changeset 21724:aba2e6293dd8

use "#if ..." consistently instead of "#ifdef" and "#ifndef" * configure.ac, Doxyfile.in, make_int.cc, Backend.cc, BaseControl.cc, ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, KeyMap.cc, ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc, ObjectFactory.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc, PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc, SliderControl.cc, TextControl.cc, TextEdit.cc, ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, __init_qt__.cc, annotation-dialog.cc, gl-select.cc, module.mk, color-picker.cc, dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc, find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc, liboctgui-build-info.in.cc, file-editor-tab.cc, file-editor.cc, find-dialog.cc, marker.cc, marker.h, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc, octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc, octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc, settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc, thread-manager.cc, welcome-wizard.cc, workspace-model.cc, workspace-view.cc, build-env.in.cc, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defaults.in.h, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stdstrm.h, oct-stream.cc, oct-strstrm.cc, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc, pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, siglist.c, siglist.h, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc, xpow.cc, zfstream.cc, zfstream.h, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, liboctinterp-build-info.in.cc, mkbuiltins, mkops, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ovl.cc, octave.cc, octave.h, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cdm-cm.cc, op-cdm-dm.cc, op-cdm-m.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-cdm.cc, op-dm-cm.cc, op-dm-dm.cc, op-dm-m.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc, op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fcdm.cc, op-fdm-fcm.cc, op-fdm-fdm.cc, op-fdm-fm.cc, op-float-conv.cc, op-fm-fcdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-int-conv.cc, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, lex.ll, oct-parse.in.yy, pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc, pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-tc.cc, version.cc, Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dim-vector.cc, dim-vector.h, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, Faddeeva.cc, blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h, liboctave-build-info.in.cc, CollocWt.cc, DASPK.cc, DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc, chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-mappers.cc, lo-specfun.cc, lu.cc, oct-convn.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-spparms.cc, qr.cc, qrp.cc, randmtzig.cc, randpoisson.cc, schur.cc, sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk, mx-defs.h, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, syswait.h, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc, kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-edit.h, oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc, acinclude.m4, display-available.c, display-available.h, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.in.cc, octave-config.in.cc, shared-fcns.h: Use "#if ..." consistently instead of "#ifdef" and "#ifndef".
author John W. Eaton <jwe@octave.org>
date Tue, 17 May 2016 12:09:30 -0400
parents bae585228161
children 78e0b187904b
files configure.ac doc/doxyhtml/Doxyfile.in examples/code/make_int.cc libgui/graphics/Backend.cc libgui/graphics/BaseControl.cc libgui/graphics/ButtonControl.cc libgui/graphics/Canvas.cc libgui/graphics/CheckBoxControl.cc libgui/graphics/Container.cc libgui/graphics/ContextMenu.cc libgui/graphics/EditControl.cc libgui/graphics/Figure.cc libgui/graphics/FigureWindow.cc libgui/graphics/GLCanvas.cc libgui/graphics/KeyMap.cc libgui/graphics/ListBoxControl.cc libgui/graphics/Logger.cc libgui/graphics/Menu.cc libgui/graphics/MouseModeActionGroup.cc libgui/graphics/Object.cc libgui/graphics/ObjectFactory.cc libgui/graphics/ObjectProxy.cc libgui/graphics/Panel.cc libgui/graphics/PopupMenuControl.cc libgui/graphics/PushButtonControl.cc libgui/graphics/PushTool.cc libgui/graphics/QtHandlesUtils.cc libgui/graphics/RadioButtonControl.cc libgui/graphics/SliderControl.cc libgui/graphics/TextControl.cc libgui/graphics/TextEdit.cc libgui/graphics/ToggleButtonControl.cc libgui/graphics/ToggleTool.cc libgui/graphics/ToolBar.cc libgui/graphics/__init_qt__.cc libgui/graphics/annotation-dialog.cc libgui/graphics/gl-select.cc libgui/module.mk libgui/src/color-picker.cc libgui/src/dialog.cc libgui/src/documentation-dock-widget.cc libgui/src/files-dock-widget.cc libgui/src/find-files-dialog.cc libgui/src/find-files-model.cc libgui/src/history-dock-widget.cc libgui/src/liboctgui-build-info.in.cc libgui/src/m-editor/file-editor-tab.cc libgui/src/m-editor/file-editor.cc libgui/src/m-editor/find-dialog.cc libgui/src/m-editor/marker.cc libgui/src/m-editor/marker.h libgui/src/m-editor/octave-qscintilla.cc libgui/src/m-editor/octave-txt-lexer.cc libgui/src/main-window.cc libgui/src/octave-cmd.cc libgui/src/octave-dock-widget.cc libgui/src/octave-gui.cc libgui/src/octave-interpreter.cc libgui/src/octave-qt-link.cc libgui/src/qtinfo/parser.cc libgui/src/qtinfo/webinfo.cc libgui/src/resource-manager.cc libgui/src/settings-dialog.cc libgui/src/shortcut-manager.cc libgui/src/terminal-dock-widget.cc libgui/src/thread-manager.cc libgui/src/welcome-wizard.cc libgui/src/workspace-model.cc libgui/src/workspace-view.cc libinterp/build-env.in.cc libinterp/corefcn/Cell.cc libinterp/corefcn/__contourc__.cc libinterp/corefcn/__dispatch__.cc libinterp/corefcn/__dsearchn__.cc libinterp/corefcn/__ichol__.cc libinterp/corefcn/__ilu__.cc libinterp/corefcn/__lin_interpn__.cc libinterp/corefcn/__luinc__.cc libinterp/corefcn/__magick_read__.cc libinterp/corefcn/__pchip_deriv__.cc libinterp/corefcn/__qp__.cc libinterp/corefcn/balance.cc libinterp/corefcn/besselj.cc libinterp/corefcn/betainc.cc libinterp/corefcn/bitfcns.cc libinterp/corefcn/bsxfun.cc libinterp/corefcn/c-file-ptr-stream.cc libinterp/corefcn/c-file-ptr-stream.h libinterp/corefcn/cdisplay.c libinterp/corefcn/cdisplay.h libinterp/corefcn/cellfun.cc libinterp/corefcn/coct-hdf5-types.c libinterp/corefcn/colloc.cc libinterp/corefcn/comment-list.cc libinterp/corefcn/conv2.cc libinterp/corefcn/daspk.cc libinterp/corefcn/dasrt.cc libinterp/corefcn/dassl.cc libinterp/corefcn/data.cc libinterp/corefcn/debug.cc libinterp/corefcn/defaults.cc libinterp/corefcn/defaults.in.h libinterp/corefcn/defun.cc libinterp/corefcn/det.cc libinterp/corefcn/dirfns.cc libinterp/corefcn/display.cc libinterp/corefcn/dlmread.cc libinterp/corefcn/dot.cc libinterp/corefcn/dynamic-ld.cc libinterp/corefcn/eig.cc libinterp/corefcn/ellipj.cc libinterp/corefcn/error.cc libinterp/corefcn/errwarn.cc libinterp/corefcn/event-queue.cc libinterp/corefcn/fft.cc libinterp/corefcn/fft2.cc libinterp/corefcn/fftn.cc libinterp/corefcn/file-io.cc libinterp/corefcn/filter.cc libinterp/corefcn/find.cc libinterp/corefcn/ft-text-renderer.cc libinterp/corefcn/gammainc.cc libinterp/corefcn/gcd.cc libinterp/corefcn/getgrent.cc libinterp/corefcn/getpwent.cc libinterp/corefcn/getrusage.cc libinterp/corefcn/givens.cc libinterp/corefcn/gl-render.cc libinterp/corefcn/gl2ps-print.cc libinterp/corefcn/graphics.cc libinterp/corefcn/gripes.cc libinterp/corefcn/hash.cc libinterp/corefcn/help.cc libinterp/corefcn/hess.cc libinterp/corefcn/hex2num.cc libinterp/corefcn/input.cc libinterp/corefcn/inv.cc libinterp/corefcn/jit-ir.cc libinterp/corefcn/jit-ir.h libinterp/corefcn/jit-typeinfo.cc libinterp/corefcn/jit-typeinfo.h libinterp/corefcn/jit-util.cc libinterp/corefcn/jit-util.h libinterp/corefcn/kron.cc libinterp/corefcn/load-path.cc libinterp/corefcn/load-save.cc libinterp/corefcn/lookup.cc libinterp/corefcn/ls-ascii-helper.cc libinterp/corefcn/ls-hdf5.cc libinterp/corefcn/ls-mat-ascii.cc libinterp/corefcn/ls-mat4.cc libinterp/corefcn/ls-mat5.cc libinterp/corefcn/ls-oct-binary.cc libinterp/corefcn/ls-oct-text.cc libinterp/corefcn/ls-oct-text.h libinterp/corefcn/ls-utils.cc libinterp/corefcn/lsode.cc libinterp/corefcn/lu.cc libinterp/corefcn/mappers.cc libinterp/corefcn/matrix_type.cc libinterp/corefcn/max.cc libinterp/corefcn/mex.cc libinterp/corefcn/mex.h libinterp/corefcn/mexproto.h libinterp/corefcn/mgorth.cc libinterp/corefcn/nproc.cc libinterp/corefcn/oct-errno.in.cc libinterp/corefcn/oct-fstrm.cc libinterp/corefcn/oct-hdf5-types.cc libinterp/corefcn/oct-hdf5-types.h libinterp/corefcn/oct-hist.cc libinterp/corefcn/oct-iostrm.cc libinterp/corefcn/oct-lvalue.cc libinterp/corefcn/oct-map.cc libinterp/corefcn/oct-prcstrm.cc libinterp/corefcn/oct-procbuf.cc libinterp/corefcn/oct-stdstrm.h libinterp/corefcn/oct-stream.cc libinterp/corefcn/oct-strstrm.cc libinterp/corefcn/oct-tex-lexer.in.ll libinterp/corefcn/oct-tex-parser.in.yy libinterp/corefcn/octave-link.cc libinterp/corefcn/ordschur.cc libinterp/corefcn/pager.cc libinterp/corefcn/pinv.cc libinterp/corefcn/pr-output.cc libinterp/corefcn/procstream.cc libinterp/corefcn/profiler.cc libinterp/corefcn/psi.cc libinterp/corefcn/pt-jit.cc libinterp/corefcn/pt-jit.h libinterp/corefcn/quad.cc libinterp/corefcn/quadcc.cc libinterp/corefcn/qz.cc libinterp/corefcn/rand.cc libinterp/corefcn/rcond.cc libinterp/corefcn/regexp.cc libinterp/corefcn/schur.cc libinterp/corefcn/sighandlers.cc libinterp/corefcn/sighandlers.h libinterp/corefcn/siglist.c libinterp/corefcn/siglist.h libinterp/corefcn/sparse-xdiv.cc libinterp/corefcn/sparse-xpow.cc libinterp/corefcn/sparse.cc libinterp/corefcn/spparms.cc libinterp/corefcn/sqrtm.cc libinterp/corefcn/str2double.cc libinterp/corefcn/strfind.cc libinterp/corefcn/strfns.cc libinterp/corefcn/sub2ind.cc libinterp/corefcn/svd.cc libinterp/corefcn/sylvester.cc libinterp/corefcn/symtab.cc libinterp/corefcn/syscalls.cc libinterp/corefcn/sysdep.cc libinterp/corefcn/text-renderer.cc libinterp/corefcn/time.cc libinterp/corefcn/toplev.cc libinterp/corefcn/tril.cc libinterp/corefcn/tsearch.cc libinterp/corefcn/txt-eng.cc libinterp/corefcn/typecast.cc libinterp/corefcn/urlwrite.cc libinterp/corefcn/utils.cc libinterp/corefcn/variables.cc libinterp/corefcn/xdiv.cc libinterp/corefcn/xgl2ps.c libinterp/corefcn/xnorm.cc libinterp/corefcn/xpow.cc libinterp/corefcn/zfstream.cc libinterp/corefcn/zfstream.h libinterp/dldfcn/__delaunayn__.cc libinterp/dldfcn/__eigs__.cc libinterp/dldfcn/__fltk_uigetfile__.cc libinterp/dldfcn/__glpk__.cc libinterp/dldfcn/__init_fltk__.cc libinterp/dldfcn/__init_gnuplot__.cc libinterp/dldfcn/__osmesa_print__.cc libinterp/dldfcn/__voronoi__.cc libinterp/dldfcn/amd.cc libinterp/dldfcn/audiodevinfo.cc libinterp/dldfcn/audioread.cc libinterp/dldfcn/ccolamd.cc libinterp/dldfcn/chol.cc libinterp/dldfcn/colamd.cc libinterp/dldfcn/convhulln.cc libinterp/dldfcn/dmperm.cc libinterp/dldfcn/fftw.cc libinterp/dldfcn/qr.cc libinterp/dldfcn/symbfact.cc libinterp/dldfcn/symrcm.cc libinterp/liboctinterp-build-info.in.cc libinterp/mkbuiltins libinterp/mkops libinterp/octave-value/ov-base.cc libinterp/octave-value/ov-bool-mat.cc libinterp/octave-value/ov-bool-sparse.cc libinterp/octave-value/ov-bool.cc libinterp/octave-value/ov-builtin.cc libinterp/octave-value/ov-cell.cc libinterp/octave-value/ov-ch-mat.cc libinterp/octave-value/ov-class.cc libinterp/octave-value/ov-classdef.cc libinterp/octave-value/ov-colon.cc libinterp/octave-value/ov-complex.cc libinterp/octave-value/ov-cs-list.cc libinterp/octave-value/ov-cx-diag.cc libinterp/octave-value/ov-cx-mat.cc libinterp/octave-value/ov-cx-sparse.cc libinterp/octave-value/ov-dld-fcn.cc libinterp/octave-value/ov-fcn-handle.cc libinterp/octave-value/ov-fcn-inline.cc libinterp/octave-value/ov-fcn.cc libinterp/octave-value/ov-float.cc libinterp/octave-value/ov-flt-complex.cc libinterp/octave-value/ov-flt-cx-diag.cc libinterp/octave-value/ov-flt-cx-mat.cc libinterp/octave-value/ov-flt-re-diag.cc libinterp/octave-value/ov-flt-re-mat.cc libinterp/octave-value/ov-int16.cc libinterp/octave-value/ov-int32.cc libinterp/octave-value/ov-int64.cc libinterp/octave-value/ov-int8.cc libinterp/octave-value/ov-java.cc libinterp/octave-value/ov-lazy-idx.cc libinterp/octave-value/ov-mex-fcn.cc libinterp/octave-value/ov-null-mat.cc libinterp/octave-value/ov-oncleanup.cc libinterp/octave-value/ov-perm.cc libinterp/octave-value/ov-range.cc libinterp/octave-value/ov-re-diag.cc libinterp/octave-value/ov-re-mat.cc libinterp/octave-value/ov-re-sparse.cc libinterp/octave-value/ov-scalar.cc libinterp/octave-value/ov-str-mat.cc libinterp/octave-value/ov-struct.cc libinterp/octave-value/ov-typeinfo.cc libinterp/octave-value/ov-uint16.cc libinterp/octave-value/ov-uint32.cc libinterp/octave-value/ov-uint64.cc libinterp/octave-value/ov-uint8.cc libinterp/octave-value/ov-usr-fcn.cc libinterp/octave-value/ov-usr-fcn.h libinterp/octave-value/ov.cc libinterp/octave-value/ovl.cc libinterp/octave.cc libinterp/octave.h libinterp/operators/op-b-b.cc libinterp/operators/op-b-bm.cc libinterp/operators/op-b-sbm.cc libinterp/operators/op-bm-b.cc libinterp/operators/op-bm-bm.cc libinterp/operators/op-bm-sbm.cc libinterp/operators/op-cdm-cdm.cc libinterp/operators/op-cdm-cm.cc libinterp/operators/op-cdm-dm.cc libinterp/operators/op-cdm-m.cc libinterp/operators/op-cell.cc libinterp/operators/op-chm.cc libinterp/operators/op-class.cc libinterp/operators/op-cm-cdm.cc libinterp/operators/op-cm-cm.cc libinterp/operators/op-cm-cs.cc libinterp/operators/op-cm-dm.cc libinterp/operators/op-cm-m.cc libinterp/operators/op-cm-s.cc libinterp/operators/op-cm-scm.cc libinterp/operators/op-cm-sm.cc libinterp/operators/op-cs-cm.cc libinterp/operators/op-cs-cs.cc libinterp/operators/op-cs-m.cc libinterp/operators/op-cs-s.cc libinterp/operators/op-cs-scm.cc libinterp/operators/op-cs-sm.cc libinterp/operators/op-dm-cdm.cc libinterp/operators/op-dm-cm.cc libinterp/operators/op-dm-dm.cc libinterp/operators/op-dm-m.cc libinterp/operators/op-dm-scm.cc libinterp/operators/op-dm-sm.cc libinterp/operators/op-dm-template.cc libinterp/operators/op-dms-template.cc libinterp/operators/op-double-conv.cc libinterp/operators/op-fcdm-fcdm.cc libinterp/operators/op-fcdm-fcm.cc libinterp/operators/op-fcdm-fdm.cc libinterp/operators/op-fcdm-fm.cc libinterp/operators/op-fcm-fcdm.cc libinterp/operators/op-fcm-fcm.cc libinterp/operators/op-fcm-fcs.cc libinterp/operators/op-fcm-fdm.cc libinterp/operators/op-fcm-fm.cc libinterp/operators/op-fcm-fs.cc libinterp/operators/op-fcn.cc libinterp/operators/op-fcs-fcm.cc libinterp/operators/op-fcs-fcs.cc libinterp/operators/op-fcs-fm.cc libinterp/operators/op-fcs-fs.cc libinterp/operators/op-fdm-fcdm.cc libinterp/operators/op-fdm-fcm.cc libinterp/operators/op-fdm-fdm.cc libinterp/operators/op-fdm-fm.cc libinterp/operators/op-float-conv.cc libinterp/operators/op-fm-fcdm.cc libinterp/operators/op-fm-fcm.cc libinterp/operators/op-fm-fcs.cc libinterp/operators/op-fm-fdm.cc libinterp/operators/op-fm-fm.cc libinterp/operators/op-fm-fs.cc libinterp/operators/op-fs-fcm.cc libinterp/operators/op-fs-fcs.cc libinterp/operators/op-fs-fm.cc libinterp/operators/op-fs-fs.cc libinterp/operators/op-i16-i16.cc libinterp/operators/op-i32-i32.cc libinterp/operators/op-i64-i64.cc libinterp/operators/op-i8-i8.cc libinterp/operators/op-int-concat.cc libinterp/operators/op-int-conv.cc libinterp/operators/op-m-cdm.cc libinterp/operators/op-m-cm.cc libinterp/operators/op-m-cs.cc libinterp/operators/op-m-dm.cc libinterp/operators/op-m-m.cc libinterp/operators/op-m-s.cc libinterp/operators/op-m-scm.cc libinterp/operators/op-m-sm.cc libinterp/operators/op-pm-pm.cc libinterp/operators/op-pm-scm.cc libinterp/operators/op-pm-sm.cc libinterp/operators/op-pm-template.cc libinterp/operators/op-range.cc libinterp/operators/op-s-cm.cc libinterp/operators/op-s-cs.cc libinterp/operators/op-s-m.cc libinterp/operators/op-s-s.cc libinterp/operators/op-s-scm.cc libinterp/operators/op-s-sm.cc libinterp/operators/op-sbm-b.cc libinterp/operators/op-sbm-bm.cc libinterp/operators/op-sbm-sbm.cc libinterp/operators/op-scm-cm.cc libinterp/operators/op-scm-cs.cc libinterp/operators/op-scm-m.cc libinterp/operators/op-scm-s.cc libinterp/operators/op-scm-scm.cc libinterp/operators/op-scm-sm.cc libinterp/operators/op-sm-cm.cc libinterp/operators/op-sm-cs.cc libinterp/operators/op-sm-m.cc libinterp/operators/op-sm-s.cc libinterp/operators/op-sm-scm.cc libinterp/operators/op-sm-sm.cc libinterp/operators/op-str-m.cc libinterp/operators/op-str-s.cc libinterp/operators/op-str-str.cc libinterp/operators/op-struct.cc libinterp/operators/op-ui16-ui16.cc libinterp/operators/op-ui32-ui32.cc libinterp/operators/op-ui64-ui64.cc libinterp/operators/op-ui8-ui8.cc libinterp/parse-tree/lex.ll libinterp/parse-tree/oct-parse.in.yy libinterp/parse-tree/pt-arg-list.cc libinterp/parse-tree/pt-array-list.cc libinterp/parse-tree/pt-assign.cc libinterp/parse-tree/pt-binop.cc libinterp/parse-tree/pt-bp.cc libinterp/parse-tree/pt-cbinop.cc libinterp/parse-tree/pt-cell.cc libinterp/parse-tree/pt-check.cc libinterp/parse-tree/pt-classdef.cc libinterp/parse-tree/pt-cmd.cc libinterp/parse-tree/pt-colon.cc libinterp/parse-tree/pt-const.cc libinterp/parse-tree/pt-decl.cc libinterp/parse-tree/pt-eval.cc libinterp/parse-tree/pt-except.cc libinterp/parse-tree/pt-exp.cc libinterp/parse-tree/pt-fcn-handle.cc libinterp/parse-tree/pt-funcall.cc libinterp/parse-tree/pt-id.cc libinterp/parse-tree/pt-idx.cc libinterp/parse-tree/pt-jump.cc libinterp/parse-tree/pt-loop.cc libinterp/parse-tree/pt-loop.h libinterp/parse-tree/pt-mat.cc libinterp/parse-tree/pt-misc.cc libinterp/parse-tree/pt-pr-code.cc libinterp/parse-tree/pt-select.cc libinterp/parse-tree/pt-stmt.cc libinterp/parse-tree/pt-unop.cc libinterp/parse-tree/pt.cc libinterp/parse-tree/token.cc libinterp/template-inst/Array-jit.cc libinterp/template-inst/Array-tc.cc libinterp/version.cc liboctave/array/Array-C.cc liboctave/array/Array-b.cc liboctave/array/Array-ch.cc liboctave/array/Array-d.cc liboctave/array/Array-f.cc liboctave/array/Array-fC.cc liboctave/array/Array-i.cc liboctave/array/Array-idx-vec.cc liboctave/array/Array-s.cc liboctave/array/Array-str.cc liboctave/array/Array-util.cc liboctave/array/Array-voidp.cc liboctave/array/Array.cc liboctave/array/CColVector.cc liboctave/array/CDiagMatrix.cc liboctave/array/CMatrix.cc liboctave/array/CNDArray.cc liboctave/array/CRowVector.cc liboctave/array/CSparse.cc liboctave/array/MArray-C.cc liboctave/array/MArray-d.cc liboctave/array/MArray-f.cc liboctave/array/MArray-fC.cc liboctave/array/MArray-i.cc liboctave/array/MArray-s.cc liboctave/array/MSparse-C.cc liboctave/array/MSparse-d.cc liboctave/array/MatrixType.cc liboctave/array/PermMatrix.cc liboctave/array/Range.cc liboctave/array/Sparse-C.cc liboctave/array/Sparse-b.cc liboctave/array/Sparse-d.cc liboctave/array/boolMatrix.cc liboctave/array/boolNDArray.cc liboctave/array/boolSparse.cc liboctave/array/chMatrix.cc liboctave/array/chNDArray.cc liboctave/array/dColVector.cc liboctave/array/dDiagMatrix.cc liboctave/array/dMatrix.cc liboctave/array/dNDArray.cc liboctave/array/dRowVector.cc liboctave/array/dSparse.cc liboctave/array/dim-vector.cc liboctave/array/dim-vector.h liboctave/array/fCColVector.cc liboctave/array/fCDiagMatrix.cc liboctave/array/fCMatrix.cc liboctave/array/fCNDArray.cc liboctave/array/fCRowVector.cc liboctave/array/fColVector.cc liboctave/array/fDiagMatrix.cc liboctave/array/fMatrix.cc liboctave/array/fNDArray.cc liboctave/array/fRowVector.cc liboctave/array/idx-vector.cc liboctave/array/int16NDArray.cc liboctave/array/int32NDArray.cc liboctave/array/int64NDArray.cc liboctave/array/int8NDArray.cc liboctave/array/uint16NDArray.cc liboctave/array/uint32NDArray.cc liboctave/array/uint64NDArray.cc liboctave/array/uint8NDArray.cc liboctave/cruft/Faddeeva/Faddeeva.cc liboctave/cruft/misc/blaswrap.c liboctave/cruft/misc/cquit.c liboctave/cruft/misc/f77-extern.cc liboctave/cruft/misc/f77-fcn.c liboctave/cruft/misc/f77-fcn.h liboctave/cruft/misc/lo-error.c liboctave/cruft/misc/lo-error.h liboctave/cruft/misc/quit.cc liboctave/cruft/misc/quit.h liboctave/liboctave-build-info.in.cc liboctave/numeric/CollocWt.cc liboctave/numeric/DASPK.cc liboctave/numeric/DASRT.cc liboctave/numeric/DASSL.cc liboctave/numeric/EIG.cc liboctave/numeric/LSODE.cc liboctave/numeric/ODES.cc liboctave/numeric/Quad.cc liboctave/numeric/aepbalance.cc liboctave/numeric/chol.cc liboctave/numeric/eigs-base.cc liboctave/numeric/fEIG.cc liboctave/numeric/gepbalance.cc liboctave/numeric/hess.cc liboctave/numeric/lo-mappers.cc liboctave/numeric/lo-specfun.cc liboctave/numeric/lu.cc liboctave/numeric/oct-convn.cc liboctave/numeric/oct-fftw.cc liboctave/numeric/oct-norm.cc liboctave/numeric/oct-rand.cc liboctave/numeric/oct-spparms.cc liboctave/numeric/qr.cc liboctave/numeric/qrp.cc liboctave/numeric/randmtzig.cc liboctave/numeric/randpoisson.cc liboctave/numeric/schur.cc liboctave/numeric/sparse-chol.cc liboctave/numeric/sparse-dmsolve.cc liboctave/numeric/sparse-lu.cc liboctave/numeric/sparse-qr.cc liboctave/numeric/svd.cc liboctave/operators/mk-ops.awk liboctave/operators/mx-defs.h liboctave/system/dir-ops.cc liboctave/system/file-ops.cc liboctave/system/file-stat.cc liboctave/system/lo-sysdep.cc liboctave/system/mach-info.cc liboctave/system/oct-env.cc liboctave/system/oct-group.cc liboctave/system/oct-passwd.cc liboctave/system/oct-syscalls.cc liboctave/system/oct-time.cc liboctave/system/oct-uname.cc liboctave/system/pathlen.h liboctave/system/syswait.h liboctave/util/cmd-edit.cc liboctave/util/cmd-hist.cc liboctave/util/data-conv.cc liboctave/util/f2c-main.c liboctave/util/glob-match.cc liboctave/util/kpse.cc liboctave/util/lo-array-errwarn.cc liboctave/util/lo-array-gripes.cc liboctave/util/lo-cutils.c liboctave/util/lo-cutils.h liboctave/util/lo-ieee.cc liboctave/util/lo-ieee.h liboctave/util/lo-regexp.cc liboctave/util/lo-utils.cc liboctave/util/oct-base64.cc liboctave/util/oct-glob.cc liboctave/util/oct-inttypes.cc liboctave/util/oct-inttypes.h liboctave/util/oct-locbuf.cc liboctave/util/oct-mutex.cc liboctave/util/oct-rl-edit.c liboctave/util/oct-rl-edit.h liboctave/util/oct-rl-hist.c liboctave/util/oct-rl-hist.h liboctave/util/oct-shlib.cc liboctave/util/oct-sort.cc liboctave/util/pathsearch.cc liboctave/util/singleton-cleanup.cc liboctave/util/sparse-sort.cc liboctave/util/sparse-util.cc liboctave/util/statdefs.h liboctave/util/str-vec.cc liboctave/util/unwind-prot.cc liboctave/util/url-transfer.cc m4/acinclude.m4 src/display-available.c src/display-available.h src/main-cli.cc src/main-gui.cc src/main.in.cc src/mkoctfile.in.cc src/octave-build-info.in.cc src/octave-config.in.cc src/shared-fcns.h
diffstat 625 files changed, 1370 insertions(+), 1365 deletions(-) [+]
line wrap: on
line diff
--- a/configure.ac	Tue May 17 11:32:53 2016 -0400
+++ b/configure.ac	Tue May 17 12:09:30 2016 -0400
@@ -391,7 +391,7 @@
   mingw*)
     AC_MSG_CHECKING([for MSVC compiler])
     AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
-        #ifndef _MSC_VER
+        #if ! defined (_MSC_VER)
         #error "Not MSVC compiler"
         #endif
         ]])],
--- a/doc/doxyhtml/Doxyfile.in	Tue May 17 11:32:53 2016 -0400
+++ b/doc/doxyhtml/Doxyfile.in	Tue May 17 12:09:30 2016 -0400
@@ -206,7 +206,8 @@
   @abs_top_srcdir@/liboctave/util \
   @abs_top_srcdir@/src
 
-# So that features that are behind #ifdef HAVE_FOO macros get processed by Doxygen
+# So that features that are behind #if defined (HAVE_FOO) macros
+# get processed by Doxygen
 
 PREDEFINED = HAVE_ARPACK=1          \
              HAVE_CCOLAMD=1         \
--- a/examples/code/make_int.cc	Tue May 17 11:32:53 2016 -0400
+++ b/examples/code/make_int.cc	Tue May 17 12:09:30 2016 -0400
@@ -119,7 +119,7 @@
   newline (os);
 }
 
-#ifdef DEFUNOP_OP
+#if defined (DEFUNOP_OP)
 #undef DEFUNOP_OP
 #endif
 
@@ -139,7 +139,7 @@
 DEFNCUNOP_METHOD (incr, integer, increment)
 DEFNCUNOP_METHOD (decr, integer, decrement)
 
-#ifdef DEFBINOP_OP
+#if defined (DEFBINOP_OP)
 #undef DEFBINOP_OP
 #endif
 
--- a/libgui/graphics/Backend.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/Backend.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/BaseControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/BaseControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/ButtonControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/ButtonControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/Canvas.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/Canvas.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/CheckBoxControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/CheckBoxControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/Container.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/Container.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/ContextMenu.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/ContextMenu.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/EditControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/EditControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/Figure.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/Figure.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/FigureWindow.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/FigureWindow.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/GLCanvas.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/GLCanvas.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/KeyMap.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/KeyMap.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/ListBoxControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/ListBoxControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/Logger.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/Logger.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/Menu.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/Menu.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/MouseModeActionGroup.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/MouseModeActionGroup.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/Object.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/Object.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/ObjectFactory.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/ObjectFactory.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/ObjectProxy.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/ObjectProxy.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/Panel.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/Panel.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/PopupMenuControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/PopupMenuControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/PushButtonControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/PushButtonControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/PushTool.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/PushTool.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/QtHandlesUtils.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/QtHandlesUtils.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -362,14 +362,14 @@
   if (mods & Qt::ShiftModifier)
     modList.push_back ("shift");
   if (mods & Qt::ControlModifier)
-#ifdef Q_OS_MAC
+#if defined (Q_OS_MAC)
     modList.push_back ("command");
 #else
     modList.push_back ("control");
 #endif
   if (mods & Qt::AltModifier)
     modList.push_back ("alt");
-#ifdef Q_OS_MAC
+#if defined (Q_OS_MAC)
   if (mods & Qt::MetaModifier)
     modList.push_back ("control");
 #endif
--- a/libgui/graphics/RadioButtonControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/RadioButtonControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/SliderControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/SliderControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/TextControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/TextControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/TextEdit.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/TextEdit.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/ToggleButtonControl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/ToggleButtonControl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/ToggleTool.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/ToggleTool.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/ToolBar.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/ToolBar.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/__init_qt__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/__init_qt__.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/annotation-dialog.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/annotation-dialog.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/graphics/gl-select.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/graphics/gl-select.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/module.mk	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/module.mk	Tue May 17 12:09:30 2016 -0400
@@ -78,7 +78,7 @@
 
 define moc-command
   rm -f $@-t $@ && \
-  ( echo "#ifdef HAVE_CONFIG_H"; \
+  ( echo "#if defined (HAVE_CONFIG_H)"; \
     echo '#include "config.h"'; \
     echo "#endif"; \
     $(MOC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(MOC_OCTAVE_CPPFLAGS) $(MOC_CPPFLAGS) $(libgui_liboctgui_la_CPPFLAGS) $< ) > $@-t && \
@@ -87,7 +87,7 @@
 
 define rcc-command
   rm -f $@-t $@ && \
-  ( echo "#ifdef HAVE_CONFIG_H"; \
+  ( echo "#if defined (HAVE_CONFIG_H)"; \
     echo '#include "config.h"'; \
     echo "#endif"; \
     echo "// Ignore unused variable warnings in generated code."; \
--- a/libgui/src/color-picker.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/color-picker.cc	Tue May 17 12:09:30 2016 -0400
@@ -24,7 +24,7 @@
 
 // Author: Torsten <ttl@justmail.de>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/dialog.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/dialog.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/documentation-dock-widget.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/documentation-dock-widget.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/files-dock-widget.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/files-dock-widget.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/find-files-dialog.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/find-files-dialog.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/find-files-model.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/find-files-model.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/history-dock-widget.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/history-dock-widget.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/liboctgui-build-info.in.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/liboctgui-build-info.in.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/m-editor/file-editor-tab.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/m-editor/file-editor-tab.cc	Tue May 17 12:09:30 2016 -0400
@@ -26,11 +26,11 @@
  This interfaces QSciScintilla with the rest of Octave.
  */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 
 #if defined (HAVE_QSCI_QSCILEXEROCTAVE_H)
 #  define HAVE_LEXER_OCTAVE 1
--- a/libgui/src/m-editor/file-editor.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/m-editor/file-editor.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,11 +20,11 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 
 #include "file-editor.h"
 #include "resource-manager.h"
@@ -1538,7 +1538,7 @@
   _tool_bar->setMovable (true);
   _tab_widget = new tab_widget (editor_widget);
   _tab_widget->setTabsClosable (true);
-#ifdef HAVE_QTABWIDGET_SETMOVABLE
+#if defined (HAVE_QTABWIDGET_SETMOVABLE)
   _tab_widget->setMovable (true);
 #endif
 
@@ -2343,14 +2343,14 @@
 void
 file_editor::move_tab_left ()
 {
-#ifdef HAVE_QTABWIDGET_SETMOVABLE
+#if defined (HAVE_QTABWIDGET_SETMOVABLE)
   switch_tab (-1, true);
 #endif
 }
 void
 file_editor::move_tab_right ()
 {
-#ifdef HAVE_QTABWIDGET_SETMOVABLE
+#if defined (HAVE_QTABWIDGET_SETMOVABLE)
   switch_tab (1, true);
 #endif
 }
@@ -2370,7 +2370,7 @@
 
   if (movetab)
     {
-#ifdef HAVE_QTABWIDGET_SETMOVABLE
+#if defined (HAVE_QTABWIDGET_SETMOVABLE)
       _tab_widget->tabBar ()->moveTab (old_pos, new_pos);
       _tab_widget->setCurrentIndex (old_pos);
       _tab_widget->setCurrentIndex (new_pos);
--- a/libgui/src/m-editor/find-dialog.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/m-editor/find-dialog.cc	Tue May 17 12:09:30 2016 -0400
@@ -59,11 +59,11 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 
 #include <QtGui>
 #include <QIcon>
@@ -108,7 +108,7 @@
   _regex_check_box = new QCheckBox (tr ("Regular E&xpressions"));
   _backward_check_box = new QCheckBox (tr ("Search &backward"));
   _search_selection_check_box = new QCheckBox (tr ("Search se&lection"));
-#ifdef HAVE_QSCI_FINDSELECTION
+#if defined (HAVE_QSCI_FINDSELECTION)
   _search_selection_check_box->setCheckable (true);
   _search_selection_check_box->setEnabled (edit_area->hasSelectedText ());
 #else
@@ -134,7 +134,7 @@
   connect (_search_line_edit,   SIGNAL (textChanged (QString)),
            this,                SLOT (handle_search_text_changed (QString)));
 
-#ifdef HAVE_QSCI_FINDSELECTION
+#if defined (HAVE_QSCI_FINDSELECTION)
   connect (_edit_area, SIGNAL (copyAvailable (bool)),
            this,       SLOT (handle_selection_changed (bool)));
   connect (_search_selection_check_box, SIGNAL (stateChanged (int)),
@@ -204,7 +204,7 @@
     _find_result_available = false;
 }
 
-#ifdef HAVE_QSCI_FINDSELECTION
+#if defined (HAVE_QSCI_FINDSELECTION)
 void
 find_dialog::handle_sel_search_changed (int selected)
 {
@@ -216,7 +216,7 @@
 find_dialog::handle_sel_search_changed (int /* selected */) { }
 #endif
 
-#ifdef HAVE_QSCI_FINDSELECTION
+#if defined (HAVE_QSCI_FINDSELECTION)
 void
 find_dialog::handle_selection_changed (bool has_selected)
 {
@@ -326,7 +326,7 @@
       if (_edit_area->hasSelectedText ()
           && _search_selection_check_box->isChecked ())
         {
-#ifdef HAVE_QSCI_FINDSELECTION
+#if defined (HAVE_QSCI_FINDSELECTION)
            if (_find_result_available)
              _find_result_available = _edit_area->findNext ();
            else
@@ -338,7 +338,7 @@
                                       _whole_words_check_box->isChecked (),
                                       do_forward,
                                       true
-#ifdef HAVE_QSCI_VERSION_2_6_0
+#if defined (HAVE_QSCI_VERSION_2_6_0)
                                       , true
 #endif
                                       );
@@ -355,7 +355,7 @@
                                     do_forward,
                                     line,col,
                                     true
-#ifdef HAVE_QSCI_VERSION_2_6_0
+#if defined (HAVE_QSCI_VERSION_2_6_0)
                                     , true
 #endif
                                     );
--- a/libgui/src/m-editor/marker.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/m-editor/marker.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,11 +20,11 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 
 #include <stdio.h>
 
--- a/libgui/src/m-editor/marker.h	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/m-editor/marker.h	Tue May 17 12:09:30 2016 -0400
@@ -19,7 +19,7 @@
 
 */
 
-#ifndef MARKER_H
+#if ! defined (MARKER_H)
 #define MARKER_H
 
 #include <Qsci/qsciscintilla.h>
--- a/libgui/src/m-editor/octave-qscintilla.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/m-editor/octave-qscintilla.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,11 +22,11 @@
 
 // Author: Torsten <ttl@justmail.de>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 
 #include <Qsci/qscilexer.h>
 #include <Qsci/qscicommandset.h>
@@ -45,7 +45,7 @@
   // clear scintilla edit shortcuts that are handled by the editor
   QsciCommandSet *cmd_set = standardCommands ();
 
-#ifdef HAVE_QSCI_VERSION_2_6_0
+#if defined (HAVE_QSCI_VERSION_2_6_0)
   // find () was added in QScintilla 2.6
   cmd_set->find (QsciCommand::SelectionCopy)->setKey (0);
   cmd_set->find (QsciCommand::SelectionCut)->setKey (0);
@@ -190,7 +190,7 @@
 void
 octave_qscintilla::contextMenuEvent (QContextMenuEvent *e)
 {
-#ifdef HAVE_QSCI_VERSION_2_6_0
+#if defined (HAVE_QSCI_VERSION_2_6_0)
   QPoint global_pos, local_pos;                         // the menu's position
   QMenu *context_menu = createStandardContextMenu ();  // standard menu
 
@@ -216,7 +216,7 @@
         global_pos = editor_rect.topLeft ();   // yes, take top left corner
     }
 
-#ifdef HAVE_QSCI_VERSION_2_6_0
+#if defined (HAVE_QSCI_VERSION_2_6_0)
   if (! in_left_margin)
 #endif
     {
@@ -244,7 +244,7 @@
             }
         }
       }
-#ifdef HAVE_QSCI_VERSION_2_6_0
+#if defined (HAVE_QSCI_VERSION_2_6_0)
     else
       {
         // remove all standard actions from scintilla
@@ -309,7 +309,7 @@
 void
 octave_qscintilla::contextmenu_break_condition (bool)
 {
-#ifdef HAVE_QSCI_VERSION_2_6_0
+#if defined (HAVE_QSCI_VERSION_2_6_0)
   QAction *action = qobject_cast<QAction *>(sender());
   QPoint local_pos = action->data ().value<QPoint> ();
 
@@ -324,7 +324,7 @@
 void
 octave_qscintilla::contextmenu_break_once (const QPoint& local_pos)
 {
-#ifdef HAVE_QSCI_VERSION_2_6_0
+#if defined (HAVE_QSCI_VERSION_2_6_0)
   emit context_menu_break_once (lineAt (local_pos));
 #endif
 }
--- a/libgui/src/m-editor/octave-txt-lexer.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/m-editor/octave-txt-lexer.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,11 +22,11 @@
 
 // Author: Torsten <ttl@justmail.de>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 
 #include <Qsci/qscilexer.h>
 
--- a/libgui/src/main-window.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/main-window.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -47,7 +47,7 @@
 
 #include <utility>
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 #  include "file-editor.h"
 #endif
 #include "main-window.h"
@@ -67,7 +67,7 @@
 static file_editor_interface *
 create_default_editor (QWidget *p)
 {
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   return new file_editor (p);
 #else
   return 0;
@@ -174,7 +174,7 @@
       if (dock)
         break; // it is a QDockWidget ==> exit loop
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
       if (qobject_cast<octave_qscintilla *> (w_new))
         {
           dock = static_cast<octave_dock_widget *> (editor_window);
@@ -798,7 +798,7 @@
             closenow = false;
         }
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
       if (closenow)
         closenow = editor_window->check_closing ();
 #endif
@@ -919,7 +919,7 @@
   _debug_step_out->setEnabled (true);
   _debug_quit->setEnabled (true);
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   editor_window->handle_enter_debug_mode ();
 #endif
 }
@@ -935,7 +935,7 @@
   _debug_step_out->setEnabled (false);
   _debug_quit->setEnabled (false);
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   editor_window->handle_exit_debug_mode ();
 #endif
 }
@@ -1145,7 +1145,7 @@
   foreach (octave_dock_widget *widget, dock_widget_list ())
     widget->connect_visibility_changed ();
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   editor_window->enable_menu_shortcuts (false);
 #endif
 }
@@ -1383,7 +1383,7 @@
       addDockWidget (Qt::RightDockWidgetArea, doc_browser_window);
       tabifyDockWidget (command_window, doc_browser_window);
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
       addDockWidget (Qt::RightDockWidgetArea, editor_window);
       tabifyDockWidget (command_window, editor_window);
 #endif
@@ -1405,7 +1405,7 @@
 
       setStatusBar (status_bar);
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
       connect (this,
                SIGNAL (insert_debugger_pointer_signal (const QString&, int)),
                editor_window,
@@ -1467,7 +1467,7 @@
 
   if (editor_window)
     {
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
       // Octave ready, determine whether to create an empty script.
       // This can not be done when the editor is created because all functions
       // must be known for the lexer's auto completion informations
@@ -1545,7 +1545,7 @@
                SIGNAL (show_preferences_signal (void)),
                this, SLOT (process_settings_dialog_request ()));
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
       connect (_octave_qt_link,
                SIGNAL (edit_file_signal (const QString&)),
                editor_window,
@@ -1615,7 +1615,7 @@
 
   construct_news_menu (menu_bar);
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   // call the editor to add actions which should also be available in the
   // editor's menu and tool bar
   QList<QAction*> shared_actions;
@@ -1692,7 +1692,7 @@
   _open_action->setShortcutContext (Qt::ApplicationShortcut);
   _open_action->setToolTip (tr ("Open an existing file in editor"));
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   file_menu->addMenu (editor_window->get_mru_menu ());
 #endif
 
@@ -1709,7 +1709,7 @@
   _exit_action = file_menu->addAction (tr ("Exit"));
   _exit_action->setShortcutContext (Qt::ApplicationShortcut);
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   connect (_open_action, SIGNAL (triggered ()),
            editor_window, SLOT (request_open_file ()));
 #endif
@@ -1741,7 +1741,7 @@
   _new_figure_action = new_menu->addAction (tr ("New Figure"));
   _new_figure_action->setEnabled (true);
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   connect (_new_script_action, SIGNAL (triggered ()),
            editor_window, SLOT (request_new_script ()));
 
@@ -1837,7 +1837,7 @@
 
   action->setEnabled (false);
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   editor_window->debug_menu ()->addAction (action);
   editor_window->toolbar ()->addAction (action);
 #endif
@@ -1867,7 +1867,7 @@
                        SLOT (debug_continue ()));
 
   _debug_menu->addSeparator ();
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   editor_window->debug_menu ()->addSeparator ();
 #endif
 
@@ -2320,7 +2320,7 @@
   list.append (static_cast<octave_dock_widget *> (history_window));
   list.append (static_cast<octave_dock_widget *> (file_browser_window));
   list.append (static_cast<octave_dock_widget *> (doc_browser_window));
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   list.append (static_cast<octave_dock_widget *> (editor_window));
 #endif
   list.append (static_cast<octave_dock_widget *> (workspace_window));
--- a/libgui/src/octave-cmd.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/octave-cmd.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Author: Torsten <ttl@justmail.de>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/octave-dock-widget.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/octave-dock-widget.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/octave-gui.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/octave-gui.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/octave-interpreter.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/octave-interpreter.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/octave-qt-link.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/octave-qt-link.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/qtinfo/parser.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/qtinfo/parser.cc	Tue May 17 12:09:30 2016 -0400
@@ -24,7 +24,7 @@
 // Author: P. L. Lucas
 // Author: Jacob Dawid <jacob.dawid@cybercatalyst.com>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/qtinfo/webinfo.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/qtinfo/webinfo.cc	Tue May 17 12:09:30 2016 -0400
@@ -24,7 +24,7 @@
 // Author: P. L. Lucas
 // Author: Jacob Dawid <jacob.dawid@cybercatalyst.com>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -58,7 +58,7 @@
   _tab_bar->setSizePolicy (QSizePolicy::Preferred,QSizePolicy::Preferred);
   _tab_bar->setExpanding (false);
   _tab_bar->setTabsClosable (true);
-#ifdef HAVE_QTABWIDGET_SETMOVABLE
+#if defined (HAVE_QTABWIDGET_SETMOVABLE)
   _tab_bar->setMovable (true);
 #endif
   hbox_layout->addWidget (_tab_bar);
@@ -78,7 +78,7 @@
   vbox_layout->addLayout (hbox_layout);
 
   _search_line_edit = new QLineEdit(this);
-#ifdef HAVE_SETPLACEHOLDERTEXT
+#if defined (HAVE_SETPLACEHOLDERTEXT)
   _search_line_edit->setPlaceholderText (
     tr ("Type here and press \'Return\' to search"));
 #endif
--- a/libgui/src/resource-manager.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/resource-manager.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/settings-dialog.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/settings-dialog.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -36,7 +36,7 @@
 #include <QHash>
 #include <QTextCodec>
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 #  include "octave-qscintilla.h"
 #  include "octave-txt-lexer.h"
 #  include <QScrollArea>
@@ -56,7 +56,7 @@
 #  include <Qsci/qscilexerdiff.h>
 #endif
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 
 static const int MaxLexerStyles = 64;
 static const int MaxStyleNumber = 128;
@@ -429,7 +429,7 @@
   ui->cb_show_hscrollbar->setChecked (
     settings->value ("editor/show_hscroll_bar",true).toBool ());
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
 #  if defined (Q_OS_WIN32)
   int eol_mode = QsciScintilla::EolWindows;
 #elif defined (Q_OS_MAC)
@@ -563,7 +563,7 @@
            this, SLOT (default_shortcut_set ()));
 
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   // editor styles: create lexer, read settings, and create dialog elements
   QsciLexer *lexer;
 #if defined (HAVE_LEXER_OCTAVE)
@@ -877,7 +877,7 @@
     }
   settings->setValue ("terminal/cursorType", cursorType);
 
-#ifdef HAVE_QSCINTILLA
+#if defined (HAVE_QSCINTILLA)
   // editor styles: create lexer, get dialog contents, and write settings
   QsciLexer *lexer;
 #if defined (HAVE_LEXER_OCTAVE)
--- a/libgui/src/shortcut-manager.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/shortcut-manager.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/terminal-dock-widget.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/terminal-dock-widget.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/thread-manager.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/thread-manager.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/welcome-wizard.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/welcome-wizard.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -30,7 +30,7 @@
 #include <QHBoxLayout>
 #include <QVBoxLayout>
 
-#ifdef __WIN32__
+#if defined (__WIN32__)
   #define WIN32_LEAN_AND_MEAN
   #include <windows.h>
 #endif
@@ -289,7 +289,7 @@
 
   show_page ();
 
-#ifdef __WIN32__
+#if defined (__WIN32__)
   // HACK to forceshow of dialog if started minimized
   ShowWindow((HWND)winId(), SW_SHOWNORMAL);
 #endif
--- a/libgui/src/workspace-model.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/workspace-model.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libgui/src/workspace-view.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libgui/src/workspace-view.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/build-env.in.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/build-env.in.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/Cell.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/Cell.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/__contourc__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__contourc__.cc	Tue May 17 12:09:30 2016 -0400
@@ -32,7 +32,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/__dispatch__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__dispatch__.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/__dsearchn__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__dsearchn__.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/__ichol__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__ichol__.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/__ilu__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__ilu__.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/__lin_interpn__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__lin_interpn__.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -56,7 +56,7 @@
       if (y > x[n-1] || y < x[0])
         return -1;
 
-#ifdef EXHAUSTIF
+#if defined (EXHAUSTIF)
       for (j = 0; j < n - 1; j++)
         {
           if (x[j] <= y && y <= x[j+1])
@@ -91,7 +91,7 @@
       if (y > x[0] || y < x[n-1])
         return -1;
 
-#ifdef EXHAUSTIF
+#if defined (EXHAUSTIF)
       for (j = 0; j < n - 1; j++)
         {
           if (x[j+1] <= y && y <= x[j])
--- a/libinterp/corefcn/__luinc__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__luinc__.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/__magick_read__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__magick_read__.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -37,7 +37,7 @@
 
 #include "errwarn.h"
 
-#ifdef HAVE_MAGICK
+#if defined (HAVE_MAGICK)
 
 #include <Magick++.h>
 #include <clocale>
@@ -754,7 +754,7 @@
 @seealso{imfinfo, imformats, imread, imwrite}\n\
 @end deftypefn")
 {
-#ifdef HAVE_MAGICK
+#if defined (HAVE_MAGICK)
 
   if (args.length () != 2 || ! args(0).is_string ())
     print_usage ();
@@ -865,7 +865,7 @@
 %!assert (1)
 */
 
-#ifdef HAVE_MAGICK
+#if defined (HAVE_MAGICK)
 
 template <typename T>
 static uint32NDArray
@@ -1397,7 +1397,7 @@
 @seealso{imfinfo, imformats, imread, imwrite}\n\
 @end deftypefn")
 {
-#ifdef HAVE_MAGICK
+#if defined (HAVE_MAGICK)
 
   if (args.length () != 5 || ! args(0).is_string () || ! args(1).is_string ())
     print_usage ();
@@ -1575,7 +1575,7 @@
 @seealso{imfinfo}\n\
 @end deftypefn")
 {
-#ifdef HAVE_MAGICK
+#if defined (HAVE_MAGICK)
 
   if (args.length () < 1 || ! args(0).is_string ())
     print_usage ();
@@ -1623,7 +1623,7 @@
 #endif
 }
 
-#ifdef HAVE_MAGICK
+#if defined (HAVE_MAGICK)
 
 static octave_value
 magick_to_octave_value (const Magick::CompressionType& magick)
@@ -1801,7 +1801,7 @@
 @seealso{imfinfo, imformats, imread, imwrite}\n\
 @end deftypefn")
 {
-#ifdef HAVE_MAGICK
+#if defined (HAVE_MAGICK)
 
   if (args.length () < 1 || ! args(0).is_string ())
     print_usage ();
@@ -2254,7 +2254,7 @@
 
   octave_map formats = args(0).map_value ();
 
-#ifdef HAVE_MAGICK
+#if defined (HAVE_MAGICK)
 
   maybe_initialize_magick ();
 
--- a/libinterp/corefcn/__pchip_deriv__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__pchip_deriv__.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/__qp__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/__qp__.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/balance.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/balance.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 
 // Author: A. S. Hodel <scotte@eng.auburn.edu>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/besselj.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/besselj.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/betainc.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/betainc.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/bitfcns.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/bitfcns.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/bsxfun.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/bsxfun.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/c-file-ptr-stream.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/c-file-ptr-stream.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -28,15 +28,15 @@
 
 #include "c-file-ptr-stream.h"
 
-#ifndef SEEK_SET
+#if ! defined (SEEK_SET)
 #  define SEEK_SET 0
 #endif
 
-#ifndef SEEK_CUR
+#if ! defined (SEEK_CUR)
 #  define SEEK_CUR 1
 #endif
 
-#ifndef SEEK_END
+#if ! defined (SEEK_END)
 #  define SEEK_END 2
 #endif
 
@@ -182,7 +182,7 @@
   return gnulib::fclose (f);
 }
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
 
 c_zfile_ptr_buf::~c_zfile_ptr_buf (void)
 {
--- a/libinterp/corefcn/c-file-ptr-stream.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/c-file-ptr-stream.h	Tue May 17 12:09:30 2016 -0400
@@ -139,9 +139,9 @@
 typedef c_file_ptr_stream<std::iostream, FILE *, c_file_ptr_buf>
   io_c_file_ptr_stream;
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
 
-#ifdef HAVE_ZLIB_H
+#if defined (HAVE_ZLIB_H)
 #  include <zlib.h>
 #endif
 
--- a/libinterp/corefcn/cdisplay.c	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/cdisplay.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/cdisplay.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/cdisplay.h	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 
 #include "octave-config.h"
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C" {
 #endif
 
@@ -33,7 +33,7 @@
 octave_get_display_info (int *ht, int *wd, int *dp, double *rx, double *ry,
                          int *dpy_avail);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/libinterp/corefcn/cellfun.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/cellfun.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/coct-hdf5-types.c	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/coct-hdf5-types.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
--- a/libinterp/corefcn/colloc.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/colloc.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/comment-list.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/comment-list.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/conv2.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/conv2.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/daspk.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/daspk.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/dasrt.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/dasrt.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/dassl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/dassl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/data.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/data.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,14 +23,14 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
 #include <sys/types.h>
 #include <sys/times.h>
 
-#ifdef HAVE_SYS_RESOURCE_H
+#if defined (HAVE_SYS_RESOURCE_H)
 #  include <sys/resource.h>
 #endif
 
--- a/libinterp/corefcn/debug.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/debug.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 <http://www.gnu.org/licenses/>.
 
 */
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -208,7 +208,7 @@
   return dbg_fcn;
 }
 
-#ifdef DBSTOP_NANINF
+#if defined (DBSTOP_NANINF)
 #  include "sigfpe.cc"
 #endif
 
@@ -378,7 +378,7 @@
                     Vdebug_on_interrupt = on_off;
                   }
                 else if (condition == "naninf")
-#ifdef DBSTOP_NANINF
+#if defined (DBSTOP_NANINF)
                   {
                     Vdebug_on_naninf = on_off;
                     enable_fpe (on_off);
--- a/libinterp/corefcn/defaults.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/defaults.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/defaults.in.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/defaults.in.h	Tue May 17 12:09:30 2016 -0400
@@ -30,163 +30,163 @@
 
 #include "pathsearch.h"
 
-#ifndef OCTAVE_CANONICAL_HOST_TYPE
+#if ! defined (OCTAVE_CANONICAL_HOST_TYPE)
 #  define OCTAVE_CANONICAL_HOST_TYPE %OCTAVE_CANONICAL_HOST_TYPE%
 #endif
 
-#ifndef OCTAVE_DEFAULT_PAGER
+#if ! defined (OCTAVE_DEFAULT_PAGER)
 #  define OCTAVE_DEFAULT_PAGER %OCTAVE_DEFAULT_PAGER%
 #endif
 
-#ifndef OCTAVE_ARCHLIBDIR
+#if ! defined (OCTAVE_ARCHLIBDIR)
 #  define OCTAVE_ARCHLIBDIR %OCTAVE_ARCHLIBDIR%
 #endif
 
-#ifndef OCTAVE_BINDIR
+#if ! defined (OCTAVE_BINDIR)
 #  define OCTAVE_BINDIR %OCTAVE_BINDIR%
 #endif
 
-#ifndef OCTAVE_DATADIR
+#if ! defined (OCTAVE_DATADIR)
 #  define OCTAVE_DATADIR %OCTAVE_DATADIR%
 #endif
 
-#ifndef OCTAVE_DATAROOTDIR
+#if ! defined (OCTAVE_DATAROOTDIR)
 #  define OCTAVE_DATAROOTDIR %OCTAVE_DATAROOTDIR%
 #endif
 
-#ifndef OCTAVE_DOC_CACHE_FILE
+#if ! defined (OCTAVE_DOC_CACHE_FILE)
 #  define OCTAVE_DOC_CACHE_FILE %OCTAVE_DOC_CACHE_FILE%
 #endif
 
-#ifndef OCTAVE_TEXI_MACROS_FILE
+#if ! defined (OCTAVE_TEXI_MACROS_FILE)
 #  define OCTAVE_TEXI_MACROS_FILE %OCTAVE_TEXI_MACROS_FILE%
 #endif
 
-#ifndef OCTAVE_EXEC_PREFIX
+#if ! defined (OCTAVE_EXEC_PREFIX)
 #  define OCTAVE_EXEC_PREFIX %OCTAVE_EXEC_PREFIX%
 #endif
 
-#ifndef OCTAVE_FCNFILEDIR
+#if ! defined (OCTAVE_FCNFILEDIR)
 #  define OCTAVE_FCNFILEDIR %OCTAVE_FCNFILEDIR%
 #endif
 
-#ifndef OCTAVE_IMAGEDIR
+#if ! defined (OCTAVE_IMAGEDIR)
 #  define OCTAVE_IMAGEDIR %OCTAVE_IMAGEDIR%
 #endif
 
-#ifndef OCTAVE_INCLUDEDIR
+#if ! defined (OCTAVE_INCLUDEDIR)
 #  define OCTAVE_INCLUDEDIR %OCTAVE_INCLUDEDIR%
 #endif
 
-#ifndef OCTAVE_INFODIR
+#if ! defined (OCTAVE_INFODIR)
 #  define OCTAVE_INFODIR %OCTAVE_INFODIR%
 #endif
 
-#ifndef OCTAVE_INFOFILE
+#if ! defined (OCTAVE_INFOFILE)
 #  define OCTAVE_INFOFILE %OCTAVE_INFOFILE%
 #endif
 
-#ifndef OCTAVE_LIBDIR
+#if ! defined (OCTAVE_LIBDIR)
 #  define OCTAVE_LIBDIR %OCTAVE_LIBDIR%
 #endif
 
-#ifndef OCTAVE_LIBEXECDIR
+#if ! defined (OCTAVE_LIBEXECDIR)
 #  define OCTAVE_LIBEXECDIR %OCTAVE_LIBEXECDIR%
 #endif
 
-#ifndef OCTAVE_LIBEXECDIR
+#if ! defined (OCTAVE_LIBEXECDIR)
 #  define OCTAVE_LIBEXECDIR %OCTAVE_LIBEXECDIR%
 #endif
 
-#ifndef OCTAVE_LOCALAPIFCNFILEDIR
+#if ! defined (OCTAVE_LOCALAPIFCNFILEDIR)
 #  define OCTAVE_LOCALAPIFCNFILEDIR %OCTAVE_LOCALAPIFCNFILEDIR%
 #endif
 
-#ifndef OCTAVE_LOCALAPIOCTFILEDIR
+#if ! defined (OCTAVE_LOCALAPIOCTFILEDIR)
 #  define OCTAVE_LOCALAPIOCTFILEDIR %OCTAVE_LOCALAPIOCTFILEDIR%
 #endif
 
-#ifndef OCTAVE_LOCALARCHLIBDIR
+#if ! defined (OCTAVE_LOCALARCHLIBDIR)
 #  define OCTAVE_LOCALARCHLIBDIR %OCTAVE_LOCALARCHLIBDIR%
 #endif
 
-#ifndef OCTAVE_LOCALFCNFILEDIR
+#if ! defined (OCTAVE_LOCALFCNFILEDIR)
 #  define OCTAVE_LOCALFCNFILEDIR %OCTAVE_LOCALFCNFILEDIR%
 #endif
 
-#ifndef OCTAVE_LOCALOCTFILEDIR
+#if ! defined (OCTAVE_LOCALOCTFILEDIR)
 #  define OCTAVE_LOCALOCTFILEDIR %OCTAVE_LOCALOCTFILEDIR%
 #endif
 
-#ifndef OCTAVE_LOCALSTARTUPFILEDIR
+#if ! defined (OCTAVE_LOCALSTARTUPFILEDIR)
 #  define OCTAVE_LOCALSTARTUPFILEDIR %OCTAVE_LOCALSTARTUPFILEDIR%
 #endif
 
-#ifndef OCTAVE_LOCALAPIARCHLIBDIR
+#if ! defined (OCTAVE_LOCALAPIARCHLIBDIR)
 #  define OCTAVE_LOCALAPIARCHLIBDIR %OCTAVE_LOCALAPIARCHLIBDIR%
 #endif
 
-#ifndef OCTAVE_LOCALVERARCHLIBDIR
+#if ! defined (OCTAVE_LOCALVERARCHLIBDIR)
 #  define OCTAVE_LOCALVERARCHLIBDIR %OCTAVE_LOCALVERARCHLIBDIR%
 #endif
 
-#ifndef OCTAVE_LOCALVERFCNFILEDIR
+#if ! defined (OCTAVE_LOCALVERFCNFILEDIR)
 #  define OCTAVE_LOCALVERFCNFILEDIR %OCTAVE_LOCALVERFCNFILEDIR%
 #endif
 
-#ifndef OCTAVE_LOCALVEROCTFILEDIR
+#if ! defined (OCTAVE_LOCALVEROCTFILEDIR)
 #  define OCTAVE_LOCALVEROCTFILEDIR %OCTAVE_LOCALVEROCTFILEDIR%
 #endif
 
-#ifndef OCTAVE_MAN1DIR
+#if ! defined (OCTAVE_MAN1DIR)
 #  define OCTAVE_MAN1DIR %OCTAVE_MAN1DIR%
 #endif
 
-#ifndef OCTAVE_MAN1EXT
+#if ! defined (OCTAVE_MAN1EXT)
 #  define OCTAVE_MAN1EXT %OCTAVE_MAN1EXT%
 #endif
 
-#ifndef OCTAVE_MANDIR
+#if ! defined (OCTAVE_MANDIR)
 #  define OCTAVE_MANDIR %OCTAVE_MANDIR%
 #endif
 
-#ifndef OCTAVE_OCTDATADIR
+#if ! defined (OCTAVE_OCTDATADIR)
 #  define OCTAVE_OCTDATADIR %OCTAVE_OCTDATADIR%
 #endif
 
-#ifndef OCTAVE_OCTFILEDIR
+#if ! defined (OCTAVE_OCTFILEDIR)
 #  define OCTAVE_OCTFILEDIR %OCTAVE_OCTFILEDIR%
 #endif
 
-#ifndef OCTAVE_OCTETCDIR
+#if ! defined (OCTAVE_OCTETCDIR)
 #  define OCTAVE_OCTETCDIR %OCTAVE_OCTETCDIR%
 #endif
 
-#ifndef OCTAVE_OCTLOCALEDIR
+#if ! defined (OCTAVE_OCTLOCALEDIR)
 #  define OCTAVE_OCTLOCALEDIR %OCTAVE_OCTLOCALEDIR%
 #endif
 
-#ifndef OCTAVE_OCTINCLUDEDIR
+#if ! defined (OCTAVE_OCTINCLUDEDIR)
 #  define OCTAVE_OCTINCLUDEDIR %OCTAVE_OCTINCLUDEDIR%
 #endif
 
-#ifndef OCTAVE_OCTLIBDIR
+#if ! defined (OCTAVE_OCTLIBDIR)
 #  define OCTAVE_OCTLIBDIR %OCTAVE_OCTLIBDIR%
 #endif
 
-#ifndef OCTAVE_OCTTESTSDIR
+#if ! defined (OCTAVE_OCTTESTSDIR)
 #  define OCTAVE_OCTTESTSDIR %OCTAVE_OCTTESTSDIR%
 #endif
 
-#ifndef OCTAVE_PREFIX
+#if ! defined (OCTAVE_PREFIX)
 #  define OCTAVE_PREFIX %OCTAVE_PREFIX%
 #endif
 
-#ifndef OCTAVE_STARTUPFILEDIR
+#if ! defined (OCTAVE_STARTUPFILEDIR)
 #  define OCTAVE_STARTUPFILEDIR %OCTAVE_STARTUPFILEDIR%
 #endif
 
-#ifndef OCTAVE_RELEASE
+#if ! defined (OCTAVE_RELEASE)
 #  define OCTAVE_RELEASE %OCTAVE_RELEASE%
 #endif
 
--- a/libinterp/corefcn/defun.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/defun.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/det.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/det.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/dirfns.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/dirfns.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/display.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/display.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/dlmread.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/dlmread.cc	Tue May 17 12:09:30 2016 -0400
@@ -24,7 +24,7 @@
 // Adapted from previous version of dlmread.occ as authored by Kai
 // Habel, but core code has been completely re-written.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/dot.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/dot.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/dynamic-ld.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/dynamic-ld.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/eig.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/eig.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/ellipj.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ellipj.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/error.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/error.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/errwarn.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/errwarn.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/event-queue.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/event-queue.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/fft.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/fft.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/fft2.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/fft2.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/fftn.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/fftn.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/file-io.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/file-io.cc	Tue May 17 12:09:30 2016 -0400
@@ -34,7 +34,7 @@
 // Extensively revised by John W. Eaton <jwe@octave.org>,
 // April 1996.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -51,7 +51,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#ifdef HAVE_ZLIB_H
+#if defined (HAVE_ZLIB_H)
 #  include <zlib.h>
 #endif
 
--- a/libinterp/corefcn/filter.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/filter.cc	Tue May 17 12:09:30 2016 -0400
@@ -28,7 +28,7 @@
 // Rewritten to use templates to handle both real and complex cases by
 // jwe, Wed Nov  1 19:15:29 1995.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/find.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/find.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/ft-text-renderer.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ft-text-renderer.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/gammainc.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/gammainc.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/gcd.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/gcd.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/getgrent.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/getgrent.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/getpwent.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/getpwent.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/getrusage.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/getrusage.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -28,7 +28,7 @@
 #include <sys/times.h>
 #include <sys/types.h>
 
-#ifdef HAVE_SYS_RESOURCE_H
+#if defined (HAVE_SYS_RESOURCE_H)
 #  include <sys/resource.h>
 #endif
 
@@ -53,7 +53,7 @@
 #  endif
 #endif
 
-#ifndef RUSAGE_SELF
+#if ! defined (RUSAGE_SELF)
 #  define RUSAGE_SELF 0
 #endif
 
--- a/libinterp/corefcn/givens.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/givens.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Originally written by A. S. Hodel <scotte@eng.auburn.edu>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/gl-render.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/gl-render.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,13 +20,13 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
 #include <iostream>
 
-#ifdef HAVE_WINDOWS_H
+#if defined (HAVE_WINDOWS_H)
 #  define WIN32_LEAN_AND_MEAN
 #  include <windows.h>
 #endif
@@ -72,7 +72,7 @@
 // Win32 API requires the CALLBACK attributes for
 // GLU callback functions. Define it to empty on
 // other platforms.
-#ifndef CALLBACK
+#if ! defined (CALLBACK)
 #  define CALLBACK
 #endif
 
--- a/libinterp/corefcn/gl2ps-print.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/gl2ps-print.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -28,7 +28,7 @@
 #include "errwarn.h"
 #include "gl2ps-print.h"
 
-#ifdef HAVE_GL2PS_H
+#if defined (HAVE_GL2PS_H)
 
 #include <cstdio>
 #include <limits>
--- a/libinterp/corefcn/graphics.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/graphics.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/gripes.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/gripes.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // FIXME: All gripe_XXX functions deprecated in 4.2.  Remove file in 4.6
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/hash.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/hash.cc	Tue May 17 12:09:30 2016 -0400
@@ -34,7 +34,7 @@
 for now.
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/help.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/help.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/hess.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/hess.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/hex2num.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/hex2num.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/input.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/input.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Get command input interactively or from files.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/inv.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/inv.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/jit-ir.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/jit-ir.cc	Tue May 17 12:09:30 2016 -0400
@@ -26,15 +26,15 @@
 #define __STDC_LIMIT_MACROS
 #define __STDC_CONSTANT_MACROS
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 
 #include "jit-ir.h"
 
-#ifdef HAVE_LLVM_IR_FUNCTION_H
+#if defined (HAVE_LLVM_IR_FUNCTION_H)
 #  include <llvm/IR/BasicBlock.h>
 #  include <llvm/IR/Instructions.h>
 #else
--- a/libinterp/corefcn/jit-ir.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/jit-ir.h	Tue May 17 12:09:30 2016 -0400
@@ -27,7 +27,7 @@
 
 #include "octave-config.h"
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 
 #include <list>
 #include <stack>
--- a/libinterp/corefcn/jit-typeinfo.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/jit-typeinfo.cc	Tue May 17 12:09:30 2016 -0400
@@ -26,15 +26,15 @@
 #define __STDC_LIMIT_MACROS
 #define __STDC_CONSTANT_MACROS
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 
 #include "jit-typeinfo.h"
 
-#ifdef HAVE_LLVM_IR_VERIFIER_H
+#if defined (HAVE_LLVM_IR_VERIFIER_H)
 #  include <llvm/IR/Verifier.h>
 #else
 #  include <llvm/Analysis/Verifier.h>
@@ -42,7 +42,7 @@
 
 #include <llvm/ExecutionEngine/ExecutionEngine.h>
 
-#ifdef HAVE_LLVM_IR_FUNCTION_H
+#if defined (HAVE_LLVM_IR_FUNCTION_H)
 #  include <llvm/IR/GlobalVariable.h>
 #  include <llvm/IR/LLVMContext.h>
 #  include <llvm/IR/Function.h>
@@ -56,7 +56,7 @@
 #  include <llvm/Intrinsics.h>
 #endif
 
-#ifdef HAVE_LLVM_SUPPORT_IRBUILDER_H
+#if defined (HAVE_LLVM_SUPPORT_IRBUILDER_H)
 #  include <llvm/Support/IRBuilder.h>
 #  elif defined(HAVE_LLVM_IR_IRBUILDER_H)
 #  include <llvm/IR/IRBuilder.h>
@@ -568,7 +568,7 @@
 
   if (sret ())
     {
-#ifdef FUNCTION_ADDATTRIBUTE_ARG_IS_ATTRIBUTES
+#if defined (FUNCTION_ADDATTRIBUTE_ARG_IS_ATTRIBUTES)
       llvm::AttrBuilder attr_builder;
       attr_builder.addAttribute (llvm::Attributes::StructRet);
       llvm::Attributes attrs = llvm::Attributes::get(context, attr_builder);
@@ -579,7 +579,7 @@
     }
 
   if (call_conv == jit_convention::internal)
-#ifdef FUNCTION_ADDFNATTR_ARG_IS_ATTRIBUTES
+#if defined (FUNCTION_ADDFNATTR_ARG_IS_ATTRIBUTES)
     llvm_function->addFnAttr (llvm::Attributes::AlwaysInline);
 #else
     llvm_function->addFnAttr (llvm::Attribute::AlwaysInline);
@@ -686,7 +686,7 @@
 
   if (sret ())
     {
-#ifdef CALLINST_ADDATTRIBUTE_ARG_IS_ATTRIBUTES
+#if defined (CALLINST_ADDATTRIBUTE_ARG_IS_ATTRIBUTES)
       llvm::AttrBuilder attr_builder;
       attr_builder.addAttribute(llvm::Attributes::StructRet);
       llvm::Attributes attrs = llvm::Attributes::get(context, attr_builder);
--- a/libinterp/corefcn/jit-typeinfo.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/jit-typeinfo.h	Tue May 17 12:09:30 2016 -0400
@@ -27,7 +27,7 @@
 
 #include "octave-config.h"
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 
 #include <map>
 #include <vector>
--- a/libinterp/corefcn/jit-util.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/jit-util.cc	Tue May 17 12:09:30 2016 -0400
@@ -26,13 +26,13 @@
 #define __STDC_LIMIT_MACROS
 #define __STDC_CONSTANT_MACROS
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 
-#ifdef HAVE_LLVM_IR_FUNCTION_H
+#if defined (HAVE_LLVM_IR_FUNCTION_H)
 #  include <llvm/IR/Value.h>
 #else
 #  include <llvm/Value.h>
--- a/libinterp/corefcn/jit-util.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/jit-util.h	Tue May 17 12:09:30 2016 -0400
@@ -29,7 +29,7 @@
 
 #include "octave-config.h"
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 
 #include <stdexcept>
 
@@ -44,7 +44,7 @@
 {
   class Value;
   class Module;
-#ifdef LEGACY_PASSMANAGER
+#if defined (LEGACY_PASSMANAGER)
   namespace legacy {
     class FunctionPassManager;
     class PassManager;
--- a/libinterp/corefcn/kron.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/kron.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Author: Paul Kienzle <pkienzle@users.sf.net>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/load-path.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/load-path.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/load-save.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/load-save.cc	Tue May 17 12:09:30 2016 -0400
@@ -24,7 +24,7 @@
 // HDF5 support by Steven G. Johnson <stevenj@alum.mit.edu>
 // Matlab v5 support by James R. Van Zandt <jrv@vanzandt.mv.com>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -81,14 +81,14 @@
 #include "ls-oct-binary.h"
 
 // Remove gnulib definitions, if any.
-#ifdef close
+#if defined (close)
 #  undef close
 #endif
-#ifdef open
+#if defined (open)
 #  undef open
 #endif
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
 #  include "zfstream.h"
 #endif
 
@@ -210,7 +210,7 @@
   return 0;
 }
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
 static bool
 check_gzip_magic (const std::string& fname)
 {
@@ -300,13 +300,13 @@
 {
   load_save_format retval = LS_UNKNOWN;
 
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
   // check this before we open the file
   if (H5Fis_hdf5 (fname.c_str ()) > 0)
     return LS_HDF5;
 #endif
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
   use_zlib = check_gzip_magic (fname);
 #else
   use_zlib = false;
@@ -323,7 +323,7 @@
       else if (! quiet)
         err_file_open ("load", orig_fname);
     }
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
   else
     {
       gzifstream gzfile (fname.c_str ());
@@ -382,7 +382,7 @@
           name = read_mat_binary_data (stream, orig_fname, tc);
           break;
 
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
         case LS_HDF5:
           name = read_hdf5_data (stream, orig_fname, global, tc, doc,
                                  argv, argv_idx, argc);
@@ -692,7 +692,7 @@
         }
       else if (argv[i] == "-hdf5" || argv[i] == "-h")
         {
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
           format = LS_HDF5;
 #else
           err_disabled_feature ("load", "HDF5");
@@ -728,7 +728,7 @@
     {
       i++;
 
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
       if (format == LS_HDF5)
         error ("load: cannot read HDF5 format from stdin");
       else
@@ -758,7 +758,7 @@
       if (format == LS_UNKNOWN)
         format = get_file_format (fname, orig_fname, use_zlib);
 
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
       if (format == LS_HDF5)
         {
           i++;
@@ -786,7 +786,7 @@
           // line-endings explicitly.
           std::ios::openmode mode = std::ios::in | std::ios::binary;
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
           if (use_zlib)
             {
               gzifstream file (fname.c_str (), mode);
@@ -928,7 +928,7 @@
       save_mat_binary_data (os, tc, name);
       break;
 
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
     case LS_HDF5:
       save_hdf5_data (os, tc, name, help, global, save_as_floats);
       break;
@@ -1061,7 +1061,7 @@
         }
       else if (argv[i] == "-hdf5" || argv[i] == "-h")
         {
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
           format = LS_HDF5;
 #else
           err_disabled_feature ("save", "HDF5");
@@ -1073,7 +1073,7 @@
         {
           format = LS_MAT5_BINARY;
         }
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
       else if (argv[i] == "-mat7-binary" || argv[i] == "-7"
                || argv[i] == "-v7" || argv[i] == "-V7")
         {
@@ -1092,14 +1092,14 @@
         }
       else if (argv[i] == "-float-hdf5")
         {
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
           format = LS_HDF5;
           save_as_floats = true;
 #else
           err_disabled_feature ("save", "HDF5");
 #endif
         }
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
       else if (argv[i] == "-zip" || argv[i] == "-z")
         {
           use_zlib = true;
@@ -1207,7 +1207,7 @@
 
       break;
 
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
     case LS_HDF5:
 #endif
     case LS_TEXT:
@@ -1218,7 +1218,7 @@
 
         if (! comment_string.empty ())
           {
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
             if (format == LS_HDF5)
               {
                 hdf5_ofstream& hs = dynamic_cast<hdf5_ofstream&> (os);
@@ -1239,7 +1239,7 @@
 void
 octave_prepare_hdf5 (void)
 {
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
   H5dont_atexit ();
 #endif
 }
@@ -1247,7 +1247,7 @@
 void
 octave_finalize_hdf5 (void)
 {
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
   H5close ();
 #endif
 }
@@ -1380,7 +1380,7 @@
         use_zlib = false;
 
       if (format == LS_BINARY
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
           || format == LS_HDF5
 #endif
           || format == LS_MAT_BINARY
@@ -1390,7 +1390,7 @@
 
       mode |= append ? std::ios::ate : std::ios::trunc;
 
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
       if (format == LS_HDF5)
         {
           hdf5_ofstream file (fname, mode);
@@ -1410,7 +1410,7 @@
         // don't insert any commands here!  The open brace below must
         // go with the else above!
         {
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
           if (use_zlib)
             {
               gzofstream file (fname, mode);
@@ -1606,7 +1606,7 @@
     {
       i++;
 
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
       if (format == LS_HDF5)
         error ("save: cannot write HDF5 format to stdout");
       else
@@ -1646,7 +1646,7 @@
         = append ? (std::ios::app | std::ios::ate) : std::ios::out;
 
       if (format == LS_BINARY
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
           || format == LS_HDF5
 #endif
           || format == LS_MAT_BINARY
@@ -1654,7 +1654,7 @@
           || format == LS_MAT7_BINARY)
         mode |= std::ios::binary;
 
-#ifdef HAVE_HDF5
+#if defined (HAVE_HDF5)
       if (format == LS_HDF5)
         {
           // FIXME: It should be possible to append to HDF5 files.
@@ -1679,7 +1679,7 @@
         // don't insert any statements here!  The brace below must go
         // with the "else" above!
         {
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
           if (use_zlib)
             {
               gzofstream file (fname.c_str (), mode);
--- a/libinterp/corefcn/lookup.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/lookup.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Author: Jaroslav Hajek <highegg@gmail.com>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/ls-ascii-helper.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ls-ascii-helper.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/ls-hdf5.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ls-hdf5.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Author: Steven G. Johnson <stevenj@alum.mit.edu>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -492,7 +492,7 @@
         {
           // What integer type do we really have..
           std::string int_typ;
-#ifdef HAVE_H5T_GET_NATIVE_TYPE
+#if defined (HAVE_H5T_GET_NATIVE_TYPE)
           // FIXME: test this code and activated with an autoconf
           // test!! It is also incorrect for 64-bit indexing!!
 
--- a/libinterp/corefcn/ls-mat-ascii.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ls-mat-ascii.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/ls-mat4.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ls-mat4.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/ls-mat5.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ls-mat5.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Author: James R. Van Zandt <jrv@vanzandt.mv.com>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -77,7 +77,7 @@
 #include "parse.h"
 #include "defaults.h"
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
 #  include <zlib.h>
 #endif
 
@@ -510,7 +510,7 @@
 
   if (type == miCOMPRESSED)
     {
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
       // If C++ allowed us direct access to the file descriptor of an
       // ifstream in a uniform way, the code below could be vastly
       // simplified, and additional copies of the data in memory
@@ -2286,7 +2286,7 @@
       return true;  // skip to next
     }
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
 
   if (mat7_format && ! compressing)
     {
--- a/libinterp/corefcn/ls-oct-binary.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ls-oct-binary.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/ls-oct-text.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ls-oct-text.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Author: John W. Eaton.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/ls-oct-text.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ls-oct-text.h	Tue May 17 12:09:30 2016 -0400
@@ -39,7 +39,7 @@
 
 // Used when converting Inf to something that gnuplot can read.
 
-#ifndef OCT_RBV
+#if ! defined (OCT_RBV)
 #  define OCT_RBV (std::numeric_limits<double>::max () / 100.0)
 #endif
 
--- a/libinterp/corefcn/ls-utils.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ls-utils.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/lsode.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/lsode.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/lu.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/lu.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/mappers.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/mappers.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/matrix_type.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/matrix_type.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/max.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/max.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/mex.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/mex.cc	Tue May 17 12:09:30 2016 -0400
@@ -2131,7 +2131,7 @@
 
             if (p != foreign_memlist.end ())
               foreign_memlist.erase (p);
-#ifdef DEBUG
+#if defined (DEBUG)
             else
               warning ("mxFree: skipping memory not allocated by mxMalloc, mxCalloc, or mxRealloc");
 #endif
@@ -2142,7 +2142,7 @@
   // Mark a pointer to be freed on exit.
   void mark (void *ptr)
   {
-#ifdef DEBUG
+#if defined (DEBUG)
     if (memlist.find (ptr) != memlist.end ())
       warning ("%s: double registration ignored", function_name ());
 #endif
@@ -2158,7 +2158,7 @@
 
     if (p != memlist.end ())
       memlist.erase (p);
-#ifdef DEBUG
+#if defined (DEBUG)
     else
       warning ("%s: value not marked", function_name ());
 #endif
@@ -2181,7 +2181,7 @@
   // Mark a pointer as one we allocated.
   void mark_foreign (void *ptr)
   {
-#ifdef DEBUG
+#if defined (DEBUG)
     if (foreign_memlist.find (ptr) != foreign_memlist.end ())
       warning ("%s: double registration ignored", function_name ());
 #endif
@@ -2196,7 +2196,7 @@
 
     if (p != foreign_memlist.end ())
       foreign_memlist.erase (p);
-#ifdef DEBUG
+#if defined (DEBUG)
     else
       warning ("%s: value not marked", function_name ());
 #endif
@@ -2223,7 +2223,7 @@
         arraylist.erase (p);
         delete ptr;
       }
-#ifdef DEBUG
+#if defined (DEBUG)
     else
       warning ("mex::free_value: skipping memory not allocated by mex::make_value");
 #endif
@@ -2263,7 +2263,7 @@
   // Mark a pointer as one we allocated.
   void global_mark (void *ptr)
   {
-#ifdef DEBUG
+#if defined (DEBUG)
     if (global_memlist.find (ptr) != global_memlist.end ())
       warning ("%s: double registration ignored", function_name ());
 #endif
@@ -2278,7 +2278,7 @@
 
     if (p != global_memlist.end ())
       global_memlist.erase (p);
-#ifdef DEBUG
+#if defined (DEBUG)
     else
       warning ("%s: value not marked", function_name ());
 #endif
--- a/libinterp/corefcn/mex.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/mex.h	Tue May 17 12:09:30 2016 -0400
@@ -108,67 +108,67 @@
 
 /* Apparently these are also defined.  */
 
-#ifndef UINT64_T
+#if ! defined (UINT64_T)
 #  define UINT64_T uint64_t
 #endif
 
-#ifndef uint64_T
+#if ! defined (uint64_T)
 #  define uint64_T uint64_t
 #endif
 
-#ifndef INT64_T
+#if ! defined (INT64_T)
 #  define INT64_T int64_t
 #endif
 
-#ifndef int64_T
+#if ! defined (int64_T)
 #  define int64_T int64_t
 #endif
 
-#ifndef UINT32_T
+#if ! defined (UINT32_T)
 #  define UINT32_T uint32_t
 #endif
 
-#ifndef uint32_T
+#if ! defined (uint32_T)
 #  define uint32_T uint32_t
 #endif
 
-#ifndef INT32_T
+#if ! defined (INT32_T)
 #  define INT32_T int32_t
 #endif
 
-#ifndef int32_T
+#if ! defined (int32_T)
 #  define int32_T int32_t
 #endif
 
-#ifndef UINT16_T
+#if ! defined (UINT16_T)
 #  define UINT16_T uint16_t
 #endif
 
-#ifndef uint16_T
+#if ! defined (uint16_T)
 #  define uint16_T uint16_t
 #endif
 
-#ifndef INT16_T
+#if ! defined (INT16_T)
 #  define INT16_T int16_t
 #endif
 
-#ifndef int16_T
+#if ! defined (int16_T)
 #  define int16_T int16_t
 #endif
 
-#ifndef UINT8_T
+#if ! defined (UINT8_T)
 #  define UINT8_T uint8_t
 #endif
 
-#ifndef uint8_T
+#if ! defined (uint8_T)
 #  define uint8_T uint8_t
 #endif
 
-#ifndef INT8_T
+#if ! defined (INT8_T)
 #  define INT8_T int8_t
 #endif
 
-#ifndef int8_T
+#if ! defined (int8_T)
 #  define int8_T int8_t
 #endif
 
--- a/libinterp/corefcn/mexproto.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/mexproto.h	Tue May 17 12:09:30 2016 -0400
@@ -275,7 +275,7 @@
 extern OCTINTERP_API char *mxArrayToString (const mxArray *ptr);
 
 /* Miscellaneous.  */
-#ifdef NDEBUG
+#if defined (NDEBUG)
 #  define mxAssert(expr, msg) \
     do \
       { \
--- a/libinterp/corefcn/mgorth.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/mgorth.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/nproc.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/nproc.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-errno.in.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-errno.in.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-fstrm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-fstrm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-hdf5-types.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-hdf5-types.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-hdf5-types.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-hdf5-types.h	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 
 #include "octave-config.h"
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 // This function only needs to be defined for C++.
 extern bool check_hdf5_types (bool warn = true);
 #endif
@@ -35,7 +35,7 @@
 typedef int octave_hdf5_id;
 typedef int octave_hdf5_err;
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C" {
 #endif
 
@@ -46,7 +46,7 @@
 extern const octave_hdf5_id octave_H5P_DEFAULT;
 extern const octave_hdf5_id octave_H5S_ALL;
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/libinterp/corefcn/oct-hist.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-hist.cc	Tue May 17 12:09:30 2016 -0400
@@ -31,7 +31,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-iostrm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-iostrm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-lvalue.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-lvalue.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-map.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-map.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-prcstrm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-prcstrm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-procbuf.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-procbuf.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -42,7 +42,7 @@
 #include "errwarn.h"
 #include "utils.h"
 
-#ifndef SHELL_PATH
+#if ! defined (SHELL_PATH)
 #  define SHELL_PATH "/bin/sh"
 #endif
 
@@ -51,7 +51,7 @@
 
 static octave_procbuf *octave_procbuf_list = 0;
 
-#ifndef BUFSIZ
+#if ! defined (BUFSIZ)
 #  define BUFSIZ 1024
 #endif
 
--- a/libinterp/corefcn/oct-stdstrm.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-stdstrm.h	Tue May 17 12:09:30 2016 -0400
@@ -135,7 +135,7 @@
   octave_stdiostream& operator = (const octave_stdiostream&);
 };
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
 
 class
 octave_zstdiostream
--- a/libinterp/corefcn/oct-stream.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-stream.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-strstrm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-strstrm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/oct-tex-lexer.in.ll	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-tex-lexer.in.ll	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 */
 
 %top {
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
@@ -39,7 +39,7 @@
 // Define away the deprecated register storage class specifier to avoid
 // potential warnings about it.
 #if ! defined (register)
-#define register
+#  define register
 #endif
 
 }
@@ -76,20 +76,20 @@
 // of YYSTYPE in the generated oct-parse.h file.
 
 #if defined (OCTAVE_TEX_STYPE_IS_DECLARED) && ! defined YYSTYPE
-#define YYSTYPE OCTAVE_TEX_STYPE
+#  define YYSTYPE OCTAVE_TEX_STYPE
 #endif
 
 #if defined (GNULIB_NAMESPACE)
 // Calls to the following functions appear in the generated output
 // from flex without the namespace tag.  Redefine them so we will use
 // them via the gnulib namespace.
-#define fprintf GNULIB_NAMESPACE::fprintf
-#define fread GNULIB_NAMESPACE::fread
-#define fwrite GNULIB_NAMESPACE::fwrite
-#define getc GNULIB_NAMESPACE::getc
-#define isatty GNULIB_NAMESPACE::isatty
-#define malloc GNULIB_NAMESPACE::malloc
-#define realloc GNULIB_NAMESPACE::realloc
+#  define fprintf GNULIB_NAMESPACE::fprintf
+#  define fread GNULIB_NAMESPACE::fread
+#  define fwrite GNULIB_NAMESPACE::fwrite
+#  define getc GNULIB_NAMESPACE::getc
+#  define isatty GNULIB_NAMESPACE::isatty
+#  define malloc GNULIB_NAMESPACE::malloc
+#  define realloc GNULIB_NAMESPACE::realloc
 #endif
 
 %}
--- a/libinterp/corefcn/oct-tex-parser.in.yy	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/oct-tex-parser.in.yy	Tue May 17 12:09:30 2016 -0400
@@ -24,7 +24,7 @@
 
 #define YYDEBUG 1
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
@@ -38,9 +38,9 @@
 // Calls to the following functions appear in the generated output
 // from Bison without the namespace tag.  Redefine them so we will use
 // them via the gnulib namespace.
-#define fclose GNULIB_NAMESPACE::fclose
-#define fprintf GNULIB_NAMESPACE::fprintf
-#define malloc GNULIB_NAMESPACE::malloc
+#  define fclose GNULIB_NAMESPACE::fclose
+#  define fprintf GNULIB_NAMESPACE::fprintf
+#  define malloc GNULIB_NAMESPACE::malloc
 #endif
 
 #define scanner parser.get_scanner ()
--- a/libinterp/corefcn/octave-link.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/octave-link.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/ordschur.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/ordschur.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/pager.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/pager.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -62,7 +62,7 @@
 {
   std::string pager_binary = octave_env::getenv ("PAGER");
 
-#ifdef OCTAVE_DEFAULT_PAGER
+#if defined (OCTAVE_DEFAULT_PAGER)
   if (pager_binary.empty ())
     pager_binary = OCTAVE_DEFAULT_PAGER;
 #endif
--- a/libinterp/corefcn/pinv.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/pinv.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/pr-output.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/pr-output.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/procstream.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/procstream.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/profiler.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/profiler.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/psi.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/psi.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/pt-jit.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/pt-jit.cc	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 #define __STDC_LIMIT_MACROS
 #define __STDC_CONSTANT_MACROS
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -39,7 +39,7 @@
 #include "symtab.h"
 #include "variables.h"
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 
 static bool Vdebug_jit = false;
 
@@ -52,7 +52,7 @@
 #include <llvm/Analysis/CallGraph.h>
 #include <llvm/Analysis/Passes.h>
 
-#ifdef HAVE_LLVM_IR_VERIFIER_H
+#if defined (HAVE_LLVM_IR_VERIFIER_H)
 #  include <llvm/IR/Verifier.h>
 #else
 #  include <llvm/Analysis/Verifier.h>
@@ -62,13 +62,13 @@
 #include <llvm/ExecutionEngine/ExecutionEngine.h>
 #include <llvm/ExecutionEngine/JIT.h>
 
-#ifdef LEGACY_PASSMANAGER
+#if defined (LEGACY_PASSMANAGER)
 #  include <llvm/IR/LegacyPassManager.h>
 #else
 #  include <llvm/PassManager.h>
 #endif
 
-#ifdef HAVE_LLVM_IR_FUNCTION_H
+#if defined (HAVE_LLVM_IR_FUNCTION_H)
 #  include <llvm/IR/LLVMContext.h>
 #  include <llvm/IR/Module.h>
 #else
@@ -76,7 +76,7 @@
 #  include <llvm/Module.h>
 #endif
 
-#ifdef HAVE_LLVM_SUPPORT_IRBUILDER_H
+#if defined (HAVE_LLVM_SUPPORT_IRBUILDER_H)
 #  include <llvm/Support/IRBuilder.h>
 #elif defined(HAVE_LLVM_IR_IRBUILDER_H)
 #  include <llvm/IR/IRBuilder.h>
@@ -87,7 +87,7 @@
 #include <llvm/Support/raw_os_ostream.h>
 #include <llvm/Support/TargetSelect.h>
 
-#ifdef HAVE_LLVM_IR_DATALAYOUT_H
+#if defined (HAVE_LLVM_IR_DATALAYOUT_H)
 #  include <llvm/IR/DataLayout.h>
 #elif defined(HAVE_LLVM_DATALAYOUT_H)
 #  include <llvm/DataLayout.h>
@@ -2068,7 +2068,7 @@
   if (! engine)
     return false;
 
-#ifdef LEGACY_PASSMANAGER
+#if defined (LEGACY_PASSMANAGER)
   module_pass_manager = new llvm::legacy::PassManager ();
   pass_manager = new llvm::legacy::FunctionPassManager (module);
 #else
@@ -2077,7 +2077,7 @@
 #endif
   module_pass_manager->add (llvm::createAlwaysInlinerPass ());
 
-#ifdef HAVE_LLVM_DATALAYOUT
+#if defined (HAVE_LLVM_DATALAYOUT)
   pass_manager->add (new llvm::DataLayout (*engine->getDataLayout ()));
 #else
   pass_manager->add (new llvm::TargetData (*engine->getTargetData ()));
@@ -2191,7 +2191,7 @@
   if (Vdebug_jit)
     {
       std::string error;
-#ifdef RAW_FD_OSTREAM_ARG_IS_LLVM_SYS_FS
+#if defined (RAW_FD_OSTREAM_ARG_IS_LLVM_SYS_FS)
       llvm::raw_fd_ostream fout ("test.bc", error,
                                  llvm::sys::fs::F_Binary);
 #else
--- a/libinterp/corefcn/pt-jit.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/pt-jit.h	Tue May 17 12:09:30 2016 -0400
@@ -27,7 +27,7 @@
 
 #include "octave-config.h"
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 
 #include "jit-ir.h"
 #include "pt-walk.h"
@@ -388,7 +388,7 @@
   size_t trip_count (const octave_value& bounds) const;
 
   llvm::Module *module;
-#ifdef LEGACY_PASSMANAGER
+#if defined (LEGACY_PASSMANAGER)
   llvm::legacy::PassManager *module_pass_manager;
   llvm::legacy::FunctionPassManager *pass_manager;
 #else
--- a/libinterp/corefcn/quad.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/quad.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/quadcc.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/quadcc.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/qz.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/qz.cc	Tue May 17 12:09:30 2016 -0400
@@ -28,7 +28,7 @@
 #undef DEBUG_SORT
 #undef DEBUG_EIG
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -259,7 +259,7 @@
   else
     retval = (fabs (p) < 1 ? 1 : -1);
 
-#ifdef DEBUG
+#if defined (DEBUG)
   std::cout << "qz: fin: retval=" << retval << std::endl;
 #endif
 
@@ -374,7 +374,7 @@
 {
   int nargin = args.length ();
 
-#ifdef DEBUG
+#if defined (DEBUG)
   std::cout << "qz: nargin = " << nargin
             << ", nargout = " << nargout << std::endl;
 #endif
@@ -385,7 +385,7 @@
   if (nargin == 3 && (nargout < 3 || nargout > 4))
     error ("qz: invalid number of output arguments for form [3] call");
 
-#ifdef DEBUG
+#if defined (DEBUG)
   std::cout << "qz: determine ordering option" << std::endl;
 #endif
 
@@ -413,7 +413,7 @@
                                    safmin
                                    F77_CHAR_ARG_LEN (1));
 
-#ifdef DEBUG_EIG
+#if defined (DEBUG_EIG)
       std::cout << "qz: initial value of safmin="
                 << setiosflags (std::ios::scientific)
                 << safmin << std::endl;
@@ -423,7 +423,7 @@
       // for these, use eps instead to avoid problems in dlag2.
       if (safmin == 0)
         {
-#ifdef DEBUG_EIG
+#if defined (DEBUG_EIG)
           std::cout << "qz: DANGER WILL ROBINSON: safmin is 0!" << std::endl;
 #endif
 
@@ -431,7 +431,7 @@
                                        safmin
                                        F77_CHAR_ARG_LEN (1));
 
-#ifdef DEBUG_EIG
+#if defined (DEBUG_EIG)
           std::cout << "qz: safmin set to "
                     << setiosflags (std::ios::scientific)
                     << safmin << std::endl;
@@ -439,14 +439,14 @@
         }
     }
 
-#ifdef DEBUG
+#if defined (DEBUG)
   std::cout << "qz: check argument 1" << std::endl;
 #endif
 
   // Argument 1: check if it's o.k. dimensioned.
   octave_idx_type nn = args(0).rows ();
 
-#ifdef DEBUG
+#if defined (DEBUG)
   std::cout << "argument 1 dimensions: ("
             << nn << "," << args(0).columns () << ")"
             << std::endl;
@@ -478,7 +478,7 @@
   else
     aa = args(0).matrix_value ();
 
-#ifdef DEBUG
+#if defined (DEBUG)
   std::cout << "qz: check argument 2" << std::endl;
 #endif
 
@@ -528,7 +528,7 @@
 
   if (complex_case)
     {
-#ifdef DEBUG
+#if defined (DEBUG)
       if (compq == 'V')
         std::cout << "qz: performing balancing; CQ=" << std::endl
                   << CQ << std::endl;
@@ -554,7 +554,7 @@
     }
   else
     {
-#ifdef DEBUG
+#if defined (DEBUG)
       if (compq == 'V')
         std::cout << "qz: performing balancing; QQ=" << std::endl
                   << QQ << std::endl;
@@ -582,7 +582,7 @@
                  F77_CHAR_ARG_LEN (1)
                  F77_CHAR_ARG_LEN (1)));
 
-#ifdef DEBUG
+#if defined (DEBUG)
       if (compq == 'V')
         std::cout << "qz: balancing done; QQ=" << std::endl << QQ << std::endl;
 #endif
@@ -599,7 +599,7 @@
                  F77_CHAR_ARG_LEN (1)
                  F77_CHAR_ARG_LEN (1)));
 
-#ifdef DEBUG
+#if defined (DEBUG)
       if (compz == 'V')
         std::cout << "qz: balancing done; ZZ=" << std::endl << ZZ << std::endl;
 #endif
@@ -674,27 +674,27 @@
     }
   else
     {
-#ifdef DEBUG
+#if defined (DEBUG)
       std::cout << "qz: peforming qr decomposition of bb" << std::endl;
 #endif
 
       // Compute the QR factorization of bb.
       qr<Matrix> bqr (bb);
 
-#ifdef DEBUG
+#if defined (DEBUG)
       std::cout << "qz: qr (bb) done; now peforming qz decomposition"
                 << std::endl;
 #endif
 
       bb = bqr.R ();
 
-#ifdef DEBUG
+#if defined (DEBUG)
       std::cout << "qz: extracted bb" << std::endl;
 #endif
 
       aa = (bqr.Q ()).transpose () * aa;
 
-#ifdef DEBUG
+#if defined (DEBUG)
       std::cout << "qz: updated aa " << std::endl;
       std::cout << "bqr.Q () = " << std::endl << bqr.Q () << std::endl;
 
@@ -705,11 +705,11 @@
       if (compq == 'V')
         QQ = QQ * bqr.Q ();
 
-#ifdef DEBUG
+#if defined (DEBUG)
       std::cout << "qz: precursors done..." << std::endl;
 #endif
 
-#ifdef DEBUG
+#if defined (DEBUG)
       std::cout << "qz: compq = " << compq << ", compz = " << compz
                 << std::endl;
 #endif
@@ -750,7 +750,7 @@
                      F77_CHAR_ARG_LEN (1)
                      F77_CHAR_ARG_LEN (1)));
 
-#ifdef DEBUG
+#if defined (DEBUG)
           if (compq == 'V')
             std::cout << "qz: balancing done; QQ=" << std::endl
                       << QQ << std::endl;
@@ -768,7 +768,7 @@
                      F77_CHAR_ARG_LEN (1)
                      F77_CHAR_ARG_LEN (1)));
 
-#ifdef DEBUG
+#if defined (DEBUG)
           if (compz == 'V')
             std::cout << "qz: balancing done; ZZ=" << std::endl
                       << ZZ << std::endl;
@@ -784,7 +784,7 @@
         // Probably not needed, but better be safe.
         error ("qz: cannot re-order complex qz decomposition");
 
-#ifdef DEBUG_SORT
+#if defined (DEBUG_SORT)
       std::cout << "qz: ordering eigenvalues: ord_job = "
                 << ord_job << std::endl;
 #endif
@@ -830,7 +830,7 @@
 
       double eps = std::numeric_limits<double>::epsilon () * inf_norm * nn;
 
-#ifdef DEBUG_SORT
+#if defined (DEBUG_SORT)
       std::cout << "qz: calling dsubsp: aa=" << std::endl;
       octave_print_internal (std::cout, aa, 0);
       std::cout << std::endl << "bb="  << std::endl;
@@ -857,7 +857,7 @@
                  ZZ.fortran_vec (), sort_test, eps, ndim, fail,
                  ind.fortran_vec ()));
 
-#ifdef DEBUG
+#if defined (DEBUG)
       std::cout << "qz: back from dsubsp: aa=" << std::endl;
       octave_print_internal (std::cout, aa, 0);
       std::cout << std::endl << "bb="  << std::endl;
@@ -876,7 +876,7 @@
       jj = 0;
       while (jj < nn)
         {
-#ifdef DEBUG_EIG
+#if defined (DEBUG_EIG)
           std::cout << "computing gen eig #" << jj << std::endl;
 #endif
 
@@ -892,7 +892,7 @@
           if (zcnt == 1)
             {
               // Real zero.
-#ifdef DEBUG_EIG
+#if defined (DEBUG_EIG)
               std::cout << "  single gen eig:" << std::endl;
               std::cout << "  alphar(" << jj << ") = " << aa(jj,jj)
                         << std::endl;
@@ -908,7 +908,7 @@
           else
             {
               // Complex conjugate pair.
-#ifdef DEBUG_EIG
+#if defined (DEBUG_EIG)
               std::cout << "qz: calling dlag2:" << std::endl;
               std::cout << "safmin="
                         << setiosflags (std::ios::scientific)
@@ -936,7 +936,7 @@
                         (aa_ptr, nn, bb_ptr, nn, safmin,
                          scale1, scale2, wr1, wr2, wi));
 
-#ifdef DEBUG_EIG
+#if defined (DEBUG_EIG)
               std::cout << "dlag2 returns: scale1=" << scale1
                         << "\tscale2=" << scale2 << std::endl
                         << "\twr1=" << wr1 << "\twr2=" << wr2
@@ -965,7 +965,7 @@
           jj += zcnt;
         }
 
-#ifdef DEBUG_SORT
+#if defined (DEBUG_SORT)
       std::cout << "qz: back from dsubsp: aa=" << std::endl;
       octave_print_internal (std::cout, aa, 0);
       std::cout << std::endl << "bb="  << std::endl;
@@ -1010,7 +1010,7 @@
         }
       else
         {
-#ifdef DEBUG
+#if defined (DEBUG)
           std::cout << "qz: computing generalized eigenvalues" << std::endl;
 #endif
 
@@ -1061,7 +1061,7 @@
         }
       else
         {
-#ifdef DEBUG
+#if defined (DEBUG)
           std::cout << "qz: computing generalized eigenvectors" << std::endl;
 #endif
 
@@ -1146,7 +1146,7 @@
     case 4:
       if (nargin == 3)
         {
-#ifdef DEBUG
+#if defined (DEBUG)
           std::cout << "qz: sort: retval(3) = gev = " << std::endl;
           octave_print_internal (std::cout, gev);
           std::cout << std::endl;
@@ -1181,7 +1181,7 @@
       {
         if (complex_case)
           {
-#ifdef DEBUG
+#if defined (DEBUG)
             std::cout << "qz: retval(1) = cbb = " << std::endl;
             octave_print_internal (std::cout, cbb, 0);
             std::cout << std::endl << "qz: retval(0) = caa = " <<std::endl;
@@ -1193,7 +1193,7 @@
           }
         else
           {
-#ifdef DEBUG
+#if defined (DEBUG)
             std::cout << "qz: retval(1) = bb = " << std::endl;
             octave_print_internal (std::cout, bb, 0);
             std::cout << std::endl << "qz: retval(0) = aa = " <<std::endl;
@@ -1208,7 +1208,7 @@
 
     case 1:
     case 0:
-#ifdef DEBUG
+#if defined (DEBUG)
       std::cout << "qz: retval(0) = gev = " << gev << std::endl;
 #endif
       retval(0) = gev;
@@ -1219,7 +1219,7 @@
       break;
   }
 
-#ifdef DEBUG
+#if defined (DEBUG)
   std::cout << "qz: exiting (at long last)" << std::endl;
 #endif
 
--- a/libinterp/corefcn/rand.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/rand.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -1078,7 +1078,7 @@
 @seealso{perms}\n\
 @end deftypefn")
 {
-#ifdef USE_UNORDERED_MAP_WITH_TR1
+#if defined (USE_UNORDERED_MAP_WITH_TR1)
 using std::tr1::unordered_map;
 #else
 using std::unordered_map;
--- a/libinterp/corefcn/rcond.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/rcond.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/regexp.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/regexp.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/schur.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/schur.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/sighandlers.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/sighandlers.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -126,7 +126,7 @@
 
   static void octave_jump_to_enclosing_context_sync (void)
   {
-#ifdef _MSC_VER
+#if defined (_MSC_VER)
     _fpreset ();
 #endif
     ::octave_jump_to_enclosing_context ();
@@ -226,7 +226,7 @@
 #endif
 
 // Signal handler return type.
-#ifndef BADSIG
+#if ! defined (BADSIG)
 #  define BADSIG (void (*)(int))-1
 #endif
 
@@ -276,7 +276,7 @@
 
           switch (i)
             {
-#ifdef SIGCHLD
+#if defined (SIGCHLD)
             case SIGCHLD:
               {
                 volatile octave_interrupt_handler saved_interrupt_handler
@@ -301,7 +301,7 @@
               std::cerr << "warning: floating point exception" << std::endl;
               break;
 
-#ifdef SIGPIPE
+#if defined (SIGPIPE)
             case SIGPIPE:
               std::cerr << "warning: broken pipe" << std::endl;
               break;
@@ -395,7 +395,7 @@
 
 // Handle SIGCHLD.
 
-#ifdef SIGCHLD
+#if defined (SIGCHLD)
 static void
 sigchld_handler (int /* sig */)
 {
@@ -539,7 +539,7 @@
 #endif
 }
 
-#ifdef SIGPIPE
+#if defined (SIGPIPE)
 static void
 sigpipe_handler (int /* sig */)
 {
@@ -563,11 +563,11 @@
   w32_interrupt_manager::init ();
 #endif
 
-#ifdef SIGINT
+#if defined (SIGINT)
   retval.int_handler = octave_set_signal_handler (SIGINT, sigint_handler);
 #endif
 
-#ifdef SIGBREAK
+#if defined (SIGBREAK)
   retval.brk_handler = octave_set_signal_handler (SIGBREAK, sigint_handler);
 #endif
 
@@ -583,11 +583,11 @@
   w32_interrupt_manager::init ();
 #endif
 
-#ifdef SIGINT
+#if defined (SIGINT)
   retval.int_handler = octave_set_signal_handler (SIGINT, SIG_IGN);
 #endif
 
-#ifdef SIGBREAK
+#if defined (SIGBREAK)
   retval.brk_handler = octave_set_signal_handler (SIGBREAK, SIG_IGN);
 #endif
 
@@ -604,12 +604,12 @@
   w32_interrupt_manager::init ();
 #endif
 
-#ifdef SIGINT
+#if defined (SIGINT)
   retval.int_handler = octave_set_signal_handler (SIGINT, h.int_handler,
                                                   restart_syscalls);
 #endif
 
-#ifdef SIGBREAK
+#if defined (SIGBREAK)
   retval.brk_handler = octave_set_signal_handler (SIGBREAK, h.brk_handler,
                                                   restart_syscalls);
 #endif
@@ -627,30 +627,30 @@
 
   octave_catch_interrupts ();
 
-#ifdef SIGABRT
+#if defined (SIGABRT)
   octave_set_signal_handler (SIGABRT, generic_sig_handler);
 #endif
 
-#ifdef SIGALRM
+#if defined (SIGALRM)
   octave_set_signal_handler (SIGALRM, generic_sig_handler);
 #endif
 
-#ifdef SIGBUS
+#if defined (SIGBUS)
   octave_set_signal_handler (SIGBUS, generic_sig_handler);
 #endif
 
-#ifdef SIGCHLD
+#if defined (SIGCHLD)
   octave_set_signal_handler (SIGCHLD, sigchld_handler);
 #endif
 
   // SIGCLD
   // SIGCONT
 
-#ifdef SIGEMT
+#if defined (SIGEMT)
   octave_set_signal_handler (SIGEMT, generic_sig_handler);
 #endif
 
-#ifdef SIGFPE
+#if defined (SIGFPE)
 #  if defined (__alpha__)
   octave_set_signal_handler (SIGFPE, sigfpe_handler);
 #  else
@@ -658,55 +658,55 @@
 #  endif
 #endif
 
-#ifdef SIGHUP
+#if defined (SIGHUP)
   octave_set_signal_handler (SIGHUP, sig_hup_or_term_handler);
 #endif
 
-#ifdef SIGILL
+#if defined (SIGILL)
   octave_set_signal_handler (SIGILL, generic_sig_handler);
 #endif
 
   // SIGINFO
   // SIGINT
 
-#ifdef SIGIOT
+#if defined (SIGIOT)
   octave_set_signal_handler (SIGIOT, generic_sig_handler);
 #endif
 
-#ifdef SIGLOST
+#if defined (SIGLOST)
   octave_set_signal_handler (SIGLOST, generic_sig_handler);
 #endif
 
-#ifdef SIGPIPE
+#if defined (SIGPIPE)
   octave_set_signal_handler (SIGPIPE, sigpipe_handler);
 #endif
 
-#ifdef SIGPOLL
+#if defined (SIGPOLL)
   octave_set_signal_handler (SIGPOLL, SIG_IGN);
 #endif
 
   // SIGPROF
   // SIGPWR
 
-#ifdef SIGQUIT
+#if defined (SIGQUIT)
   octave_set_signal_handler (SIGQUIT, generic_sig_handler);
 #endif
 
-#ifdef SIGSEGV
+#if defined (SIGSEGV)
   octave_set_signal_handler (SIGSEGV, generic_sig_handler);
 #endif
 
   // SIGSTOP
 
-#ifdef SIGSYS
+#if defined (SIGSYS)
   octave_set_signal_handler (SIGSYS, generic_sig_handler);
 #endif
 
-#ifdef SIGTERM
+#if defined (SIGTERM)
   octave_set_signal_handler (SIGTERM, sig_hup_or_term_handler);
 #endif
 
-#ifdef SIGTRAP
+#if defined (SIGTRAP)
   octave_set_signal_handler (SIGTRAP, generic_sig_handler);
 #endif
 
@@ -715,33 +715,33 @@
   // SIGTTOU
   // SIGURG
 
-#ifdef SIGUSR1
+#if defined (SIGUSR1)
   octave_set_signal_handler (SIGUSR1, generic_sig_handler);
 #endif
 
-#ifdef SIGUSR2
+#if defined (SIGUSR2)
   octave_set_signal_handler (SIGUSR2, generic_sig_handler);
 #endif
 
-#ifdef SIGVTALRM
+#if defined (SIGVTALRM)
   octave_set_signal_handler (SIGVTALRM, generic_sig_handler);
 #endif
 
-#ifdef SIGIO
+#if defined (SIGIO)
   octave_set_signal_handler (SIGIO, SIG_IGN);
 #endif
 
 #if 0
-#  ifdef SIGWINCH
+#  if defined (SIGWINCH)
   octave_set_signal_handler (SIGWINCH, sigwinch_handler);
 #endif
 #endif
 
-#ifdef SIGXCPU
+#if defined (SIGXCPU)
   octave_set_signal_handler (SIGXCPU, generic_sig_handler);
 #endif
 
-#ifdef SIGXFSZ
+#if defined (SIGXFSZ)
   octave_set_signal_handler (SIGXFSZ, generic_sig_handler);
 #endif
 
@@ -752,155 +752,155 @@
 {
   octave_scalar_map m;
 
-#ifdef SIGABRT
+#if defined (SIGABRT)
   m.assign ("ABRT", SIGABRT);
 #endif
 
-#ifdef SIGALRM
+#if defined (SIGALRM)
   m.assign ("ALRM", SIGALRM);
 #endif
 
-#ifdef SIGBUS
+#if defined (SIGBUS)
   m.assign ("BUS", SIGBUS);
 #endif
 
-#ifdef SIGCHLD
+#if defined (SIGCHLD)
   m.assign ("CHLD", SIGCHLD);
 #endif
 
-#ifdef SIGCLD
+#if defined (SIGCLD)
   m.assign ("CLD", SIGCLD);
 #endif
 
-#ifdef SIGCONT
+#if defined (SIGCONT)
   m.assign ("CONT", SIGCONT);
 #endif
 
-#ifdef SIGEMT
+#if defined (SIGEMT)
   m.assign ("EMT", SIGEMT);
 #endif
 
-#ifdef SIGFPE
+#if defined (SIGFPE)
   m.assign ("FPE", SIGFPE);
 #endif
 
-#ifdef SIGHUP
+#if defined (SIGHUP)
   m.assign ("HUP", SIGHUP);
 #endif
 
-#ifdef SIGILL
+#if defined (SIGILL)
   m.assign ("ILL", SIGILL);
 #endif
 
-#ifdef SIGINFO
+#if defined (SIGINFO)
   m.assign ("INFO", SIGINFO);
 #endif
 
-#ifdef SIGINT
+#if defined (SIGINT)
   m.assign ("INT", SIGINT);
 #endif
 
-#ifdef SIGIO
+#if defined (SIGIO)
   m.assign ("IO", SIGIO);
 #endif
 
-#ifdef SIGIOT
+#if defined (SIGIOT)
   m.assign ("IOT", SIGIOT);
 #endif
 
-#ifdef SIGKILL
+#if defined (SIGKILL)
   m.assign ("KILL", SIGKILL);
 #endif
 
-#ifdef SIGLOST
+#if defined (SIGLOST)
   m.assign ("LOST", SIGLOST);
 #endif
 
-#ifdef SIGPIPE
+#if defined (SIGPIPE)
   m.assign ("PIPE", SIGPIPE);
 #endif
 
-#ifdef SIGPOLL
+#if defined (SIGPOLL)
   m.assign ("POLL", SIGPOLL);
 #endif
 
-#ifdef SIGPROF
+#if defined (SIGPROF)
   m.assign ("PROF", SIGPROF);
 #endif
 
-#ifdef SIGPWR
+#if defined (SIGPWR)
   m.assign ("PWR", SIGPWR);
 #endif
 
-#ifdef SIGQUIT
+#if defined (SIGQUIT)
   m.assign ("QUIT", SIGQUIT);
 #endif
 
-#ifdef SIGSEGV
+#if defined (SIGSEGV)
   m.assign ("SEGV", SIGSEGV);
 #endif
 
-#ifdef SIGSTKFLT
+#if defined (SIGSTKFLT)
   m.assign ("STKFLT", SIGSTKFLT);
 #endif
 
-#ifdef SIGSTOP
+#if defined (SIGSTOP)
   m.assign ("STOP", SIGSTOP);
 #endif
 
-#ifdef SIGSYS
+#if defined (SIGSYS)
   m.assign ("SYS", SIGSYS);
 #endif
 
-#ifdef SIGTERM
+#if defined (SIGTERM)
   m.assign ("TERM", SIGTERM);
 #endif
 
-#ifdef SIGTRAP
+#if defined (SIGTRAP)
   m.assign ("TRAP", SIGTRAP);
 #endif
 
-#ifdef SIGTSTP
+#if defined (SIGTSTP)
   m.assign ("TSTP", SIGTSTP);
 #endif
 
-#ifdef SIGTTIN
+#if defined (SIGTTIN)
   m.assign ("TTIN", SIGTTIN);
 #endif
 
-#ifdef SIGTTOU
+#if defined (SIGTTOU)
   m.assign ("TTOU", SIGTTOU);
 #endif
 
-#ifdef SIGUNUSED
+#if defined (SIGUNUSED)
   m.assign ("UNUSED", SIGUNUSED);
 #endif
 
-#ifdef SIGURG
+#if defined (SIGURG)
   m.assign ("URG", SIGURG);
 #endif
 
-#ifdef SIGUSR1
+#if defined (SIGUSR1)
   m.assign ("USR1", SIGUSR1);
 #endif
 
-#ifdef SIGUSR2
+#if defined (SIGUSR2)
   m.assign ("USR2", SIGUSR2);
 #endif
 
-#ifdef SIGVTALRM
+#if defined (SIGVTALRM)
   m.assign ("VTALRM", SIGVTALRM);
 #endif
 
-#ifdef SIGWINCH
+#if defined (SIGWINCH)
   m.assign ("WINCH", SIGWINCH);
 #endif
 
-#ifdef SIGXCPU
+#if defined (SIGXCPU)
   m.assign ("XCPU", SIGXCPU);
 #endif
 
-#ifdef SIGXFSZ
+#if defined (SIGXFSZ)
   m.assign ("XFSZ", SIGXFSZ);
 #endif
 
--- a/libinterp/corefcn/sighandlers.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/sighandlers.h	Tue May 17 12:09:30 2016 -0400
@@ -50,11 +50,11 @@
 struct
 octave_interrupt_handler
 {
-#ifdef SIGINT
+#if defined (SIGINT)
   sig_handler *int_handler;
 #endif
 
-#ifdef SIGBREAK
+#if defined (SIGBREAK)
   sig_handler *brk_handler;
 #endif
 };
--- a/libinterp/corefcn/siglist.c	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/siglist.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
@@ -34,7 +34,7 @@
 
 static char *my_sys_siglist[NSIG];
 
-#ifdef sys_siglist
+#if defined (sys_siglist)
 #undef sys_siglist
 #endif
 #define sys_siglist my_sys_siglist
@@ -52,166 +52,166 @@
     {
       initialized = 1;
 
-# ifdef SIGABRT
+# if defined (SIGABRT)
       sys_siglist[SIGABRT] = "Aborted";
 # endif
-# ifdef SIGAIO
+# if defined (SIGAIO)
       sys_siglist[SIGAIO] = "LAN I/O interrupt";
 # endif
-# ifdef SIGALRM
+# if defined (SIGALRM)
       sys_siglist[SIGALRM] = "Alarm clock";
 # endif
-# ifdef SIGBUS
+# if defined (SIGBUS)
       sys_siglist[SIGBUS] = "Bus error";
 # endif
-# ifdef SIGCLD
+# if defined (SIGCLD)
       sys_siglist[SIGCLD] = "Child status changed";
 # endif
-# ifdef SIGCHLD
+# if defined (SIGCHLD)
       sys_siglist[SIGCHLD] = "Child status changed";
 # endif
-# ifdef SIGCONT
+# if defined (SIGCONT)
       sys_siglist[SIGCONT] = "Continued";
 # endif
-# ifdef SIGDANGER
+# if defined (SIGDANGER)
       sys_siglist[SIGDANGER] = "Swap space dangerously low";
 # endif
-# ifdef SIGDGNOTIFY
+# if defined (SIGDGNOTIFY)
       sys_siglist[SIGDGNOTIFY] = "Notification message in queue";
 # endif
-# ifdef SIGEMT
+# if defined (SIGEMT)
       sys_siglist[SIGEMT] = "Emulation trap";
 # endif
-# ifdef SIGFPE
+# if defined (SIGFPE)
       sys_siglist[SIGFPE] = "Arithmetic exception";
 # endif
-# ifdef SIGFREEZE
+# if defined (SIGFREEZE)
       sys_siglist[SIGFREEZE] = "SIGFREEZE";
 # endif
-# ifdef SIGGRANT
+# if defined (SIGGRANT)
       sys_siglist[SIGGRANT] = "Monitor mode granted";
 # endif
-# ifdef SIGHUP
+# if defined (SIGHUP)
       sys_siglist[SIGHUP] = "Hangup";
 # endif
-# ifdef SIGILL
+# if defined (SIGILL)
       sys_siglist[SIGILL] = "Illegal instruction";
 # endif
-# ifdef SIGINT
+# if defined (SIGINT)
       sys_siglist[SIGINT] = "Interrupt";
 # endif
-# ifdef SIGIO
+# if defined (SIGIO)
       sys_siglist[SIGIO] = "I/O possible";
 # endif
-# ifdef SIGIOINT
+# if defined (SIGIOINT)
       sys_siglist[SIGIOINT] = "I/O intervention required";
 # endif
-# ifdef SIGIOT
+# if defined (SIGIOT)
       sys_siglist[SIGIOT] = "IOT trap";
 # endif
-# ifdef SIGKILL
+# if defined (SIGKILL)
       sys_siglist[SIGKILL] = "Killed";
 # endif
-# ifdef SIGLOST
+# if defined (SIGLOST)
       sys_siglist[SIGLOST] = "Resource lost";
 # endif
-# ifdef SIGLWP
+# if defined (SIGLWP)
       sys_siglist[SIGLWP] = "SIGLWP";
 # endif
-# ifdef SIGMSG
+# if defined (SIGMSG)
       sys_siglist[SIGMSG] = "Monitor mode data available";
 # endif
-# ifdef SIGPHONE
+# if defined (SIGPHONE)
       sys_siglist[SIGPHONE] = "SIGPHONE";
 # endif
-# ifdef SIGPIPE
+# if defined (SIGPIPE)
       sys_siglist[SIGPIPE] = "Broken pipe";
 # endif
-# ifdef SIGPOLL
+# if defined (SIGPOLL)
       sys_siglist[SIGPOLL] = "Pollable event occurred";
 # endif
-# ifdef SIGPROF
+# if defined (SIGPROF)
       sys_siglist[SIGPROF] = "Profiling timer expired";
 # endif
-# ifdef SIGPTY
+# if defined (SIGPTY)
       sys_siglist[SIGPTY] = "PTY I/O interrupt";
 # endif
-# ifdef SIGPWR
+# if defined (SIGPWR)
       sys_siglist[SIGPWR] = "Power-fail restart";
 # endif
-# ifdef SIGQUIT
+# if defined (SIGQUIT)
       sys_siglist[SIGQUIT] = "Quit";
 # endif
-# ifdef SIGRETRACT
+# if defined (SIGRETRACT)
       sys_siglist[SIGRETRACT] = "Need to relinguish monitor mode";
 # endif
-# ifdef SIGSAK
+# if defined (SIGSAK)
       sys_siglist[SIGSAK] = "Secure attention";
 # endif
-# ifdef SIGSEGV
+# if defined (SIGSEGV)
       sys_siglist[SIGSEGV] = "Segmentation violation";
 # endif
-# ifdef SIGSOUND
+# if defined (SIGSOUND)
       sys_siglist[SIGSOUND] = "Sound completed";
 # endif
-# ifdef SIGSTKFLT
+# if defined (SIGSTKFLT)
       sys_siglist[SIGSTKFLT] = "Stack fault";
 # endif
-# ifdef SIGSTOP
+# if defined (SIGSTOP)
       sys_siglist[SIGSTOP] = "Stopped (signal)";
 # endif
-# ifdef SIGSTP
+# if defined (SIGSTP)
       sys_siglist[SIGSTP] = "Stopped (user)";
 # endif
-# ifdef SIGSYS
+# if defined (SIGSYS)
       sys_siglist[SIGSYS] = "Bad argument to system call";
 # endif
-# ifdef SIGTERM
+# if defined (SIGTERM)
       sys_siglist[SIGTERM] = "Terminated";
 # endif
-# ifdef SIGTHAW
+# if defined (SIGTHAW)
       sys_siglist[SIGTHAW] = "SIGTHAW";
 # endif
-# ifdef SIGTRAP
+# if defined (SIGTRAP)
       sys_siglist[SIGTRAP] = "Trace/breakpoint trap";
 # endif
-# ifdef SIGTSTP
+# if defined (SIGTSTP)
       sys_siglist[SIGTSTP] = "Stopped (user)";
 # endif
-# ifdef SIGTTIN
+# if defined (SIGTTIN)
       sys_siglist[SIGTTIN] = "Stopped (tty input)";
 # endif
-# ifdef SIGTTOU
+# if defined (SIGTTOU)
       sys_siglist[SIGTTOU] = "Stopped (tty output)";
 # endif
-# ifdef SIGUNUSED
+# if defined (SIGUNUSED)
       sys_siglist[SIGUNUSED] = "SIGUNUSED";
 # endif
-# ifdef SIGURG
+# if defined (SIGURG)
       sys_siglist[SIGURG] = "Urgent I/O condition";
 # endif
-# ifdef SIGUSR1
+# if defined (SIGUSR1)
       sys_siglist[SIGUSR1] = "User defined signal 1";
 # endif
-# ifdef SIGUSR2
+# if defined (SIGUSR2)
       sys_siglist[SIGUSR2] = "User defined signal 2";
 # endif
-# ifdef SIGVTALRM
+# if defined (SIGVTALRM)
       sys_siglist[SIGVTALRM] = "Virtual timer expired";
 # endif
-# ifdef SIGWAITING
+# if defined (SIGWAITING)
       sys_siglist[SIGWAITING] = "Process's LWPs are blocked";
 # endif
-# ifdef SIGWINCH
+# if defined (SIGWINCH)
       sys_siglist[SIGWINCH] = "Window size changed";
 # endif
-# ifdef SIGWIND
+# if defined (SIGWIND)
       sys_siglist[SIGWIND] = "SIGWIND";
 # endif
-# ifdef SIGXCPU
+# if defined (SIGXCPU)
       sys_siglist[SIGXCPU] = "CPU time limit exceeded";
 # endif
-# ifdef SIGXFSZ
+# if defined (SIGXFSZ)
       sys_siglist[SIGXFSZ] = "File size limit exceeded";
 # endif
     }
--- a/libinterp/corefcn/siglist.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/siglist.h	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 
 #include "octave-config.h"
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C"
 {
 #endif
@@ -42,7 +42,7 @@
 extern char *strsignal (int);
 #endif
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/libinterp/corefcn/sparse-xdiv.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/sparse-xdiv.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/sparse-xpow.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/sparse-xpow.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/sparse.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/sparse.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/spparms.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/spparms.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/sqrtm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/sqrtm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/str2double.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/str2double.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/strfind.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/strfind.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/strfns.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/strfns.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/sub2ind.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/sub2ind.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/svd.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/svd.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/sylvester.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/sylvester.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Author: A. S. Hodel <scotte@eng.auburn.edu>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/symtab.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/symtab.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/syscalls.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/syscalls.cc	Tue May 17 12:09:30 2016 -0400
@@ -26,7 +26,7 @@
 //
 //   mkfifo  unlink  waitpid
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/sysdep.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/sysdep.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -89,7 +89,7 @@
 #include "utils.h"
 #include "file-stat.h"
 
-#ifndef STDIN_FILENO
+#if ! defined (STDIN_FILENO)
 #  define STDIN_FILENO 1
 #endif
 
@@ -99,7 +99,7 @@
 {
 #  if defined (HAVE_FLOATINGPOINT_H)
   // Disable trapping on common exceptions.
-#    ifndef FP_X_DNML
+#    if ! defined (FP_X_DNML)
 #      define FP_X_DNML 0
 #    endif
   fpsetmask (~(FP_X_OFL|FP_X_INV|FP_X_DZ|FP_X_DNML|FP_X_UFL|FP_X_IMP));
@@ -119,7 +119,7 @@
   std::string bin_dir;
 
   HANDLE h = CreateToolhelp32Snapshot (TH32CS_SNAPMODULE
-#ifdef TH32CS_SNAPMODULE32
+#if defined (TH32CS_SNAPMODULE32)
                                        | TH32CS_SNAPMODULE32
 #endif
                                        , 0);
@@ -250,7 +250,7 @@
 bool
 same_file_internal (const std::string& file1, const std::string& file2)
 {
-#ifdef OCTAVE_USE_WINDOWS_API
+#if defined (OCTAVE_USE_WINDOWS_API)
 
   bool retval = false;
 
--- a/libinterp/corefcn/text-renderer.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/text-renderer.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
--- a/libinterp/corefcn/time.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/time.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/toplev.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/toplev.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -82,7 +82,7 @@
 #include "variables.h"
 #include "version.h"
 
-#ifndef SHELL_PATH
+#if ! defined (SHELL_PATH)
 #  define SHELL_PATH "/bin/sh"
 #endif
 
@@ -777,7 +777,7 @@
                     << std::endl;
         }
 
-#ifdef DBSTOP_NANINF
+#if defined (DBSTOP_NANINF)
       if (Vdebug_on_naninf)
         {
           if (setjump (naninf_jump) != 0)
@@ -1171,7 +1171,7 @@
   if (type == et_async)
     {
       // FIXME: maybe this should go in sysdep.cc?
-#ifdef HAVE_FORK
+#if defined (HAVE_FORK)
       pid_t pid = fork ();
 
       if (pid < 0)
--- a/libinterp/corefcn/tril.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/tril.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/tsearch.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/tsearch.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Author: Andreas Stahel <Andreas.Stahel@hta-bi.bfh.ch>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/txt-eng.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/txt-eng.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/typecast.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/typecast.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/urlwrite.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/urlwrite.cc	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 // Author: Alexander Barth <abarth@marine.usf.edu>
 // Adapted-By: jwe
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/utils.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/utils.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/variables.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/variables.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/xdiv.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/xdiv.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/xgl2ps.c	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/xgl2ps.c	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 /* Wrapper for "imported" file gl2ps.c so that config.h will be included
    before any other system or gnulib headers.  */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
--- a/libinterp/corefcn/xnorm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/xnorm.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // author: Jaroslav Hajek <highegg@gmail.com>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/xpow.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/xpow.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/corefcn/zfstream.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/zfstream.cc	Tue May 17 12:09:30 2016 -0400
@@ -31,7 +31,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -39,7 +39,7 @@
 
 #include "zfstream.h"
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
 
 // For strcpy, strcat, strlen (mode strings).
 #include <cstring>
--- a/libinterp/corefcn/zfstream.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/corefcn/zfstream.h	Tue May 17 12:09:30 2016 -0400
@@ -35,7 +35,7 @@
 
 #include "octave-config.h"
 
-#ifdef HAVE_ZLIB
+#if defined (HAVE_ZLIB)
 
 #include <iosfwd>
 
--- a/libinterp/dldfcn/__delaunayn__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/__delaunayn__.cc	Tue May 17 12:09:30 2016 -0400
@@ -38,7 +38,7 @@
   * change the default options (for compatibility with matlab)
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/__eigs__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/__eigs__.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -149,7 +149,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifdef HAVE_ARPACK
+#if defined (HAVE_ARPACK)
 
   int nargin = args.length ();
 
--- a/libinterp/dldfcn/__fltk_uigetfile__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/__fltk_uigetfile__.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,13 +20,13 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_FLTK
+#if defined (HAVE_FLTK)
 
-#ifdef WIN32
+#if defined (WIN32)
 #  define WIN32_LEAN_AND_MEAN
 #endif
 
@@ -51,7 +51,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifdef HAVE_FLTK
+#if defined (HAVE_FLTK)
 
   // Expected argument list:
   //
--- a/libinterp/dldfcn/__glpk__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/__glpk__.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/__init_fltk__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/__init_fltk__.cc	Tue May 17 12:09:30 2016 -0400
@@ -32,7 +32,7 @@
 
 // PKG_ADD: if (__have_feature__ ("FLTK") && __have_feature__ ("OPENGL") && have_window_system ()) register_graphics_toolkit ("fltk"); endif
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -43,7 +43,7 @@
 #include "oct-opengl.h"
 #include "ov-fcn-handle.h"
 
-#ifdef HAVE_FLTK
+#if defined (HAVE_FLTK)
 
 #if defined (HAVE_X_WINDOWS)
 #  include <X11/Xlib.h>
@@ -2396,7 +2396,7 @@
 Undocumented internal function.  Calls Fl::check ()\n\
 @end deftypefn")
 {
-#ifdef HAVE_FLTK
+#if defined (HAVE_FLTK)
   Fl::check ();
 
   if (Vdrawnow_requested)
@@ -2416,7 +2416,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifdef HAVE_FLTK
+#if defined (HAVE_FLTK)
   if (! display_info::display_available ())
     error ("__init_fltk__: no graphics DISPLAY available");
   else if (! toolkit_loaded)
--- a/libinterp/dldfcn/__init_gnuplot__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/__init_gnuplot__.cc	Tue May 17 12:09:30 2016 -0400
@@ -29,7 +29,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/__osmesa_print__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/__osmesa_print__.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/__voronoi__.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/__voronoi__.cc	Tue May 17 12:09:30 2016 -0400
@@ -30,7 +30,7 @@
 qhull command
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/amd.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/amd.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 // This is the octave interface to amd, which bore the copyright given
 // in the help of the functions.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -85,7 +85,7 @@
 @seealso{symamd, colamd}\n\
 @end deftypefn")
 {
-#ifdef HAVE_AMD
+#if defined (HAVE_AMD)
 
   int nargin = args.length ();
 
--- a/libinterp/dldfcn/audiodevinfo.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/audiodevinfo.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -101,7 +101,7 @@
 recording using those parameters.\n\
 @end deftypefn")
 {
-#ifdef HAVE_PORTAUDIO
+#if defined (HAVE_PORTAUDIO)
 
   int nargin = args.length ();
 
@@ -449,7 +449,7 @@
 %! endfor
 */
 
-#ifdef HAVE_PORTAUDIO
+#if defined (HAVE_PORTAUDIO)
 
 enum audio_type { TYPE_INT8, TYPE_UINT8, TYPE_UINT16, TYPE_DOUBLE };
 
@@ -1812,7 +1812,7 @@
 {
   octave_value retval;
 
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_audiorecorder__",
@@ -1852,7 +1852,7 @@
   return retval;
 }
 
-#ifdef HAVE_PORTAUDIO
+#if defined (HAVE_PORTAUDIO)
 
 static audiorecorder *
 get_recorder (const octave_value& ov)
@@ -1877,7 +1877,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_getaudiodata__",
@@ -1895,7 +1895,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_get_channels__",
@@ -1913,7 +1913,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_get_fs__",
@@ -1931,7 +1931,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_get_id__",
@@ -1949,7 +1949,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_get_nbits__",
@@ -1967,7 +1967,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_get_sample_number__",
@@ -1985,7 +1985,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_get_tag__",
@@ -2003,7 +2003,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_get_total_samples__",
@@ -2021,7 +2021,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_get_userdata__",
@@ -2039,7 +2039,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_isrecording__",
@@ -2056,7 +2056,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_pause__",
@@ -2073,7 +2073,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_recordblocking__",
@@ -2092,7 +2092,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_record__",
@@ -2114,7 +2114,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_resume__",
@@ -2132,7 +2132,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_set_fs__",
@@ -2150,7 +2150,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_set_tag__",
@@ -2168,7 +2168,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_set_userdata__",
@@ -2186,7 +2186,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__recorder_stop__",
@@ -2207,7 +2207,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_audioplayer__",
@@ -2252,7 +2252,7 @@
   return retval;
 }
 
-#ifdef HAVE_PORTAUDIO
+#if defined (HAVE_PORTAUDIO)
 
 static audioplayer *
 get_player (const octave_value& ov)
@@ -2277,7 +2277,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_get_channels__",
@@ -2296,7 +2296,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_get_fs__",
@@ -2315,7 +2315,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_get_id__",
@@ -2334,7 +2334,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_get_nbits__",
@@ -2353,7 +2353,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_get_sample_number__",
@@ -2372,7 +2372,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_get_tag__",
@@ -2391,7 +2391,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_get_total_samples__",
@@ -2410,7 +2410,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_get_userdata__",
@@ -2429,7 +2429,7 @@
 @end deftypefn")
 {
   octave_value retval;
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_isplaying__",
@@ -2447,7 +2447,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_pause__",
@@ -2467,7 +2467,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_playblocking__",
@@ -2521,7 +2521,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_play__",
@@ -2573,7 +2573,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_resume__",
@@ -2591,7 +2591,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_set_fs__",
@@ -2609,7 +2609,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_set_tag__",
@@ -2627,7 +2627,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_set_userdata__",
@@ -2645,7 +2645,7 @@
 Undocumented internal function.\n\
 @end deftypefn")
 {
-#ifndef HAVE_PORTAUDIO
+#if ! defined (HAVE_PORTAUDIO)
   octave_unused_parameter (args);
 
   err_disabled_feature ("__player_stop__",
--- a/libinterp/dldfcn/audioread.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/audioread.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -40,11 +40,11 @@
 #include "pager.h"
 
 
-#ifdef HAVE_SNDFILE
+#if defined (HAVE_SNDFILE)
 #  include <sndfile.h>
 #endif
 
-#ifdef HAVE_SNDFILE
+#if defined (HAVE_SNDFILE)
 
 static void
 safe_close (SNDFILE *file)
@@ -75,7 +75,7 @@
 is stored in the audio file.\n\
 @end deftypefn")
 {
-#ifdef HAVE_SNDFILE
+#if defined (HAVE_SNDFILE)
 
   int nargin = args.length ();
 
@@ -186,7 +186,7 @@
 #endif
 }
 
-#ifdef HAVE_SNDFILE
+#if defined (HAVE_SNDFILE)
 
 static int
 extension_to_format (const std::string& ext)
@@ -267,7 +267,7 @@
 @end table\n\
 @end deftypefn")
 {
-#ifdef HAVE_SNDFILE
+#if defined (HAVE_SNDFILE)
 
   int nargin = args.length ();
 
@@ -448,7 +448,7 @@
 Return information about an audio file specified by @var{filename}.\n\
 @end deftypefn")
 {
-#ifdef HAVE_SNDFILE
+#if defined (HAVE_SNDFILE)
 
   if (args.length () != 1)
     print_usage ();
@@ -519,7 +519,7 @@
 #endif
 }
 
-#ifdef HAVE_SNDFILE
+#if defined (HAVE_SNDFILE)
 
 static void
 audio_sub_formats (int format)
@@ -555,7 +555,7 @@
 with names that start with @var{format}.\n\
 @end deftypefn")
 {
-#ifdef HAVE_SNDFILE
+#if defined (HAVE_SNDFILE)
 
   if (args.length () > 1)
     print_usage ();
--- a/libinterp/dldfcn/ccolamd.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/ccolamd.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 // This is the octave interface to ccolamd, which bore the copyright given
 // in the help of the functions.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -144,7 +144,7 @@
 @seealso{colamd, csymamd}\n\
 @end deftypefn")
 {
-#ifdef HAVE_CCOLAMD
+#if defined (HAVE_CCOLAMD)
 
   int nargin = args.length ();
 
--- a/libinterp/dldfcn/chol.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/chol.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 */
 
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/colamd.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/colamd.cc	Tue May 17 12:09:30 2016 -0400
@@ -24,7 +24,7 @@
 // This is the octave interface to colamd, which bore the copyright given
 // in the help of the functions.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -278,7 +278,7 @@
 @seealso{colperm, symamd, ccolamd}\n\
 @end deftypefn")
 {
-#ifdef HAVE_COLAMD
+#if defined (HAVE_COLAMD)
 
   int nargin = args.length ();
 
@@ -516,7 +516,7 @@
 @seealso{colperm, colamd}\n\
 @end deftypefn")
 {
-#ifdef HAVE_COLAMD
+#if defined (HAVE_COLAMD)
 
   int nargin = args.length ();
 
--- a/libinterp/dldfcn/convhulln.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/convhulln.cc	Tue May 17 12:09:30 2016 -0400
@@ -29,7 +29,7 @@
 * guaranteed to be simplicial.
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/dmperm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/dmperm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/fftw.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/fftw.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/qr.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/qr.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/dldfcn/symbfact.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/symbfact.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -102,7 +102,7 @@
 @seealso{chol, etree, treelayout}\n\
 @end deftypefn")
 {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
 
   int nargin = args.length ();
 
--- a/libinterp/dldfcn/symrcm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/dldfcn/symrcm.cc	Tue May 17 12:09:30 2016 -0400
@@ -50,7 +50,7 @@
                            <weitzel@@ldknet.org>
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/liboctinterp-build-info.in.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/liboctinterp-build-info.in.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/mkbuiltins	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/mkbuiltins	Tue May 17 12:09:30 2016 -0400
@@ -75,7 +75,7 @@
   cat << \EOF
 // DO NOT EDIT!  Generated automatically by mkbuiltins.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
@@ -86,22 +86,22 @@
 #include "builtins.h"
 
 #if defined (quad)
-#undef quad
+#  undef quad
 #endif
 
 #if defined (ENABLE_DYNAMIC_LINKING)
 
-#define XDEFUN_DLD_INTERNAL(name, args_name, nargout_name, doc)
+#  define XDEFUN_DLD_INTERNAL(name, args_name, nargout_name, doc)
 
-#define XDEFUNX_DLD_INTERNAL(name, fname, args_name, nargout_name, doc)
+#  define XDEFUNX_DLD_INTERNAL(name, fname, args_name, nargout_name, doc)
 
 #else
 
-#define XDEFUN_DLD_INTERNAL(name, args_name, nargout_name, doc) \
-  XDEFUN_INTERNAL(name, args_name, nargout_name, doc)
+#  define XDEFUN_DLD_INTERNAL(name, args_name, nargout_name, doc) \
+     XDEFUN_INTERNAL(name, args_name, nargout_name, doc)
 
-#define XDEFUNX_DLD_INTERNAL(name, fname, args_name, nargout_name, doc) \
-  XDEFUNX_INTERNAL(name, fname, args_name, nargout_name, doc)
+#  define XDEFUNX_DLD_INTERNAL(name, fname, args_name, nargout_name, doc) \
+     XDEFUNX_INTERNAL(name, fname, args_name, nargout_name, doc)
 
 #endif
 
--- a/libinterp/mkops	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/mkops	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 cat << \EOF
 // DO NOT EDIT!  Generated automatically by mkops.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-base.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-base.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-bool-mat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-bool-mat.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-bool-sparse.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-bool-sparse.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-bool.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-bool.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-builtin.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-builtin.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-cell.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-cell.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-ch-mat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-ch-mat.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -183,7 +183,7 @@
 // functions are int (*) (int), even in C++.  Wicked!
 static inline int xisascii (int c)
 {
-#ifdef HAVE_ISASCII
+#if defined (HAVE_ISASCII)
   return isascii (c);
 #else
   return (c >= 0x00 && c <= 0x7f);
@@ -192,7 +192,7 @@
 
 static inline int xtoascii (int c)
 {
-#ifdef HAVE_TOASCII
+#if defined (HAVE_TOASCII)
   return toascii (c);
 #else
   return (c & 0x7F);
--- a/libinterp/octave-value/ov-class.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-class.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-classdef.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-classdef.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-colon.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-colon.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-complex.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-complex.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-cs-list.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-cs-list.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-cx-diag.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-cx-diag.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-cx-mat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-cx-mat.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-cx-sparse.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-cx-sparse.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-dld-fcn.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-dld-fcn.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-fcn-handle.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-fcn-handle.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-fcn-inline.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-fcn-inline.cc	Tue May 17 12:09:30 2016 -0400
@@ -24,7 +24,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-fcn.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-fcn.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-float.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-float.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-flt-complex.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-flt-complex.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-flt-cx-diag.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-flt-cx-diag.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-flt-cx-mat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-flt-cx-mat.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-flt-re-diag.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-flt-re-diag.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-flt-re-mat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-flt-re-mat.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-int16.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-int16.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-int32.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-int32.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-int64.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-int64.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-int8.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-int8.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-java.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-java.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -280,7 +280,7 @@
   std::list<std::string> java_opts;
 };
 
-#ifdef __WIN32__
+#if defined (__WIN32__)
 
 static std::string
 read_registry_string (const std::string& key, const std::string& value)
@@ -508,7 +508,7 @@
   return retval;
 }
 
-#ifndef _FPU_DEFAULT
+#if ! defined (_FPU_DEFAULT)
 #  if defined __i386__ || defined __x86_64__
 #    define _FPU_DEFAULT 0x037f
 #  else
--- a/libinterp/octave-value/ov-lazy-idx.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-lazy-idx.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-mex-fcn.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-mex-fcn.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-null-mat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-null-mat.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-oncleanup.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-oncleanup.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-perm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-perm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-range.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-range.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-re-diag.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-re-diag.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-re-mat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-re-mat.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-re-sparse.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-re-sparse.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-scalar.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-scalar.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-str-mat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-str-mat.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-struct.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-struct.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-typeinfo.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-typeinfo.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-uint16.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-uint16.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-uint32.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-uint32.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-uint64.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-uint64.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-uint8.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-uint8.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ov-usr-fcn.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-usr-fcn.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -192,7 +192,7 @@
     class_constructor (none), class_method (false),
     parent_scope (-1), local_scope (sid),
     curr_unwind_protect_frame (0)
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
     , jit_info (0)
 #endif
 {
@@ -214,7 +214,7 @@
   delete lead_comm;
   delete trail_comm;
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
   delete jit_info;
 #endif
 
@@ -485,7 +485,7 @@
         panic_impossible ();
     }
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
   if (is_special_expr ()
       && tree_jit::execute (*this, args, retval))
     return retval;
--- a/libinterp/octave-value/ov-usr-fcn.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov-usr-fcn.h	Tue May 17 12:09:30 2016 -0400
@@ -46,7 +46,7 @@
 class tree_expression;
 class tree_walker;
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 class jit_function_info;
 #endif
 
@@ -405,7 +405,7 @@
       return false;
   }
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
   jit_function_info *get_info (void) { return jit_info; }
 
   void stash_info (jit_function_info *info) { jit_info = info; }
@@ -500,7 +500,7 @@
   // pointer to the current unwind_protect frame of this function.
   unwind_protect *curr_unwind_protect_frame;
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
   jit_function_info *jit_info;
 #endif
 
--- a/libinterp/octave-value/ov.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ov.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave-value/ovl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave-value/ovl.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Born February 20, 1992.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/octave.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/octave.h	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 
 #include "octave-config.h"
 
-#ifdef  __cplusplus
+#if defined  (__cplusplus)
 extern "C" {
 #endif
 
@@ -45,7 +45,7 @@
 extern OCTINTERP_API int octave_starting_gui (void);
 extern OCTINTERP_API int octave_fork_gui (void);
 
-#ifdef  __cplusplus
+#if defined  (__cplusplus)
 }
 #endif
 
--- a/libinterp/operators/op-b-b.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-b-b.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-b-bm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-b-bm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-b-sbm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-b-sbm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-bm-b.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-bm-b.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-bm-bm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-bm-bm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-bm-sbm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-bm-sbm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cdm-cdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cdm-cdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cdm-cm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cdm-cm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cdm-dm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cdm-dm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cdm-m.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cdm-m.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cell.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cell.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-chm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-chm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-class.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-class.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cm-cdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cm-cdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cm-cm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cm-cm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cm-cs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cm-cs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cm-dm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cm-dm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cm-m.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cm-m.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cm-s.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cm-s.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cm-scm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cm-scm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cm-sm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cm-sm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cs-cm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cs-cm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cs-cs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cs-cs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cs-m.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cs-m.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cs-s.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cs-s.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cs-scm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cs-scm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-cs-sm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-cs-sm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-dm-cdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-dm-cdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-dm-cm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-dm-cm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-dm-dm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-dm-dm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-dm-m.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-dm-m.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-dm-scm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-dm-scm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-dm-sm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-dm-sm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-dm-template.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-dm-template.cc	Tue May 17 12:09:30 2016 -0400
@@ -32,7 +32,7 @@
 #include "xdiv.h"
 #include LINCLUDE
 #include RINCLUDE
-#ifdef DEFINENULLASSIGNCONV
+#if defined (DEFINENULLASSIGNCONV)
 #  include "ov-null-mat.h"
 #endif
 
@@ -42,11 +42,11 @@
 DEFBINOP_OP (sub, LMATRIX, RMATRIX, -)
 DEFBINOP_OP (mul, LMATRIX, RMATRIX, *)
 
-#ifndef LDMATRIX
+#if ! defined (LDMATRIX)
 #  define LDMATRIX LMATRIX
 #endif
 
-#ifndef RDMATRIX
+#if ! defined (RDMATRIX)
 #  define RDMATRIX RMATRIX
 #endif
 
@@ -58,7 +58,7 @@
 #define LDMATRIX_VALUE CONCAT2(LDMATRIX, _value)
 #define RDMATRIX_VALUE CONCAT2(RDMATRIX, _value)
 
-#ifdef DEFINEDIV
+#if defined (DEFINEDIV)
 DEFBINOP (div, LMATRIX, RMATRIX)
 {
   const OCTAVE_LMATRIX& v1 = dynamic_cast<const OCTAVE_LMATRIX&> (a1);
@@ -68,7 +68,7 @@
 }
 #endif
 
-#ifdef DEFINELDIV
+#if defined (DEFINELDIV)
 DEFBINOP (ldiv, LMATRIX, RMATRIX)
 {
   const OCTAVE_LMATRIX& v1 = dynamic_cast<const OCTAVE_LMATRIX&> (a1);
@@ -87,13 +87,13 @@
   INSTALL_BINOP (op_add, OCTAVE_LMATRIX, OCTAVE_RMATRIX, add);
   INSTALL_BINOP (op_sub, OCTAVE_LMATRIX, OCTAVE_RMATRIX, sub);
   INSTALL_BINOP (op_mul, OCTAVE_LMATRIX, OCTAVE_RMATRIX, mul);
-#ifdef DEFINEDIV
+#if defined (DEFINEDIV)
   INSTALL_BINOP (op_div, OCTAVE_LMATRIX, OCTAVE_RMATRIX, div);
 #endif
-#ifdef DEFINELDIV
+#if defined (DEFINELDIV)
   INSTALL_BINOP (op_ldiv, OCTAVE_LMATRIX, OCTAVE_RMATRIX, ldiv);
 #endif
-#ifdef DEFINENULLASSIGNCONV
+#if defined (DEFINENULLASSIGNCONV)
   INSTALL_ASSIGNCONV (OCTAVE_LMATRIX, octave_null_matrix, OCTAVE_LDMATRIX);
   INSTALL_ASSIGNCONV (OCTAVE_LMATRIX, octave_null_str, OCTAVE_LDMATRIX);
   INSTALL_ASSIGNCONV (OCTAVE_LMATRIX, octave_null_sq_str, OCTAVE_LDMATRIX);
--- a/libinterp/operators/op-dms-template.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-dms-template.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -32,11 +32,11 @@
 
 // matrix by diag matrix ops.
 
-#ifndef SCALARV
+#if ! defined (SCALARV)
 #  define SCALARV SCALAR
 #endif
 
-#ifndef MATRIXV
+#if ! defined (MATRIXV)
 #  define MATRIXV MATRIX
 #endif
 
--- a/libinterp/operators/op-double-conv.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-double-conv.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcdm-fcdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcdm-fcdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcdm-fcm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcdm-fcm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcdm-fdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcdm-fdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcdm-fm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcdm-fm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcm-fcdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcm-fcdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcm-fcm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcm-fcm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcm-fcs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcm-fcs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcm-fdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcm-fdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcm-fm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcm-fm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcm-fs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcm-fs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcn.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcn.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcs-fcm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcs-fcm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcs-fcs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcs-fcs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcs-fm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcs-fm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fcs-fs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fcs-fs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fdm-fcdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fdm-fcdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fdm-fcm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fdm-fcm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fdm-fdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fdm-fdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fdm-fm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fdm-fm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-float-conv.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-float-conv.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fm-fcdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fm-fcdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fm-fcm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fm-fcm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fm-fcs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fm-fcs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fm-fdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fm-fdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fm-fm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fm-fm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fm-fs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fm-fs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fs-fcm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fs-fcm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fs-fcs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fs-fcs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fs-fm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fs-fm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-fs-fs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-fs-fs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-i16-i16.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-i16-i16.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-i32-i32.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-i32-i32.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-i64-i64.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-i64-i64.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-i8-i8.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-i8-i8.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-int-concat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-int-concat.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-int-conv.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-int-conv.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-m-cdm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-m-cdm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-m-cm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-m-cm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-m-cs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-m-cs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-m-dm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-m-dm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-m-m.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-m-m.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-m-s.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-m-s.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-m-scm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-m-scm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-m-sm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-m-sm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-pm-pm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-pm-pm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-pm-scm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-pm-scm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-pm-sm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-pm-sm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-pm-template.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-pm-template.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -31,18 +31,18 @@
 #include "ov-perm.h"
 #include MINCLUDE
 #include "ops.h"
-#ifdef DEFINENULLASSIGNCONV
+#if defined (DEFINENULLASSIGNCONV)
 #  include "ov-null-mat.h"
 #endif
 
-#ifndef LDMATRIX
+#if ! defined (LDMATRIX)
 #  define LDMATRIX LMATRIX
 #endif
 
 #define OCTAVE_LMATRIX CONCAT2(octave_, LMATRIX)
 #define OCTAVE_LDMATRIX CONCAT2(octave_, LDMATRIX)
 #define OCTAVE_RMATRIX CONCAT2(octave_, RMATRIX)
-#ifdef LEFT
+#if defined (LEFT)
 #  define LMATRIX_VALUE perm_matrix_value
 #  define RMATRIX_VALUE CONCAT2(RMATRIX, _value)
 #else
@@ -58,7 +58,7 @@
   return v1.LMATRIX_VALUE () * v2.RMATRIX_VALUE ();
 }
 
-#ifdef LEFT
+#if defined (LEFT)
 DEFBINOP (ldiv, LMATRIX, RMATRIX)
 {
   const OCTAVE_LMATRIX& v1 = dynamic_cast<const OCTAVE_LMATRIX&> (a1);
@@ -84,12 +84,12 @@
 INST_NAME (void)
 {
   INSTALL_BINOP (op_mul, OCTAVE_LMATRIX, OCTAVE_RMATRIX, mul);
-#ifdef LEFT
+#if defined (LEFT)
   INSTALL_BINOP (op_ldiv, OCTAVE_LMATRIX, OCTAVE_RMATRIX, ldiv);
 #else
   INSTALL_BINOP (op_div, OCTAVE_LMATRIX, OCTAVE_RMATRIX, div);
 #endif
-#ifdef DEFINENULLASSIGNCONV
+#if defined (DEFINENULLASSIGNCONV)
   INSTALL_ASSIGNCONV (OCTAVE_LMATRIX, octave_null_matrix, OCTAVE_LDMATRIX);
   INSTALL_ASSIGNCONV (OCTAVE_LMATRIX, octave_null_str, OCTAVE_LDMATRIX);
   INSTALL_ASSIGNCONV (OCTAVE_LMATRIX, octave_null_sq_str, OCTAVE_LDMATRIX);
--- a/libinterp/operators/op-range.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-range.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-s-cm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-s-cm.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-s-cs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-s-cs.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-s-m.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-s-m.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-s-s.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-s-s.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-s-scm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-s-scm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-s-sm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-s-sm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-sbm-b.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-sbm-b.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-sbm-bm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-sbm-bm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-sbm-sbm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-sbm-sbm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-scm-cm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-scm-cm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-scm-cs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-scm-cs.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-scm-m.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-scm-m.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-scm-s.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-scm-s.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-scm-scm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-scm-scm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-scm-sm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-scm-sm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-sm-cm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-sm-cm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-sm-cs.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-sm-cs.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-sm-m.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-sm-m.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-sm-s.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-sm-s.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-sm-scm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-sm-scm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-sm-sm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-sm-sm.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-str-m.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-str-m.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-str-s.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-str-s.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-str-str.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-str-str.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-struct.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-struct.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-ui16-ui16.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-ui16-ui16.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-ui32-ui32.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-ui32-ui32.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-ui64-ui64.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-ui64-ui64.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/operators/op-ui8-ui8.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/operators/op-ui8-ui8.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/lex.ll	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/lex.ll	Tue May 17 12:09:30 2016 -0400
@@ -32,7 +32,7 @@
 */
 
 %top {
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
@@ -50,7 +50,7 @@
 // Define away the deprecated register storage class specifier to avoid
 // potential warnings about it.
 #if ! defined (register)
-#define register
+#  define register
 #endif
 
 }
@@ -128,18 +128,18 @@
 // in the generated oct-parse.h file.
 
 #if defined (OCTAVE_STYPE_IS_DECLARED) && ! defined YYSTYPE
-#define YYSTYPE OCTAVE_STYPE
+#  define YYSTYPE OCTAVE_STYPE
 #endif
 
 #if defined (GNULIB_NAMESPACE)
 // Calls to the following functions appear in the generated output from
 // flex without the namespace tag.  Redefine them so we will use them
 // via the gnulib namespace.
-#define fprintf GNULIB_NAMESPACE::fprintf
-#define fwrite GNULIB_NAMESPACE::fwrite
-#define isatty GNULIB_NAMESPACE::isatty
-#define malloc GNULIB_NAMESPACE::malloc
-#define realloc GNULIB_NAMESPACE::realloc
+#  define fprintf GNULIB_NAMESPACE::fprintf
+#  define fwrite GNULIB_NAMESPACE::fwrite
+#  define isatty GNULIB_NAMESPACE::isatty
+#  define malloc GNULIB_NAMESPACE::malloc
+#  define realloc GNULIB_NAMESPACE::realloc
 #endif
 
 #if ! (defined (FLEX_SCANNER) \
@@ -153,16 +153,16 @@
 
 // Arrange to get input via readline.
 
-#ifdef YY_INPUT
-#undef YY_INPUT
+#if defined (YY_INPUT)
+#  undef YY_INPUT
 #endif
 #define YY_INPUT(buf, result, max_size) \
   result = curr_lexer->fill_flex_buffer (buf, max_size)
 
 // Try to avoid crashing out completely on fatal scanner errors.
 
-#ifdef YY_FATAL_ERROR
-#undef YY_FATAL_ERROR
+#if defined (YY_FATAL_ERROR)
+#  undef YY_FATAL_ERROR
 #endif
 #define YY_FATAL_ERROR(msg) \
   (yyget_extra (yyscanner))->fatal_error (msg)
--- a/libinterp/parse-tree/oct-parse.in.yy	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/oct-parse.in.yy	Tue May 17 12:09:30 2016 -0400
@@ -31,7 +31,7 @@
 
 #define YYDEBUG 1
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
@@ -93,9 +93,9 @@
 // Calls to the following functions appear in the generated output from
 // Bison without the namespace tag.  Redefine them so we will use them
 // via the gnulib namespace.
-#define fclose GNULIB_NAMESPACE::fclose
-#define fprintf GNULIB_NAMESPACE::fprintf
-#define malloc GNULIB_NAMESPACE::malloc
+#  define fclose GNULIB_NAMESPACE::fclose
+#  define fprintf GNULIB_NAMESPACE::fprintf
+#  define malloc GNULIB_NAMESPACE::malloc
 #endif
 
 // TRUE means we printed messages about reading startup files.
--- a/libinterp/parse-tree/pt-arg-list.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-arg-list.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-array-list.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-array-list.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-assign.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-assign.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-binop.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-binop.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-bp.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-bp.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-cbinop.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-cbinop.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-cell.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-cell.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-check.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-check.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-classdef.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-classdef.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-cmd.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-cmd.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-colon.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-colon.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-const.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-const.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-decl.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-decl.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-eval.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-eval.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-except.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-except.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-exp.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-exp.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-fcn-handle.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-fcn-handle.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-funcall.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-funcall.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-id.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-id.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-idx.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-idx.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-jump.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-jump.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-loop.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-loop.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -50,7 +50,7 @@
   delete list;
   delete lead_comm;
   delete trail_comm;
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
   delete compiled;
 #endif
 }
@@ -101,7 +101,7 @@
   delete list;
   delete lead_comm;
   delete trail_comm;
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
   delete compiled;
 #endif
 }
--- a/libinterp/parse-tree/pt-loop.h	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-loop.h	Tue May 17 12:09:30 2016 -0400
@@ -50,7 +50,7 @@
   tree_while_command (int l = -1, int c = -1)
     : tree_command (l, c), expr (0), list (0), lead_comm (0),
       trail_comm (0)
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
       , compiled (0)
 #endif
   { }
@@ -61,7 +61,7 @@
                       int l = -1, int c = -1)
     : tree_command (l, c), expr (e), list (0), lead_comm (lc),
       trail_comm (tc)
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
       , compiled (0)
 #endif
   { }
@@ -72,7 +72,7 @@
                       int l = -1, int c = -1)
     : tree_command (l, c), expr (e), list (lst), lead_comm (lc),
       trail_comm (tc)
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
       , compiled (0)
 #endif
   { }
@@ -92,7 +92,7 @@
 
   void accept (tree_walker& tw);
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
   // some functions use by tree_jit
   jit_info *get_info (void) const
   {
@@ -121,7 +121,7 @@
 
 private:
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
   // compiled version of the loop
   jit_info *compiled;
 #endif
@@ -181,7 +181,7 @@
   tree_simple_for_command (int l = -1, int c = -1)
     : tree_command (l, c), parallel (false), lhs (0), expr (0),
       maxproc (0), list (0), lead_comm (0), trail_comm (0)
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
       , compiled (0)
 #endif
   { }
@@ -196,7 +196,7 @@
     : tree_command (l, c), parallel (parallel_arg), lhs (le),
       expr (re), maxproc (maxproc_arg), list (lst),
       lead_comm (lc), trail_comm (tc)
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
       , compiled (0)
 #endif
   { }
@@ -222,7 +222,7 @@
 
   void accept (tree_walker& tw);
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
   // some functions use by tree_jit
   jit_info *get_info (void) const
   {
--- a/libinterp/parse-tree/pt-mat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-mat.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-misc.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-misc.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-pr-code.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-pr-code.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-select.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-select.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-stmt.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-stmt.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt-unop.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt-unop.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/pt.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/pt.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/parse-tree/token.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/parse-tree/token.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/template-inst/Array-jit.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/template-inst/Array-jit.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,11 +22,11 @@
 
 // Author: Max Brister <max@2bass.com>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
-#ifdef HAVE_LLVM
+#if defined (HAVE_LLVM)
 
 #include "Array.h"
 #include "Array.cc"
@@ -43,7 +43,7 @@
 
 INSTANTIATE_ARRAY (jit_function, OCTINTERP_API);
 
-#ifdef Cell_h
+#if defined (Cell_h)
 #  error Must not include Cell.h in Array-jit.h
 #  error This causes problems on MSVC
 #endif
--- a/libinterp/template-inst/Array-tc.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/template-inst/Array-tc.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // Instantiate Arrays of octave_values.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/libinterp/version.cc	Tue May 17 11:32:53 2016 -0400
+++ b/libinterp/version.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-C.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-C.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-b.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-b.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-ch.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-ch.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-d.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-d.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-f.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-f.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-fC.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-fC.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-i.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-i.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-idx-vec.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-idx-vec.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-s.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-s.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-str.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-str.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-util.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-util.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array-voidp.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array-voidp.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Array.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Array.cc	Tue May 17 12:09:30 2016 -0400
@@ -266,7 +266,7 @@
 Array<T>::column (octave_idx_type k) const
 {
   octave_idx_type r = dimensions(0);
-#ifdef OCTAVE_ENABLE_BOUNDS_CHECK
+#if defined (OCTAVE_ENABLE_BOUNDS_CHECK)
   if (k < 0 || k > dimensions.numel (1))
     err_index_out_of_range (2, 2, k+1, dimensions.numel (1), dimensions);
 #endif
@@ -281,7 +281,7 @@
   octave_idx_type r = dimensions(0);
   octave_idx_type c = dimensions(1);
   octave_idx_type p = r*c;
-#ifdef OCTAVE_ENABLE_BOUNDS_CHECK
+#if defined (OCTAVE_ENABLE_BOUNDS_CHECK)
   if (k < 0 || k > dimensions.numel (2))
     err_index_out_of_range (3, 3, k+1, dimensions.numel (2), dimensions);
 #endif
@@ -293,7 +293,7 @@
 Array<T>
 Array<T>::linear_slice (octave_idx_type lo, octave_idx_type up) const
 {
-#ifdef OCTAVE_ENABLE_BOUNDS_CHECK
+#if defined (OCTAVE_ENABLE_BOUNDS_CHECK)
   if (lo < 0)
     err_index_out_of_range (1, 1, lo+1, numel (), dimensions);
   if (up > numel ())
--- a/liboctave/array/CColVector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/CColVector.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/CDiagMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/CDiagMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/CMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/CMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/CNDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/CNDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/CRowVector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/CRowVector.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/CSparse.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/CSparse.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -1142,7 +1142,7 @@
 {
   ComplexDET retval;
 
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
 
   octave_idx_type nr = rows ();
   octave_idx_type nc = cols ();
@@ -5437,7 +5437,7 @@
   void *Numeric = 0;
   err = 0;
 
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
 
   // Setup the control parameters
   Control = Matrix (UMFPACK_CONTROL, 1);
@@ -5579,7 +5579,7 @@
 
       if (typ == MatrixType::Hermitian)
         {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
           cholmod_common Common;
           cholmod_common *cm = &Common;
 
@@ -5714,7 +5714,7 @@
 
       if (typ == MatrixType::Full)
         {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
           Matrix Control, Info;
           void *Numeric = factorize (err, rcond, Control, Info,
                                      sing_handler, calc_cond);
@@ -5729,7 +5729,7 @@
               const octave_idx_type *Ap = cidx ();
               const octave_idx_type *Ai = ridx ();
               const Complex *Ax = data ();
-#ifdef UMFPACK_SEPARATE_SPLIT
+#if defined (UMFPACK_SEPARATE_SPLIT)
               const double *Bx = b.fortran_vec ();
               OCTAVE_LOCAL_BUFFER (double, Bz, b_nr);
               for (octave_idx_type i = 0; i < b_nr; i++)
@@ -5742,7 +5742,7 @@
 
               for (octave_idx_type j = 0, iidx = 0; j < b_nc; j++, iidx += b_nr)
                 {
-#ifdef UMFPACK_SEPARATE_SPLIT
+#if defined (UMFPACK_SEPARATE_SPLIT)
                   status = UMFPACK_ZNAME (solve) (UMFPACK_A, Ap,
                                                   Ai,
                                                   reinterpret_cast<const double *> (Ax),
@@ -5829,7 +5829,7 @@
 
       if (typ == MatrixType::Hermitian)
         {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
           cholmod_common Common;
           cholmod_common *cm = &Common;
 
@@ -5980,7 +5980,7 @@
 
       if (typ == MatrixType::Full)
         {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
           Matrix Control, Info;
           void *Numeric = factorize (err, rcond, Control, Info,
                                      sing_handler, calc_cond);
@@ -5996,7 +5996,7 @@
               const octave_idx_type *Ai = ridx ();
               const Complex *Ax = data ();
 
-#ifdef UMFPACK_SEPARATE_SPLIT
+#if defined (UMFPACK_SEPARATE_SPLIT)
               OCTAVE_LOCAL_BUFFER (double, Bx, b_nr);
               OCTAVE_LOCAL_BUFFER (double, Bz, b_nr);
               for (octave_idx_type i = 0; i < b_nr; i++)
@@ -6017,7 +6017,7 @@
               for (octave_idx_type j = 0; j < b_nc; j++)
                 {
 
-#ifdef UMFPACK_SEPARATE_SPLIT
+#if defined (UMFPACK_SEPARATE_SPLIT)
                   for (octave_idx_type i = 0; i < b_nr; i++)
                     Bx[i] = b.elem (i, j);
 
@@ -6127,7 +6127,7 @@
 
       if (typ == MatrixType::Hermitian)
         {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
           cholmod_common Common;
           cholmod_common *cm = &Common;
 
@@ -6262,7 +6262,7 @@
 
       if (typ == MatrixType::Full)
         {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
           Matrix Control, Info;
           void *Numeric = factorize (err, rcond, Control, Info,
                                      sing_handler, calc_cond);
@@ -6356,7 +6356,7 @@
 
       if (typ == MatrixType::Hermitian)
         {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
           cholmod_common Common;
           cholmod_common *cm = &Common;
 
@@ -6507,7 +6507,7 @@
 
       if (typ == MatrixType::Full)
         {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
           Matrix Control, Info;
           void *Numeric = factorize (err, rcond, Control, Info,
                                      sing_handler, calc_cond);
@@ -6674,7 +6674,7 @@
   if (singular_fallback && mattype.type (false) == MatrixType::Rectangular)
     {
       rcond = 1.;
-#ifdef USE_QRSOLVE
+#if defined (USE_QRSOLVE)
       retval = qrsolve (*this, b, err);
 #else
       retval = dmsolve<ComplexMatrix, SparseComplexMatrix, Matrix>
@@ -6739,7 +6739,7 @@
   if (singular_fallback && mattype.type (false) == MatrixType::Rectangular)
     {
       rcond = 1.;
-#ifdef USE_QRSOLVE
+#if defined (USE_QRSOLVE)
       retval = qrsolve (*this, b, err);
 #else
       retval = dmsolve<SparseComplexMatrix, SparseComplexMatrix, SparseMatrix>
@@ -6804,7 +6804,7 @@
   if (singular_fallback && mattype.type (false) == MatrixType::Rectangular)
     {
       rcond = 1.;
-#ifdef USE_QRSOLVE
+#if defined (USE_QRSOLVE)
       retval = qrsolve (*this, b, err);
 #else
       retval = dmsolve<ComplexMatrix, SparseComplexMatrix, ComplexMatrix>
@@ -6870,7 +6870,7 @@
   if (singular_fallback && mattype.type (false) == MatrixType::Rectangular)
     {
       rcond = 1.;
-#ifdef USE_QRSOLVE
+#if defined (USE_QRSOLVE)
       retval = qrsolve (*this, b, err);
 #else
       retval = dmsolve<SparseComplexMatrix, SparseComplexMatrix,
--- a/liboctave/array/MArray-C.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/MArray-C.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/MArray-d.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/MArray-d.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/MArray-f.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/MArray-f.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/MArray-fC.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/MArray-fC.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/MArray-i.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/MArray-i.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/MArray-s.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/MArray-s.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/MSparse-C.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/MSparse-C.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/MSparse-d.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/MSparse-d.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/MatrixType.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/MatrixType.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/PermMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/PermMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Range.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Range.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Sparse-C.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Sparse-C.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Sparse-b.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Sparse-b.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/Sparse-d.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/Sparse-d.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/boolMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/boolMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/boolNDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/boolNDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/boolSparse.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/boolSparse.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/chMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/chMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/chNDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/chNDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/dColVector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/dColVector.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/dDiagMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/dDiagMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/dMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/dMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/dNDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/dNDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/dRowVector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/dRowVector.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/dSparse.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/dSparse.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -1228,7 +1228,7 @@
 {
   DET retval;
 
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
 
   octave_idx_type nr = rows ();
   octave_idx_type nc = cols ();
@@ -5632,7 +5632,7 @@
   void *Numeric = 0;
   err = 0;
 
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
 
   // Setup the control parameters
   Control = Matrix (UMFPACK_CONTROL, 1);
@@ -5771,7 +5771,7 @@
 
       if (typ == MatrixType::Hermitian)
         {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
           cholmod_common Common;
           cholmod_common *cm = &Common;
 
@@ -5907,7 +5907,7 @@
 
       if (typ == MatrixType::Full)
         {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
           Matrix Control, Info;
           void *Numeric =
             factorize (err, rcond, Control, Info, sing_handler, calc_cond);
@@ -5995,7 +5995,7 @@
 
       if (typ == MatrixType::Hermitian)
         {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
           cholmod_common Common;
           cholmod_common *cm = &Common;
 
@@ -6145,7 +6145,7 @@
 
       if (typ == MatrixType::Full)
         {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
           Matrix Control, Info;
           void *Numeric = factorize (err, rcond, Control, Info,
                                      sing_handler, calc_cond);
@@ -6264,7 +6264,7 @@
 
       if (typ == MatrixType::Hermitian)
         {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
           cholmod_common Common;
           cholmod_common *cm = &Common;
 
@@ -6399,7 +6399,7 @@
 
       if (typ == MatrixType::Full)
         {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
           Matrix Control, Info;
           void *Numeric = factorize (err, rcond, Control, Info,
                                      sing_handler, calc_cond);
@@ -6505,7 +6505,7 @@
 
       if (typ == MatrixType::Hermitian)
         {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
           cholmod_common Common;
           cholmod_common *cm = &Common;
 
@@ -6656,7 +6656,7 @@
 
       if (typ == MatrixType::Full)
         {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
           Matrix Control, Info;
           void *Numeric = factorize (err, rcond, Control, Info,
                                      sing_handler, calc_cond);
@@ -6813,7 +6813,7 @@
   if (singular_fallback && mattype.type (false) == MatrixType::Rectangular)
     {
       rcond = 1.;
-#ifdef USE_QRSOLVE
+#if defined (USE_QRSOLVE)
       retval = qrsolve (*this, b, err);
 #else
       retval = dmsolve<Matrix, SparseMatrix, Matrix> (*this, b, err);
@@ -6877,7 +6877,7 @@
   if (singular_fallback && mattype.type (false) == MatrixType::Rectangular)
     {
       rcond = 1.;
-#ifdef USE_QRSOLVE
+#if defined (USE_QRSOLVE)
       retval = qrsolve (*this, b, err);
 #else
       retval = dmsolve<SparseMatrix, SparseMatrix, SparseMatrix>
@@ -6942,7 +6942,7 @@
   if (singular_fallback && mattype.type (false) == MatrixType::Rectangular)
     {
       rcond = 1.;
-#ifdef USE_QRSOLVE
+#if defined (USE_QRSOLVE)
       retval = qrsolve (*this, b, err);
 #else
       retval = dmsolve<ComplexMatrix, SparseMatrix, ComplexMatrix>
@@ -7007,7 +7007,7 @@
   if (singular_fallback && mattype.type (false) == MatrixType::Rectangular)
     {
       rcond = 1.;
-#ifdef USE_QRSOLVE
+#if defined (USE_QRSOLVE)
       retval = qrsolve (*this, b, err);
 #else
       retval = dmsolve<SparseComplexMatrix, SparseMatrix, SparseComplexMatrix>
--- a/liboctave/array/dim-vector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/dim-vector.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/dim-vector.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/dim-vector.h	Tue May 17 12:09:30 2016 -0400
@@ -238,7 +238,7 @@
 
   octave_idx_type& elem (int i)
   {
-#ifdef OCTAVE_ENABLE_BOUNDS_CHECK
+#if defined (OCTAVE_ENABLE_BOUNDS_CHECK)
     assert (i >= 0 && i < ndims ());
 #endif
     make_unique ();
@@ -247,7 +247,7 @@
 
   octave_idx_type elem (int i) const
   {
-#ifdef OCTAVE_ENABLE_BOUNDS_CHECK
+#if defined (OCTAVE_ENABLE_BOUNDS_CHECK)
     assert (i >= 0 && i < ndims ());
 #endif
     return rep[i];
--- a/liboctave/array/fCColVector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fCColVector.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/fCDiagMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fCDiagMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/fCMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fCMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/fCNDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fCNDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/fCRowVector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fCRowVector.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/fColVector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fColVector.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/fDiagMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fDiagMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/fMatrix.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fMatrix.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/fNDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fNDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/fRowVector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/fRowVector.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/idx-vector.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/idx-vector.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/int16NDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/int16NDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/int32NDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/int32NDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/int64NDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/int64NDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/int8NDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/int8NDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/uint16NDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/uint16NDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/uint32NDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/uint32NDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/uint64NDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/uint64NDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/array/uint8NDArray.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/array/uint8NDArray.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/cruft/Faddeeva/Faddeeva.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/Faddeeva/Faddeeva.cc	Tue May 17 12:09:30 2016 -0400
@@ -148,14 +148,14 @@
    (with various "HAVE_*" #defines to indicate features)
    if HAVE_CONFIG_H is #defined (in GNU autotools style). */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
 /////////////////////////////////////////////////////////////////////////
 // macros to allow us to use either C++ or C (with C99 features)
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 
 #  include "lo-ieee.h"
 
@@ -213,7 +213,7 @@
 // gnulib::floor and the system ::floor (and only on ancient OSF systems)
 // has to do with floor(-0), which doesn't occur in the usage below, but
 // the Octave developers prefer that we silence the warning.
-#  ifdef GNULIB_NAMESPACE
+#  if defined (GNULIB_NAMESPACE)
 #    define floor GNULIB_NAMESPACE::floor
 #    define log GNULIB_NAMESPACE::log
 #  endif
@@ -247,10 +247,10 @@
 #    define CMPLX(a,b) __builtin_complex((double) (a), (double) (b))
 #  endif
 
-#  ifdef CMPLX // C11
+#  if defined (CMPLX) // C11
 #    define C(a,b) CMPLX(a,b)
 #    define Inf INFINITY // C99 infinity
-#    ifdef NAN // GNU libc extension
+#    if defined (NAN) // GNU libc extension
 #      define NaN NAN
 #    else
 #      define NaN (0./0.) // NaN
@@ -1894,9 +1894,9 @@
 /////////////////////////////////////////////////////////////////////////
 
 // Compile with -DTEST_FADDEEVA to compile a little test program
-#ifdef TEST_FADDEEVA
+#if defined (TEST_FADDEEVA)
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 #  include <cstdio>
 #else
 #  include <stdio.h>
--- a/liboctave/cruft/misc/blaswrap.c	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/misc/blaswrap.c	Tue May 17 12:09:30 2016 -0400
@@ -38,11 +38,11 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h" /* USE_BLASWRAP ? */
 #endif
 
-#ifdef USE_BLASWRAP
+#if defined (USE_BLASWRAP)
 
 /*
  * vecLib is an Apple framework (collection of libraries) containing
@@ -52,7 +52,7 @@
  * get the Apple versions, rather than some other blas/lapack with the
  * same name.
  */
-#ifndef VECLIB_FILE
+#if ! defined (VECLIB_FILE)
 #  define VECLIB_FILE "/System/Library/Frameworks/vecLib.framework/Versions/A/vecLib"
 #endif
 
--- a/liboctave/cruft/misc/cquit.c	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/misc/cquit.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/cruft/misc/f77-extern.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/misc/f77-extern.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/cruft/misc/f77-fcn.c	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/misc/f77-fcn.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/cruft/misc/f77-fcn.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/misc/f77-fcn.h	Tue May 17 12:09:30 2016 -0400
@@ -27,7 +27,7 @@
 
 #include "quit.h"
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C" {
 #endif
 
@@ -190,7 +190,7 @@
 
 typedef void *octave_cray_ftn_ch_dsc;
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 #  define OCTAVE_F77_FCN_INLINE inline
 #else
 #  define OCTAVE_F77_FCN_INLINE
@@ -214,7 +214,7 @@
   return *((octave_cray_ftn_ch_dsc *) &desc);
 }
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 #  undef OCTAVE_F77_FCN_INLINE
 #endif
 
@@ -290,7 +290,7 @@
 F77_FUNC (xstopx, XSTOPX) (F77_CONST_CHAR_ARG_DECL
                            F77_CHAR_ARG_LEN_DECL);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/liboctave/cruft/misc/lo-error.c	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/misc/lo-error.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/cruft/misc/lo-error.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/misc/lo-error.h	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 
 #include "octave-config.h"
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C" {
 #endif
 
@@ -71,7 +71,7 @@
 OCTAVE_API extern void
 set_liboctave_warning_with_id_handler (liboctave_warning_with_id_handler f);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/liboctave/cruft/misc/quit.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/misc/quit.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/cruft/misc/quit.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/cruft/misc/quit.h	Tue May 17 12:09:30 2016 -0400
@@ -30,7 +30,7 @@
 #include <signal.h>
 #include <setjmp.h>
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 #  include <new>
 #  include <string>
 extern "C" {
@@ -74,7 +74,7 @@
 
 OCTAVE_API extern void octave_restore_signal_mask (void);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 class
 octave_execution_exception
 {
@@ -151,7 +151,7 @@
 
 OCTAVE_API extern void octave_rethrow_exception (void);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 inline void octave_quit (void)
 {
   if (octave_signal_caught)
@@ -222,7 +222,7 @@
     } \
   while (0)
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 
 #define BEGIN_INTERRUPT_WITH_EXCEPTIONS \
   sig_atomic_t saved_octave_interrupt_immediately = octave_interrupt_immediately; \
@@ -254,7 +254,7 @@
   octave_interrupt_immediately = saved_octave_interrupt_immediately
 #endif
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 
 /* These should only be declared for C++ code, and should also be
--- a/liboctave/liboctave-build-info.in.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/liboctave-build-info.in.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/CollocWt.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/CollocWt.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/DASPK.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/DASPK.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/DASRT.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/DASRT.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/DASSL.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/DASSL.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/EIG.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/EIG.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/LSODE.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/LSODE.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/ODES.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/ODES.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/Quad.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/Quad.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/aepbalance.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/aepbalance.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/chol.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/chol.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -70,7 +70,7 @@
                              double&, double*, octave_idx_type*,
                              octave_idx_type&
                              F77_CHAR_ARG_LEN_DECL);
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
   F77_RET_T
   F77_FUNC (dch1up, DCH1UP) (const octave_idx_type&, double*,
@@ -116,7 +116,7 @@
                              float&, float*, octave_idx_type*,
                              octave_idx_type&
                              F77_CHAR_ARG_LEN_DECL);
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
   F77_RET_T
   F77_FUNC (sch1up, SCH1UP) (const octave_idx_type&, float*,
@@ -160,7 +160,7 @@
                              const octave_idx_type&, const double&,
                              double&, Complex*, double*, octave_idx_type&
                              F77_CHAR_ARG_LEN_DECL);
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
   F77_RET_T
   F77_FUNC (zch1up, ZCH1UP) (const octave_idx_type&, Complex*,
@@ -204,7 +204,7 @@
                              const octave_idx_type&, const float&,
                              float&, FloatComplex*, float*, octave_idx_type&
                              F77_CHAR_ARG_LEN_DECL);
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
   F77_RET_T
   F77_FUNC (cch1up, CCH1UP) (const octave_idx_type&, FloatComplex*,
@@ -835,7 +835,7 @@
   return info;
 }
 
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
 template <>
 void
@@ -1003,7 +1003,7 @@
   return info;
 }
 
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
 template <>
 void
@@ -1174,7 +1174,7 @@
   return info;
 }
 
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
 template <>
 void
--- a/liboctave/numeric/eigs-base.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/eigs-base.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -43,7 +43,7 @@
 #include "sparse-chol.h"
 #include "sparse-lu.h"
 
-#ifdef HAVE_ARPACK
+#if defined (HAVE_ARPACK)
 
 // Arpack and blas fortran functions we call.
 extern "C"
--- a/liboctave/numeric/fEIG.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/fEIG.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/gepbalance.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/gepbalance.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/hess.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/hess.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/lo-mappers.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/lo-mappers.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/lo-specfun.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/lo-specfun.cc	Tue May 17 12:09:30 2016 -0400
@@ -24,7 +24,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/lu.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/lu.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -45,7 +45,7 @@
                              double*, const octave_idx_type&,
                              octave_idx_type*, octave_idx_type&);
 
-#ifdef HAVE_QRUPDATE_LUU
+#if defined (HAVE_QRUPDATE_LUU)
   F77_RET_T
   F77_FUNC (dlu1up, DLU1UP) (const octave_idx_type&, const octave_idx_type&,
                              double *, const octave_idx_type&,
@@ -65,7 +65,7 @@
                              float*, const octave_idx_type&, octave_idx_type*,
                              octave_idx_type&);
 
-#ifdef HAVE_QRUPDATE_LUU
+#if defined (HAVE_QRUPDATE_LUU)
   F77_RET_T
   F77_FUNC (slu1up, SLU1UP) (const octave_idx_type&, const octave_idx_type&,
                              float *, const octave_idx_type&,
@@ -85,7 +85,7 @@
                              Complex*, const octave_idx_type&,
                              octave_idx_type*, octave_idx_type&);
 
-#ifdef HAVE_QRUPDATE_LUU
+#if defined (HAVE_QRUPDATE_LUU)
   F77_RET_T
   F77_FUNC (zlu1up, ZLU1UP) (const octave_idx_type&, const octave_idx_type&,
                              Complex *, const octave_idx_type&,
@@ -105,7 +105,7 @@
                              FloatComplex*, const octave_idx_type&,
                              octave_idx_type*, octave_idx_type&);
 
-#ifdef HAVE_QRUPDATE_LUU
+#if defined (HAVE_QRUPDATE_LUU)
   F77_RET_T
   F77_FUNC (clu1up, CLU1UP) (const octave_idx_type&, const octave_idx_type&,
                              FloatComplex *, const octave_idx_type&,
@@ -348,7 +348,7 @@
     pipvt[i] -= 1;
 }
 
-#ifdef HAVE_QRUPDATE_LUU
+#if defined (HAVE_QRUPDATE_LUU)
 
 template <>
 void
@@ -482,7 +482,7 @@
     pipvt[i] -= 1;
 }
 
-#ifdef HAVE_QRUPDATE_LUU
+#if defined (HAVE_QRUPDATE_LUU)
 
 template <>
 void
@@ -618,7 +618,7 @@
     pipvt[i] -= 1;
 }
 
-#ifdef HAVE_QRUPDATE_LUU
+#if defined (HAVE_QRUPDATE_LUU)
 
 template <>
 void
@@ -754,7 +754,7 @@
     pipvt[i] -= 1;
 }
 
-#ifdef HAVE_QRUPDATE_LUU
+#if defined (HAVE_QRUPDATE_LUU)
 
 template <>
 void
--- a/liboctave/numeric/oct-convn.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/oct-convn.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/oct-fftw.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/oct-fftw.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/oct-norm.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/oct-norm.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 // author: Jaroslav Hajek <highegg@gmail.com>
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/oct-rand.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/oct-rand.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/oct-spparms.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/oct-spparms.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/qr.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/qr.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -225,7 +225,7 @@
                              FloatComplex*, const octave_idx_type&,
                              octave_idx_type&);
 
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
   F77_RET_T
   F77_FUNC (cqr1up, CQR1UP) (const octave_idx_type&, const octave_idx_type&,
@@ -1051,7 +1051,7 @@
   form (n, afact, tau, qr_type);
 }
 
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
 template <>
 void
@@ -1777,7 +1777,7 @@
   form (n, afact, tau, qr_type);
 }
 
-#ifdef HAVE_QRUPDATE
+#if defined (HAVE_QRUPDATE)
 
 template <>
 void
--- a/liboctave/numeric/qrp.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/qrp.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/randmtzig.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/randmtzig.cc	Tue May 17 12:09:30 2016 -0400
@@ -159,7 +159,7 @@
 #include <cstdio>
 #include <ctime>
 
-#ifdef HAVE_GETTIMEOFDAY
+#if defined (HAVE_GETTIMEOFDAY)
 #  include <sys/time.h>
 #endif
 
@@ -279,7 +279,7 @@
     entropy[n++] = time (0); /* Current time in seconds */
   if (n < MT_N)
     entropy[n++] = clock ();    /* CPU time used (usec) */
-#ifdef HAVE_GETTIMEOFDAY
+#if defined (HAVE_GETTIMEOFDAY)
   if (n < MT_N)
     {
       struct timeval tv;
@@ -362,7 +362,7 @@
 {
   const uint32_t lo = randi32 ();
   const uint32_t hi = randi32 () & 0x1FFFFF;
-#ifdef HAVE_X86_32
+#if defined (HAVE_X86_32)
   uint64_t u;
   uint32_t *p = (uint32_t *)&u;
   p[0] = lo;
@@ -378,7 +378,7 @@
 {
   const uint32_t lo = randi32 ();
   const uint32_t hi = randi32 () & 0x3FFFFF;
-#ifdef HAVE_X86_32
+#if defined (HAVE_X86_32)
   uint64_t u;
   uint32_t *p = static_cast<uint32_t *> (&u);
   p[0] = lo;
@@ -577,7 +577,7 @@
        * Of course, different compilers and operating systems may
        * have something to do with this.
        */
-# ifdef HAVE_X86_32
+# if defined (HAVE_X86_32)
       /* 53-bit mantissa, 1-bit sign, x86 32-bit architecture */
       double x;
       int si,idx;
--- a/liboctave/numeric/randpoisson.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/randpoisson.cc	Tue May 17 12:09:30 2016 -0400
@@ -55,7 +55,7 @@
 xlgamma (double x)
 {
   double result;
-#ifdef HAVE_LGAMMA
+#if defined (HAVE_LGAMMA)
   result = lgamma (x);
 #else
   double sgngam;
--- a/liboctave/numeric/schur.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/schur.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/sparse-chol.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/sparse-chol.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -41,14 +41,14 @@
 
   sparse_chol_rep (void)
     : count (1), is_pd (false), minor_p (0), perms (), cond (0)
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
       , Lsparse (0), Common ()
 #endif
   { }
 
   sparse_chol_rep (const chol_type& a, bool natural, bool force)
     : count (1), is_pd (false), minor_p (0), perms (), cond (0)
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
       , Lsparse (0), Common ()
 #endif
   {
@@ -58,7 +58,7 @@
   sparse_chol_rep (const chol_type& a, octave_idx_type& info,
                    bool natural, bool force)
     : count (1), is_pd (false), minor_p (0), perms (), cond (0)
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
       , Lsparse (0), Common ()
 #endif
   {
@@ -67,7 +67,7 @@
 
   ~sparse_chol_rep (void)
   {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
     if (Lsparse)
       CHOLMOD_NAME (free_sparse) (&Lsparse, &Common);
 
@@ -75,7 +75,7 @@
 #endif
   }
 
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
   cholmod_sparse *L (void) const
   {
     return Lsparse;
@@ -84,7 +84,7 @@
 
   octave_idx_type P (void) const
   {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
     return (minor_p == static_cast<octave_idx_type>(Lsparse->ncol) ?
             0 : minor_p + 1);
 #else
@@ -112,7 +112,7 @@
 
   double cond;
 
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
   cholmod_sparse *Lsparse;
 
   cholmod_common Common;
@@ -129,7 +129,7 @@
   sparse_chol_rep& operator = (const sparse_chol_rep&);
 };
 
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
 
 // Can't use CHOLMOD_NAME(drop)(0.0, S, cm) because it doesn't treat
 // complex matrices.
@@ -202,7 +202,7 @@
 {
   volatile octave_idx_type info = 0;
 
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
 
   octave_idx_type a_nr = a.rows ();
   octave_idx_type a_nc = a.cols ();
@@ -350,7 +350,7 @@
 SparseMatrix
 sparse_chol<chol_type>::sparse_chol_rep::Q (void) const
 {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
 
   octave_idx_type n = Lsparse->nrow;
   SparseMatrix p (n, n, n);
@@ -439,7 +439,7 @@
 chol_type
 sparse_chol<chol_type>::L (void) const
 {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
 
   cholmod_sparse *m = rep->L ();
 
@@ -507,7 +507,7 @@
 {
   chol_type retval;
 
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
 
   cholmod_sparse *m = rep->L ();
   octave_idx_type n = m->ncol;
--- a/liboctave/numeric/sparse-dmsolve.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/sparse-dmsolve.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -344,7 +344,7 @@
     }
 }
 
-#ifdef HAVE_CXSPARSE
+#if defined (HAVE_CXSPARSE)
 
 static void
 solve_singularity_warning (double)
@@ -361,7 +361,7 @@
 {
   RT retval;
 
-#ifdef HAVE_CXSPARSE
+#if defined (HAVE_CXSPARSE)
 
   octave_idx_type nr = a.rows ();
   octave_idx_type nc = a.cols ();
--- a/liboctave/numeric/sparse-lu.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/sparse-lu.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -378,7 +378,7 @@
                                bool scale)
   : Lfact (), Ufact (), Rfact (), cond (0), P (), Q ()
 {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
   octave_idx_type nr = a.rows ();
   octave_idx_type nc = a.cols ();
 
@@ -571,7 +571,7 @@
                                bool milu, bool udiag)
   : Lfact (), Ufact (), Rfact (), cond (0), P (), Q ()
 {
-#ifdef HAVE_UMFPACK
+#if defined (HAVE_UMFPACK)
 
   if (milu)
     (*current_liboctave_error_handler)
--- a/liboctave/numeric/sparse-qr.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/sparse-qr.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/numeric/svd.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/numeric/svd.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/operators/mk-ops.awk	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/operators/mk-ops.awk	Tue May 17 12:09:30 2016 -0400
@@ -293,7 +293,7 @@
             {
               print "// DO NOT EDIT -- generated by mk-ops.awk";
 
-              print "#ifdef HAVE_CONFIG_H";
+              print "#if defined (HAVE_CONFIG_H)";
               print "#  include \"config.h\"";
               print "#endif";
 
--- a/liboctave/operators/mx-defs.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/operators/mx-defs.h	Tue May 17 12:09:30 2016 -0400
@@ -83,7 +83,7 @@
 
 #include "oct-cmplx.h"
 
-#ifndef MAPPER_FCN_TYPEDEFS
+#if ! defined (MAPPER_FCN_TYPEDEFS)
 #  define MAPPER_FCN_TYPEDEFS 1
 
 typedef bool (*b_d_Mapper)(double);
--- a/liboctave/system/dir-ops.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/dir-ops.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/system/file-ops.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/file-ops.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/system/file-stat.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/file-stat.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -85,7 +85,7 @@
 bool
 base_file_stat::is_blk (mode_t mode)
 {
-#ifdef S_ISBLK
+#if defined (S_ISBLK)
   return S_ISBLK (mode);
 #else
   return false;
@@ -95,7 +95,7 @@
 bool
 base_file_stat::is_chr (mode_t mode)
 {
-#ifdef S_ISCHR
+#if defined (S_ISCHR)
   return S_ISCHR (mode);
 #else
   return false;
@@ -105,7 +105,7 @@
 bool
 base_file_stat::is_dir (mode_t mode)
 {
-#ifdef S_ISDIR
+#if defined (S_ISDIR)
   return S_ISDIR (mode);
 #else
   return false;
@@ -115,7 +115,7 @@
 bool
 base_file_stat::is_fifo (mode_t mode)
 {
-#ifdef S_ISFIFO
+#if defined (S_ISFIFO)
   return S_ISFIFO (mode);
 #else
   return false;
@@ -125,7 +125,7 @@
 bool
 base_file_stat::is_lnk (mode_t mode)
 {
-#ifdef S_ISLNK
+#if defined (S_ISLNK)
   return S_ISLNK (mode);
 #else
   return false;
@@ -135,7 +135,7 @@
 bool
 base_file_stat::is_reg (mode_t mode)
 {
-#ifdef S_ISREG
+#if defined (S_ISREG)
   return S_ISREG (mode);
 #else
   return false;
@@ -145,7 +145,7 @@
 bool
 base_file_stat::is_sock (mode_t mode)
 {
-#ifdef S_ISSOCK
+#if defined (S_ISSOCK)
   return S_ISSOCK (mode);
 #else
   return false;
--- a/liboctave/system/lo-sysdep.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/lo-sysdep.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/system/mach-info.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/mach-info.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/system/oct-env.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/oct-env.cc	Tue May 17 12:09:30 2016 -0400
@@ -36,7 +36,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/system/oct-group.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/oct-group.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,13 +20,13 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
 #include <sys/types.h>
 
-#ifdef HAVE_GRP_H
+#if defined (HAVE_GRP_H)
 #  include <grp.h>
 #endif
 
--- a/liboctave/system/oct-passwd.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/oct-passwd.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,13 +20,13 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
 #include <sys/types.h>
 
-#ifdef HAVE_PWD_H
+#if defined (HAVE_PWD_H)
 #  include <pwd.h>
 #endif
 
--- a/liboctave/system/oct-syscalls.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/oct-syscalls.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/system/oct-time.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/oct-time.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/system/oct-uname.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/oct-uname.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/system/pathlen.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/pathlen.h	Tue May 17 12:09:30 2016 -0400
@@ -25,11 +25,11 @@
 
 #include "octave-config.h"
 
-#ifdef HAVE_SYS_PARAM_H
+#if defined (HAVE_SYS_PARAM_H)
 #  include <sys/param.h>
 #endif
 
-#ifndef MAXPATHLEN
+#if ! defined (MAXPATHLEN)
 #  define MAXPATHLEN 1024
 #endif
 
--- a/liboctave/system/syswait.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/system/syswait.h	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 
 #include "octave-config.h"
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C" {
 #endif
 
@@ -37,15 +37,15 @@
 #  include <sys/wait.h>
 #endif
 
-#ifndef WIFEXITED
+#if ! defined (WIFEXITED)
 #  define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
 #endif
 
-#ifndef WEXITSTATUS
+#if ! defined (WEXITSTATUS)
 #  define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
 #endif
 
-#ifndef WIFSIGNALLED
+#if ! defined (WIFSIGNALLED)
 #  define WIFSIGNALLED(stat_val) \
           (((stat_val) & 0177) != 0177 && ((stat_val) & 0177) != 0)
 #endif
@@ -60,7 +60,7 @@
 #  define WAITPID(a, b, c) waitpid (a, b, c)
 #endif
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/liboctave/util/cmd-edit.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/cmd-edit.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/cmd-hist.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/cmd-hist.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/data-conv.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/data-conv.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/f2c-main.c	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/f2c-main.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -31,8 +31,8 @@
    Fortran libraries.  See the AC_F77_DUMMY_MAIN macro documentation.
    This function should never be called. */
 
-#ifdef F77_DUMMY_MAIN
-#  ifdef __cplusplus
+#if defined (F77_DUMMY_MAIN)
+#  if defined (__cplusplus)
 extern "C"
 #  endif
 int F77_DUMMY_MAIN () { assert (0); return 1; }
--- a/liboctave/util/glob-match.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/glob-match.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/kpse.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/kpse.cc	Tue May 17 12:09:30 2016 -0400
@@ -53,13 +53,13 @@
 #include <fcntl.h>
 #include <dirent.h>
 #elif defined (WIN32)
-#ifndef _MSC_VER
+#if ! defined (_MSC_VER)
 #define __STDC__ 1
 #include "win32lib.h"
 #endif
 #endif /* not WIN32 */
 
-#ifdef __DJGPP__
+#if defined (__DJGPP__)
 #include <fcntl.h>      /* for long filenames' stuff */
 #include <dir.h>        /* for 'getdisk' */
 #include <io.h>         /* for 'setmode' */
@@ -67,7 +67,7 @@
 }
 
 /* Some drivers have partially integrated kpathsea changes.  */
-#ifndef KPATHSEA
+#if ! defined (KPATHSEA)
 #define KPATHSEA 32
 #endif
 
@@ -85,7 +85,7 @@
 #define ST_NLINK_TRICK
 #endif /* either not DOSISH or __DJGPP__ */
 
-#ifdef OS2
+#if defined (OS2)
 #define access ln_access
 #define fopen ln_fopen
 #define rename ln_rename
@@ -96,8 +96,8 @@
    filenames and environment variable paths.  */
 
 /* What separates filename components?  */
-#ifndef DIR_SEP
-#ifdef DOSISH
+#if ! defined (DIR_SEP)
+#if defined (DOSISH)
 /* Either \'s or 's work.  Wayne Sullivan's web2pc prefers /, so we'll
    go with that.  */
 #define DIR_SEP '/'
@@ -112,13 +112,14 @@
 #endif /* not DOSISH */
 #endif /* not DIR_SEP */
 
-#ifndef IS_DIR_SEP
+#if ! defined (IS_DIR_SEP)
 #define IS_DIR_SEP(ch) ((ch) == DIR_SEP)
 #endif
-#ifndef IS_DEVICE_SEP /* No 'devices' on, e.g., Unix.  */
+#if ! defined (IS_DEVICE_SEP)
+/* No 'devices' on, e.g., Unix.  */
 #define IS_DEVICE_SEP(ch) 0
 #endif
-#ifndef NAME_BEGINS_WITH_DEVICE
+#if ! defined (NAME_BEGINS_WITH_DEVICE)
 #define NAME_BEGINS_WITH_DEVICE(name) 0
 #endif
 
@@ -148,18 +149,18 @@
 
 /* Most likely the system will truncate filenames if it is not POSIX,
    and so we can use the BSD value here.  */
-#ifndef _POSIX_NAME_MAX
+#if ! defined (_POSIX_NAME_MAX)
 #define _POSIX_NAME_MAX 255
 #endif
 
-#ifndef NAME_MAX
+#if ! defined (NAME_MAX)
 #define NAME_MAX _POSIX_NAME_MAX
 #endif
 
 #include <cctype>
 
 /* What separates elements in environment variable path lists?  */
-#ifndef ENV_SEP
+#if ! defined (ENV_SEP)
 #if defined (SEPCHAR) && defined (SEPCHAR_STR)
 #define ENV_SEP SEPCHAR
 #define ENV_SEP_STRING SEPCHAR_STR
@@ -172,7 +173,7 @@
 #endif /* not DOS */
 #endif /* not ENV_SEP */
 
-#ifndef IS_ENV_SEP
+#if ! defined (IS_ENV_SEP)
 #define IS_ENV_SEP(ch) ((ch) == ENV_SEP)
 #endif
 
@@ -183,12 +184,12 @@
 /* Cheat and define this as a manifest constant no matter what, instead
    of using pathconf.  I forget why we want to do this.  */
 
-#ifndef _POSIX_PATH_MAX
+#if ! defined (_POSIX_PATH_MAX)
 #define _POSIX_PATH_MAX 255
 #endif
 
-#ifndef PATH_MAX
-#ifdef MAXPATHLEN
+#if ! defined (PATH_MAX)
+#if defined (MAXPATHLEN)
 #define PATH_MAX MAXPATHLEN
 #else
 #define PATH_MAX _POSIX_PATH_MAX
@@ -196,7 +197,7 @@
 #endif /* not PATH_MAX */
 
 /* If NO_DEBUG is defined (not recommended), skip all this.  */
-#ifndef NO_DEBUG
+#if ! defined (NO_DEBUG)
 
 /* OK, we'll have tracing support.  */
 #define KPSE_DEBUG
@@ -230,7 +231,7 @@
 
 #endif /* not NO_DEBUG */
 
-#ifdef KPSE_DEBUG
+#if defined (KPSE_DEBUG)
 static unsigned int kpathsea_debug = 0;
 #endif
 
@@ -243,11 +244,11 @@
  *      Define all the symbols that apply correctly.
  */
 
-#ifndef DOSISH
+#if ! defined (DOSISH)
 #define DOSISH
 #endif
 
-#ifndef MAXPATHLEN
+#if ! defined (MAXPATHLEN)
 #define MAXPATHLEN      _MAX_PATH
 #endif
 
@@ -300,7 +301,7 @@
     } \
   while (0)
 
-#ifndef WIN32
+#if ! defined (WIN32)
 static void xclosedir (DIR *d);
 #endif
 
@@ -419,7 +420,7 @@
     if (key == p->key)
       ret.append (p->value);
 
-#ifdef KPSE_DEBUG
+#if defined (KPSE_DEBUG)
   if (KPSE_DEBUG_P (KPSE_DEBUG_HASH))
     {
       DEBUGF1 ("hash_lookup (%s) =>", key.c_str ());
@@ -520,7 +521,7 @@
   if (! tmp.empty ())
     ret = kpse_var_expand (tmp);
 
-#ifdef KPSE_DEBUG
+#if defined (KPSE_DEBUG)
   if (KPSE_DEBUG_P (KPSE_DEBUG_VARS))
     DEBUGF2 ("variable: %s = %s\n", var.c_str (),
              tmp.empty () ? "(nil)" :  tmp.c_str ());
@@ -570,7 +571,7 @@
    regular file, as it is potentially useful to read fifo's or some
    kinds of devices.  */
 
-#ifdef WIN32
+#if defined (WIN32)
 static inline bool
 READABLE (const std::string& fn, struct stat&)
 {
@@ -604,7 +605,7 @@
     {
       ret = name;
 
-#ifdef ENAMETOOLONG
+#if defined (ENAMETOOLONG)
     }
   else if (errno == ENAMETOOLONG)
     {
@@ -645,11 +646,11 @@
   size_t len = filename.length ();
 
   int absolute = (len > 0 && IS_DIR_SEP (filename[0]))
-#ifdef DOSISH
+#if defined (DOSISH)
                  /* Novell allows non-alphanumeric drive letters. */
                  || (len > 0 && IS_DEVICE_SEP (filename[1]))
 #endif /* DOSISH */
-#ifdef WIN32
+#if defined (WIN32)
                  /* UNC names */
                  || (len > 1 && filename[0] == '\\' && filename[1] == '\\')
 #endif
@@ -1231,7 +1232,7 @@
          OS/2 doesn't have this concept.  */
     }
   else
-#ifdef HAVE_PWD_H
+#if defined (HAVE_PWD_H)
     {
       unsigned c = 2;
 
@@ -1920,7 +1921,7 @@
           std::string db_file = db_dirs[j] + atry;
           bool matched = match (db_file, path_elt);
 
-#ifdef KPSE_DEBUG
+#if defined (KPSE_DEBUG)
           if (KPSE_DEBUG_P (KPSE_DEBUG_SEARCH))
             DEBUGF3 ("db:match (%s,%s) = %d\n",
                      db_file.c_str (), path_elt.c_str (), matched);
@@ -2056,7 +2057,7 @@
 static bool
 dir_p (const std::string& fn)
 {
-#ifdef WIN32
+#if defined (WIN32)
   unsigned int fa = GetFileAttributes (fn.c_str ());
   return (fa != 0xFFFFFFFF && (fa & FILE_ATTRIBUTE_DIRECTORY));
 #else
@@ -2146,7 +2147,7 @@
    subdirectories of ELT (up to ELT_LENGTH, which must be a /) to
    STR_LIST_PTR.  */
 
-#ifdef WIN32
+#if defined (WIN32)
 
 /* Shared across recursive calls, it acts like a stack. */
 static std::string dirname;
@@ -2175,7 +2176,7 @@
 
       link_table[fn] = ret;
 
-#ifdef KPSE_DEBUG
+#if defined (KPSE_DEBUG)
       if (KPSE_DEBUG_P (KPSE_DEBUG_STAT))
         DEBUGF2 ("dir_links (%s) => %ld\n", fn.c_str (), ret);
 #endif
@@ -2190,7 +2191,7 @@
 do_subdir (str_llist_type *str_list_ptr, const std::string& elt,
            unsigned elt_length, const std::string& post)
 {
-#ifdef WIN32
+#if defined (WIN32)
   WIN32_FIND_DATA find_file_data;
   HANDLE hnd;
   int proceed;
@@ -2300,16 +2301,16 @@
                  the only alternative I know of is to stat every entry
                  in the directory, and that is unacceptably slow.
 
-                 The #ifdef here makes all this configurable at
+                 The #if here makes all this configurable at
                  compile-time, so that if we're using VMS directories or
                  some such, we can still find subdirectories, even if it
                  is much slower.  */
-#ifdef ST_NLINK_TRICK
+#if defined (ST_NLINK_TRICK)
               if (links != 2)
 #endif /* not ST_NLINK_TRICK */
                 /* All criteria are met; find subdirectories.  */
                 do_subdir (str_list_ptr, name, potential_len, post);
-#ifdef ST_NLINK_TRICK
+#if defined (ST_NLINK_TRICK)
               else if (post.empty ())
                 /* Nothing to match, no recursive subdirectories to
                    look for: we're done with this branch.  Add it.  */
@@ -2407,7 +2408,7 @@
      made with the same ELT.  */
   cache (elt, ret);
 
-#ifdef KPSE_DEBUG
+#if defined (KPSE_DEBUG)
   if (KPSE_DEBUG_P (KPSE_DEBUG_EXPAND))
     {
       DEBUGF1 ("path element %s =>", elt.c_str ());
@@ -2425,7 +2426,7 @@
   return ret;
 }
 
-#ifndef WIN32
+#if ! defined (WIN32)
 void
 xclosedir (DIR *d)
 {
@@ -2566,16 +2567,19 @@
 
 /* Can't think of when it would be useful to change these (and the
    diagnostic messages assume them), but ... */
-#ifndef IS_VAR_START /* starts all variable references */
+#if ! defined (IS_VAR_START)
+/* starts all variable references */
 #define IS_VAR_START(c) ((c) == '$')
 #endif
-#ifndef IS_VAR_CHAR  /* variable name constituent */
+#if ! defined (IS_VAR_CHAR)
+/* variable name constituent */
 #define IS_VAR_CHAR(c) (isalnum (c) || (c) == '_')
 #endif
-#ifndef IS_VAR_BEGIN_DELIMITER /* start delimited variable name (after $) */
+#if ! defined (IS_VAR_BEGIN_DELIMITER)
+/* start delimited variable name (after $) */
 #define IS_VAR_BEGIN_DELIMITER(c) ((c) == '{')
 #endif
-#ifndef IS_VAR_END_DELIMITER
+#if ! defined (IS_VAR_END_DELIMITER)
 #define IS_VAR_END_DELIMITER(c) ((c) == '}')
 #endif
 
--- a/liboctave/util/lo-array-errwarn.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/lo-array-errwarn.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/lo-array-gripes.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/lo-array-gripes.cc	Tue May 17 12:09:30 2016 -0400
@@ -23,7 +23,7 @@
 
 // FIXME: All gripe_XXX functions deprecated in 4.2.  Remove file in 4.6
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/lo-cutils.c	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/lo-cutils.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/lo-cutils.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/lo-cutils.h	Tue May 17 12:09:30 2016 -0400
@@ -27,7 +27,7 @@
 
 #include <sys/types.h>
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C" {
 #endif
 
@@ -53,7 +53,7 @@
 OCTAVE_API int octave_wstopsig (int status);
 OCTAVE_API int octave_wifcontinued (int status);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/liboctave/util/lo-ieee.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/lo-ieee.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/lo-ieee.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/lo-ieee.h	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 
 #include "octave-config.h"
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C" {
 #endif
 
@@ -96,7 +96,7 @@
 
 extern OCTAVE_API int __lo_ieee_float_signbit (float);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
@@ -115,7 +115,7 @@
 #define lo_ieee_signbit(x) (sizeof (x) == sizeof (float) ? \
                           __lo_ieee_float_signbit (x) : __lo_ieee_signbit (x))
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 
 namespace
 octave
--- a/liboctave/util/lo-regexp.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/lo-regexp.cc	Tue May 17 12:09:30 2016 -0400
@@ -22,7 +22,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/lo-utils.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/lo-utils.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/oct-base64.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-base64.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/oct-glob.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-glob.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/oct-inttypes.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-inttypes.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -103,9 +103,9 @@
 INSTANTIATE_CONVERT_REAL (long double);
 #endif
 
-#ifdef OCTAVE_INT_USE_LONG_DOUBLE
+#if defined (OCTAVE_INT_USE_LONG_DOUBLE)
 
-#ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
+#if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
 
 #define DEFINE_OCTAVE_LONG_DOUBLE_CMP_OP_TEMPLATES(T) \
   template <typename xop> \
--- a/liboctave/util/oct-inttypes.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-inttypes.h	Tue May 17 12:09:30 2016 -0400
@@ -35,7 +35,7 @@
 #include "lo-math.h"
 #include "lo-mappers.h"
 
-#ifdef OCTAVE_INT_USE_LONG_DOUBLE
+#if defined (OCTAVE_INT_USE_LONG_DOUBLE)
 inline long double xround (long double x) { return roundl (x); }
 inline long double xisnan (long double x)
 { return xisnan (static_cast<double> (x)); }
@@ -178,7 +178,7 @@
   mop (double x, T y)
   { return xop::op (x, static_cast<double> (y)); }
 
-#ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
+#if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
 #  define DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS(T) \
      template <typename xop> static OCTAVE_API bool \
      external_mop (double, T); \
@@ -192,8 +192,8 @@
   // Typecasting to doubles won't work properly for 64-bit integers --
   // they lose precision.
   // If we have long doubles, use them...
-#ifdef OCTAVE_INT_USE_LONG_DOUBLE
-#  ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
+#if defined (OCTAVE_INT_USE_LONG_DOUBLE)
+#  if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
 #    define DEFINE_LONG_DOUBLE_CMP_OP(T) \
        template <typename xop> \
        static bool \
@@ -429,11 +429,11 @@
   }
 };
 
-#ifdef OCTAVE_INT_USE_LONG_DOUBLE
+#if defined (OCTAVE_INT_USE_LONG_DOUBLE)
 
 // Handle 64-bit multiply using long double
 
-#ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
+#if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
 
 extern OCTAVE_API uint64_t
 octave_external_uint64_uint64_mul (uint64_t, uint64_t);
@@ -460,7 +460,7 @@
 inline uint64_t
 octave_int_arith_base<uint64_t, false>::mul (uint64_t x, uint64_t y)
 {
-#ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
+#if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
   return octave_external_uint64_uint64_mul (x, y);
 #else
   return mul_internal (x, y);
@@ -753,11 +753,11 @@
   }
 };
 
-#ifdef OCTAVE_INT_USE_LONG_DOUBLE
+#if defined (OCTAVE_INT_USE_LONG_DOUBLE)
 
 // Handle 64-bit multiply using long double
 
-#ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
+#if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
 
 extern OCTAVE_API int64_t
 octave_external_int64_int64_mul (int64_t, int64_t);
@@ -789,7 +789,7 @@
 inline int64_t
 octave_int_arith_base<int64_t, true>::mul (int64_t x, int64_t y)
 {
-#ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
+#if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
   return octave_external_int64_int64_mul (x, y);
 #else
   return mul_internal (x, y);
@@ -833,7 +833,7 @@
 
   octave_int (float d) : ival (octave_int_base<T>::convert_real (d)) { }
 
-#ifdef OCTAVE_INT_USE_LONG_DOUBLE
+#if defined (OCTAVE_INT_USE_LONG_DOUBLE)
   octave_int (long double d) : ival (octave_int_base<T>::convert_real (d)) { }
 #endif
 
@@ -1104,7 +1104,7 @@
 typedef octave_int<uint32_t> octave_uint32;
 typedef octave_int<uint64_t> octave_uint64;
 
-#ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
+#if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
 
 #define DECLARE_EXTERNAL_LONG_DOUBLE_OP(T, OP) \
   extern OCTAVE_API T \
@@ -1133,9 +1133,9 @@
   operator OP (const double& x, const octave_int<T>& y) \
   { return octave_int<T> (x OP static_cast<double> (y)); }
 
-#ifdef OCTAVE_INT_USE_LONG_DOUBLE
+#if defined (OCTAVE_INT_USE_LONG_DOUBLE)
 // Handle mixed op using long double
-#ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
+#if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED)
 #  define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
   OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
   template <> \
--- a/liboctave/util/oct-locbuf.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-locbuf.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -31,7 +31,7 @@
 
 // FIXME: Maybe we should querying for available physical memory?
 
-#ifndef OCTAVE_LOCBUF_CHUNKSIZE_MB
+#if ! defined (OCTAVE_LOCBUF_CHUNKSIZE_MB)
 #  define OCTAVE_LOCBUF_CHUNKSIZE_MB 32
 #endif
 
--- a/liboctave/util/oct-mutex.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-mutex.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/oct-rl-edit.c	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-rl-edit.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/oct-rl-edit.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-rl-edit.h	Tue May 17 12:09:30 2016 -0400
@@ -45,7 +45,7 @@
 
 typedef int (*rl_command_fcn_ptr) (int, int);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C"
 {
 #endif
@@ -170,7 +170,7 @@
 
 extern int octave_rl_meta (char);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/liboctave/util/oct-rl-hist.c	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-rl-hist.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/oct-rl-hist.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-rl-hist.h	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 
 #include "octave-config.h"
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 extern "C"
 {
 #endif
@@ -78,7 +78,7 @@
 
 extern void octave_replace_history_entry (int, const char *);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/liboctave/util/oct-shlib.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-shlib.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/oct-sort.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/oct-sort.cc	Tue May 17 12:09:30 2016 -0400
@@ -1507,12 +1507,12 @@
 void
 octave_sort<T>::sort (T *data, octave_idx_type nel)
 {
-#ifdef INLINE_ASCENDING_SORT
+#if defined (INLINE_ASCENDING_SORT)
   if (compare == ascending_compare)
     sort (data, nel, std::less<T> ());
   else
 #endif
-#ifdef INLINE_DESCENDING_SORT
+#if defined (INLINE_DESCENDING_SORT)
     if (compare == descending_compare)
       sort (data, nel, std::greater<T> ());
     else
@@ -1525,12 +1525,12 @@
 void
 octave_sort<T>::sort (T *data, octave_idx_type *idx, octave_idx_type nel)
 {
-#ifdef INLINE_ASCENDING_SORT
+#if defined (INLINE_ASCENDING_SORT)
   if (compare == ascending_compare)
     sort (data, idx, nel, std::less<T> ());
   else
 #endif
-#ifdef INLINE_DESCENDING_SORT
+#if defined (INLINE_DESCENDING_SORT)
     if (compare == descending_compare)
       sort (data, idx, nel, std::greater<T> ());
     else
@@ -1565,12 +1565,12 @@
 octave_sort<T>::is_sorted (const T *data, octave_idx_type nel)
 {
   bool retval = false;
-#ifdef INLINE_ASCENDING_SORT
+#if defined (INLINE_ASCENDING_SORT)
   if (compare == ascending_compare)
     retval = is_sorted (data, nel, std::less<T> ());
   else
 #endif
-#ifdef INLINE_DESCENDING_SORT
+#if defined (INLINE_DESCENDING_SORT)
     if (compare == descending_compare)
       retval = is_sorted (data, nel, std::greater<T> ());
     else
@@ -1654,12 +1654,12 @@
 octave_sort<T>::sort_rows (const T *data, octave_idx_type *idx,
                            octave_idx_type rows, octave_idx_type cols)
 {
-#ifdef INLINE_ASCENDING_SORT
+#if defined (INLINE_ASCENDING_SORT)
   if (compare == ascending_compare)
     sort_rows (data, idx, rows, cols, std::less<T> ());
   else
 #endif
-#ifdef INLINE_DESCENDING_SORT
+#if defined (INLINE_DESCENDING_SORT)
     if (compare == descending_compare)
       sort_rows (data, idx, rows, cols, std::greater<T> ());
     else
@@ -1733,12 +1733,12 @@
 {
   bool retval = false;
 
-#ifdef INLINE_ASCENDING_SORT
+#if defined (INLINE_ASCENDING_SORT)
   if (compare == ascending_compare)
     retval = is_sorted_rows (data, rows, cols, std::less<T> ());
   else
 #endif
-#ifdef INLINE_DESCENDING_SORT
+#if defined (INLINE_DESCENDING_SORT)
     if (compare == descending_compare)
       retval = is_sorted_rows (data, rows, cols, std::greater<T> ());
     else
@@ -1779,12 +1779,12 @@
 {
   octave_idx_type retval = 0;
 
-#ifdef INLINE_ASCENDING_SORT
+#if defined (INLINE_ASCENDING_SORT)
   if (compare == ascending_compare)
     retval = lookup (data, nel, value, std::less<T> ());
   else
 #endif
-#ifdef INLINE_DESCENDING_SORT
+#if defined (INLINE_DESCENDING_SORT)
     if (compare == descending_compare)
       retval = lookup (data, nel, value, std::greater<T> ());
     else
@@ -1815,12 +1815,12 @@
                         const T* values, octave_idx_type nvalues,
                         octave_idx_type *idx)
 {
-#ifdef INLINE_ASCENDING_SORT
+#if defined (INLINE_ASCENDING_SORT)
   if (compare == ascending_compare)
     lookup (data, nel, values, nvalues, idx, std::less<T> ());
   else
 #endif
-#ifdef INLINE_DESCENDING_SORT
+#if defined (INLINE_DESCENDING_SORT)
     if (compare == descending_compare)
       lookup (data, nel, values, nvalues, idx, std::greater<T> ());
     else
@@ -1890,12 +1890,12 @@
                                const T* values, octave_idx_type nvalues,
                                octave_idx_type *idx, bool rev)
 {
-#ifdef INLINE_ASCENDING_SORT
+#if defined (INLINE_ASCENDING_SORT)
   if (compare == ascending_compare)
     lookup_sorted (data, nel, values, nvalues, idx, rev, std::less<T> ());
   else
 #endif
-#ifdef INLINE_DESCENDING_SORT
+#if defined (INLINE_DESCENDING_SORT)
     if (compare == descending_compare)
       lookup_sorted (data, nel, values, nvalues, idx, rev, std::greater<T> ());
     else
@@ -1939,12 +1939,12 @@
 {
   if (up < 0)
     up = lo + 1;
-#ifdef INLINE_ASCENDING_SORT
+#if defined (INLINE_ASCENDING_SORT)
   if (compare == ascending_compare)
     nth_element (data, nel, lo, up, std::less<T> ());
   else
 #endif
-#ifdef INLINE_DESCENDING_SORT
+#if defined (INLINE_DESCENDING_SORT)
     if (compare == descending_compare)
       nth_element (data, nel, lo, up, std::greater<T> ());
     else
--- a/liboctave/util/pathsearch.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/pathsearch.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/singleton-cleanup.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/singleton-cleanup.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/sparse-sort.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/sparse-sort.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/sparse-util.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/sparse-util.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -35,7 +35,7 @@
 sparse_chol_error_internal (int status, const char *file,
                             int line, const char *message)
 {
-#ifdef HAVE_CHOLMOD
+#if defined (HAVE_CHOLMOD)
 
   // Ignore CHOLMOD_NOT_POSDEF, since we handle that in Fchol as an
   // error or exit status.
--- a/liboctave/util/statdefs.h	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/statdefs.h	Tue May 17 12:09:30 2016 -0400
@@ -27,12 +27,12 @@
 
 #include <sys/types.h>
 
-#ifdef HAVE_SYS_STAT_H
+#if defined (HAVE_SYS_STAT_H)
 #  include <sys/stat.h>
 #endif
 
-#ifndef S_ISREG
-#  ifndef mode_t
+#if ! defined (S_ISREG)
+#  if ! defined (mode_t)
 #    define mode_t unsigned short
 #  endif
 #endif
@@ -65,7 +65,7 @@
 #  define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
 #endif
 
-#ifndef S_ISLNK
+#if ! defined (S_ISLNK)
 #  undef HAVE_LSTAT
 #endif
 
--- a/liboctave/util/str-vec.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/str-vec.cc	Tue May 17 12:09:30 2016 -0400
@@ -28,7 +28,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/unwind-prot.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/unwind-prot.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/liboctave/util/url-transfer.cc	Tue May 17 11:32:53 2016 -0400
+++ b/liboctave/util/url-transfer.cc	Tue May 17 12:09:30 2016 -0400
@@ -25,7 +25,7 @@
 // Author: Alexander Barth <abarth@marine.usf.edu>
 // Author: jwe
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -39,7 +39,7 @@
 #include "unwind-prot.h"
 #include "url-transfer.h"
 
-#ifdef HAVE_CURL
+#if defined (HAVE_CURL)
 #  include <curl/curl.h>
 #  include <curl/curlver.h>
 #  include <curl/easy.h>
--- a/m4/acinclude.m4	Tue May 17 11:32:53 2016 -0400
+++ b/m4/acinclude.m4	Tue May 17 12:09:30 2016 -0400
@@ -379,7 +379,7 @@
     [octave_cv_func_glutesscallback_threedots],
     [AC_LANG_PUSH(C++)
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-        #ifdef HAVE_GL_GLU_H
+        #if defined (HAVE_GL_GLU_H)
         # include <GL/glu.h>
         #elif defined HAVE_OPENGL_GLU_H || defined HAVE_FRAMEWORK_OPENGL
         # include <OpenGL/glu.h>
@@ -986,20 +986,20 @@
     AC_CHECK_HEADERS([GL/gl.h OpenGL/gl.h],
       [AC_CHECK_HEADERS([GL/glu.h OpenGL/glu.h],
         [have_opengl_incs=yes; break], [], [
-#ifdef HAVE_WINDOWS_H
+#if defined (HAVE_WINDOWS_H)
 #include <windows.h>
 #endif
       ])
       break
       ], [], [
-#ifdef HAVE_WINDOWS_H
+#if defined (HAVE_WINDOWS_H)
 # include <windows.h>
 #endif
     ])
 
     if test $have_opengl_incs = yes; then
       AC_CHECK_HEADERS([GL/glext.h OpenGL/glext.h], [], [], [
-#ifdef HAVE_WINDOWS_H
+#if defined (HAVE_WINDOWS_H)
 # include <windows.h>
 #endif
 #if defined (HAVE_GL_GL_H)
@@ -1080,7 +1080,7 @@
         # include <poly.h>
         # include <io.h>
         #endif
-        #ifdef NEED_QHULL_VERSION
+        #if defined (NEED_QHULL_VERSION)
           char *qh_version = "version";
         #endif
         ]], [[
@@ -1218,7 +1218,7 @@
          #elif defined (HAVE_OPENGL_GL_H)
          # include <OpenGL/gl.h>
          #endif
-         #ifdef HAVE_GL_GLU_H
+         #if defined (HAVE_GL_GLU_H)
          # include <GL/glu.h>
          #elif defined HAVE_OPENGL_GLU_H || defined HAVE_FRAMEWORK_OPENGL
          # include <OpenGL/glu.h>
@@ -1273,7 +1273,7 @@
           #include <assert.h>
           #include <stdint.h>
           ]], [[
-          #ifdef OCTAVE_ENABLE_64
+          #if defined (OCTAVE_ENABLE_64)
             typedef int64_t octave_idx_type;
           #else
             typedef int octave_idx_type;
@@ -1693,7 +1693,7 @@
     [AC_LANG_PUSH(C++)
       AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[
-#ifdef HAVE_LLVM_IR_FUNCTION_H
+#if defined (HAVE_LLVM_IR_FUNCTION_H)
           #include <llvm/IR/Instructions.h>
           #include <llvm/IR/Attributes.h>
 #else
@@ -1725,7 +1725,7 @@
     [AC_LANG_PUSH(C++)
       AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[
-#ifdef HAVE_LLVM_IR_FUNCTION_H
+#if defined (HAVE_LLVM_IR_FUNCTION_H)
           #include <llvm/IR/Function.h>
           #include <llvm/IR/Attributes.h>
           #include <llvm/IR/LLVMContext.h>
@@ -1759,7 +1759,7 @@
     [AC_LANG_PUSH(C++)
       AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([[
-#ifdef HAVE_LLVM_IR_FUNCTION_H
+#if defined (HAVE_LLVM_IR_FUNCTION_H)
           #include <llvm/IR/Function.h>
           #include <llvm/IR/Attributes.h>
 #else
@@ -2343,7 +2343,7 @@
         #elif defined (HAVE_UMFPACK_H)
         # include <umfpack.h>
         #endif
-        #ifdef OCTAVE_ENABLE_64
+        #if defined (OCTAVE_ENABLE_64)
         typedef uint64_t idx_type;
         #define UMFPACK_NAME(name) umfpack_zl_ ## name
         #else
--- a/src/display-available.c	Tue May 17 11:32:53 2016 -0400
+++ b/src/display-available.c	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #include "config.h"
 #endif
 
--- a/src/display-available.h	Tue May 17 11:32:53 2016 -0400
+++ b/src/display-available.h	Tue May 17 12:09:30 2016 -0400
@@ -23,14 +23,14 @@
 #if ! defined (octave_display_available_h)
 #define octave_display_available_h 1
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 #  include <new>
 extern "C" {
 #endif
 
 extern const char *display_available (int *dpy_avail);
 
-#ifdef __cplusplus
+#if defined (__cplusplus)
 }
 #endif
 
--- a/src/main-cli.cc	Tue May 17 11:32:53 2016 -0400
+++ b/src/main-cli.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/src/main-gui.cc	Tue May 17 11:32:53 2016 -0400
+++ b/src/main-gui.cc	Tue May 17 12:09:30 2016 -0400
@@ -20,7 +20,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/src/main.in.cc	Tue May 17 11:32:53 2016 -0400
+++ b/src/main.in.cc	Tue May 17 12:09:30 2016 -0400
@@ -28,7 +28,7 @@
 // that it remains small, it should NOT depend on or be linked with
 // liboctave or libinterp.
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
@@ -42,19 +42,19 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#ifndef OCTAVE_VERSION
+#if ! defined (OCTAVE_VERSION)
 #  define OCTAVE_VERSION %OCTAVE_VERSION%
 #endif
 
-#ifndef OCTAVE_ARCHLIBDIR
+#if ! defined (OCTAVE_ARCHLIBDIR)
 #  define OCTAVE_ARCHLIBDIR %OCTAVE_ARCHLIBDIR%
 #endif
 
-#ifndef OCTAVE_BINDIR
+#if ! defined (OCTAVE_BINDIR)
 #  define OCTAVE_BINDIR %OCTAVE_BINDIR%
 #endif
 
-#ifndef OCTAVE_PREFIX
+#if ! defined (OCTAVE_PREFIX)
 #  define OCTAVE_PREFIX %OCTAVE_PREFIX%
 #endif
 
@@ -108,23 +108,23 @@
 install_signal_handlers (void)
 {
 
-#ifdef SIGINT
+#if defined (SIGINT)
   octave_set_signal_handler (SIGINT, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGBREAK
+#if defined (SIGBREAK)
   octave_set_signal_handler (SIGBREAK, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGABRT
+#if defined (SIGABRT)
   octave_set_signal_handler (SIGABRT, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGALRM
+#if defined (SIGALRM)
   octave_set_signal_handler (SIGALRM, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGBUS
+#if defined (SIGBUS)
   octave_set_signal_handler (SIGBUS, gui_driver_sig_handler);
 #endif
 
@@ -132,63 +132,63 @@
   // SIGCLD
   // SIGCONT
 
-#ifdef SIGEMT
+#if defined (SIGEMT)
   octave_set_signal_handler (SIGEMT, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGFPE
+#if defined (SIGFPE)
   octave_set_signal_handler (SIGFPE, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGHUP
+#if defined (SIGHUP)
   octave_set_signal_handler (SIGHUP, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGILL
+#if defined (SIGILL)
   octave_set_signal_handler (SIGILL, gui_driver_sig_handler);
 #endif
 
   // SIGINFO
   // SIGINT
 
-#ifdef SIGIOT
+#if defined (SIGIOT)
   octave_set_signal_handler (SIGIOT, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGLOST
+#if defined (SIGLOST)
   octave_set_signal_handler (SIGLOST, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGPIPE
+#if defined (SIGPIPE)
   octave_set_signal_handler (SIGPIPE, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGPOLL
+#if defined (SIGPOLL)
   octave_set_signal_handler (SIGPOLL, gui_driver_sig_handler);
 #endif
 
   // SIGPROF
   // SIGPWR
 
-#ifdef SIGQUIT
+#if defined (SIGQUIT)
   octave_set_signal_handler (SIGQUIT, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGSEGV
+#if defined (SIGSEGV)
   octave_set_signal_handler (SIGSEGV, gui_driver_sig_handler);
 #endif
 
   // SIGSTOP
 
-#ifdef SIGSYS
+#if defined (SIGSYS)
   octave_set_signal_handler (SIGSYS, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGTERM
+#if defined (SIGTERM)
   octave_set_signal_handler (SIGTERM, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGTRAP
+#if defined (SIGTRAP)
   octave_set_signal_handler (SIGTRAP, gui_driver_sig_handler);
 #endif
 
@@ -197,29 +197,29 @@
   // SIGTTOU
   // SIGURG
 
-#ifdef SIGUSR1
+#if defined (SIGUSR1)
   octave_set_signal_handler (SIGUSR1, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGUSR2
+#if defined (SIGUSR2)
   octave_set_signal_handler (SIGUSR2, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGVTALRM
+#if defined (SIGVTALRM)
   octave_set_signal_handler (SIGVTALRM, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGIO
+#if defined (SIGIO)
   octave_set_signal_handler (SIGIO, gui_driver_sig_handler);
 #endif
 
   // SIGWINCH
 
-#ifdef SIGXCPU
+#if defined (SIGXCPU)
   octave_set_signal_handler (SIGXCPU, gui_driver_sig_handler);
 #endif
 
-#ifdef SIGXFSZ
+#if defined (SIGXFSZ)
   octave_set_signal_handler (SIGXFSZ, gui_driver_sig_handler);
 #endif
 
--- a/src/mkoctfile.in.cc	Tue May 17 11:32:53 2016 -0400
+++ b/src/mkoctfile.in.cc	Tue May 17 12:09:30 2016 -0400
@@ -45,21 +45,21 @@
 #  include <sys/wait.h>
 #endif
 
-#ifndef WIFEXITED
+#if ! defined (WIFEXITED)
 #  define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
 #endif
 
-#ifndef WEXITSTATUS
+#if ! defined (WEXITSTATUS)
 #  define WEXITSTATUS(stat_val) (static_cast<unsigned> (stat_val) >> 8)
 #endif
 
 static std::map<std::string, std::string> vars;
 
-#ifndef OCTAVE_VERSION
+#if ! defined (OCTAVE_VERSION)
 #  define OCTAVE_VERSION %OCTAVE_CONF_VERSION%
 #endif
 
-#ifndef OCTAVE_PREFIX
+#if ! defined (OCTAVE_PREFIX)
 #  define OCTAVE_PREFIX %OCTAVE_CONF_PREFIX%
 #endif
 
@@ -314,7 +314,7 @@
 "                            .F90  Fortran source (free form)\n"
 "                            .o    object file\n"
 "                            .a    library file\n"
-#ifdef _MSC_VER
+#if defined (_MSC_VER)
 "                            .lib  library file\n"
 #endif
 "\n";
@@ -541,7 +541,7 @@
       else if (arg == "-mex" || arg == "--mex")
         {
           incflags += " -I.";
-#ifdef _MSC_VER
+#if defined (_MSC_VER)
           ldflags += " -Wl,-export:mexFunction";
 #endif
           output_ext = ".mex";
--- a/src/octave-build-info.in.cc	Tue May 17 11:32:53 2016 -0400
+++ b/src/octave-build-info.in.cc	Tue May 17 12:09:30 2016 -0400
@@ -21,7 +21,7 @@
 
 */
 
-#ifdef HAVE_CONFIG_H
+#if defined (HAVE_CONFIG_H)
 #  include "config.h"
 #endif
 
--- a/src/octave-config.in.cc	Tue May 17 11:32:53 2016 -0400
+++ b/src/octave-config.in.cc	Tue May 17 12:09:30 2016 -0400
@@ -31,7 +31,7 @@
 #include <algorithm>
 #include <cstdlib>
 
-#ifndef OCTAVE_PREFIX
+#if ! defined (OCTAVE_PREFIX)
 #  define OCTAVE_PREFIX %OCTAVE_PREFIX%
 #endif
 
--- a/src/shared-fcns.h	Tue May 17 11:32:53 2016 -0400
+++ b/src/shared-fcns.h	Tue May 17 12:09:30 2016 -0400
@@ -28,7 +28,7 @@
 #include <windows.h>
 #include <tlhelp32.h>
 
-#ifdef _MSC_VER
+#if defined (_MSC_VER)
 #  define popen _popen
 #  define pclose _pclose
 #endif
@@ -41,7 +41,7 @@
   std::string bin_dir;
 
   HANDLE h = CreateToolhelp32Snapshot (TH32CS_SNAPMODULE
-#ifdef TH32CS_SNAPMODULE32
+#if defined (TH32CS_SNAPMODULE32)
                                        | TH32CS_SNAPMODULE32
 #endif
                                        , 0);