eliminate recursive make invocations in liboctave and libinterp directories * libinterp/module.mk: New file created from libinterp/Makefile.am. * liboctave/module.mk: New file created from liboctave/Makefile.am. * libinterp/Makefile.am, liboctave/Makefile.am: Delete. * configure.ac (AC_CONFIG_FILES): Remove libinterp/Makefile and liboctave/Makefile from the list. * Makefile.am (SUBDIRS): Remove liboctave and libinterp from the list. (BUILT_DISTFILES, BUILT_NODISTFILES, EXTRA_DIST, DIST_SRC, octinclude_HEADERS, nodist_octinclude_HEADERS): Initialize as empty. Include liboctave/module.mk liboctave/link-deps.mk, libinterp/module.mk, and libinterp/link-deps.mk. * doc/module.mk, libgui/link-deps.mk, libinterp/corefcn/module.mk, libinterp/dldfcn/config-module.awk, libinterp/link-deps.mk, libinterp/mkops, libinterp/octave-value/module.mk, libinterp/operators/module.mk, libinterp/parse-tree/module.mk, libinterp/template-inst/module.mk, liboctave/array/module.mk, liboctave/cruft/Faddeeva/module.mk, liboctave/cruft/amos/module.mk, liboctave/cruft/blas-xtra/module.mk, liboctave/cruft/daspk/module.mk, liboctave/cruft/dasrt/module.mk, liboctave/cruft/dassl/module.mk, liboctave/cruft/fftpack/module.mk, liboctave/cruft/lapack-xtra/module.mk, liboctave/cruft/misc/module.mk, liboctave/cruft/module.mk, liboctave/cruft/odepack/module.mk, liboctave/cruft/ordered-qz/module.mk, liboctave/cruft/quadpack/module.mk, liboctave/cruft/ranlib/module.mk, liboctave/cruft/slatec-err/module.mk, liboctave/cruft/slatec-fn/module.mk, liboctave/numeric/module.mk, liboctave/operators/mk-ops.awk, liboctave/operators/module.mk, liboctave/operators/sparse-mk-ops.awk, liboctave/system/module.mk, liboctave/util/module.mk: Update for non-recursive build.

EXTRA_DIST += \
  liboctave/cruft/fftpack/module.mk \
  liboctave/cruft/fftpack/fftpack.doc

FFTPACK_SRC = \
  liboctave/cruft/fftpack/cfftb.f \
  liboctave/cruft/fftpack/cfftb1.f \
  liboctave/cruft/fftpack/cfftf.f \
  liboctave/cruft/fftpack/cfftf1.f \
  liboctave/cruft/fftpack/cffti.f \
  liboctave/cruft/fftpack/cffti1.f \
  liboctave/cruft/fftpack/passb.f \
  liboctave/cruft/fftpack/passb2.f \
  liboctave/cruft/fftpack/passb3.f \
  liboctave/cruft/fftpack/passb4.f \
  liboctave/cruft/fftpack/passb5.f \
  liboctave/cruft/fftpack/passf.f \
  liboctave/cruft/fftpack/passf2.f \
  liboctave/cruft/fftpack/passf3.f \
  liboctave/cruft/fftpack/passf4.f \
  liboctave/cruft/fftpack/passf5.f \
  liboctave/cruft/fftpack/zfftb.f \
  liboctave/cruft/fftpack/zfftb1.f \
  liboctave/cruft/fftpack/zfftf.f \
  liboctave/cruft/fftpack/zfftf1.f \
  liboctave/cruft/fftpack/zffti.f \
  liboctave/cruft/fftpack/zffti1.f \
  liboctave/cruft/fftpack/zpassb.f \
  liboctave/cruft/fftpack/zpassb2.f \
  liboctave/cruft/fftpack/zpassb3.f \
  liboctave/cruft/fftpack/zpassb4.f \
  liboctave/cruft/fftpack/zpassb5.f \
  liboctave/cruft/fftpack/zpassf.f \
  liboctave/cruft/fftpack/zpassf2.f \
  liboctave/cruft/fftpack/zpassf3.f \
  liboctave/cruft/fftpack/zpassf4.f \
  liboctave/cruft/fftpack/zpassf5.f

if AMCOND_HAVE_FFTW
  EXTRA_DIST += $(FFTPACK_SRC)
else
  CRUFT_SOURCES += $(FFTPACK_SRC)
endif