provide per-directory clean targets * Makefile.am, doc/module.mk, libgui/graphics/module.mk, libgui/module.mk, libgui/qterminal-module.mk, libgui/src/module.mk, libinterp/corefcn/module.mk, libinterp/module.mk, 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/module.mk, liboctave/numeric/module.mk, liboctave/operators/module.mk, liboctave/system/module.mk, liboctave/util/module.mk, scripts/java/module.mk, scripts/module.mk, scripts/startup/module.mk, src/module.mk: For each major subdirectory tree (liboctave, libinterp, libgui, src, doc, examples, test), provide SUBDIR-clean, SUBDIR-distclean, and SUBDIR-maintainer-clean targets.

CRUFT_SOURCES += \
  liboctave/cruft/slatec-err/fdump.f \
  liboctave/cruft/slatec-err/ixsav.f \
  liboctave/cruft/slatec-err/j4save.f \
  liboctave/cruft/slatec-err/xerclr.f \
  liboctave/cruft/slatec-err/xercnt.f \
  liboctave/cruft/slatec-err/xerhlt.f \
  liboctave/cruft/slatec-err/xermsg.f \
  liboctave/cruft/slatec-err/xerprn.f \
  liboctave/cruft/slatec-err/xerrwd.f \
  liboctave/cruft/slatec-err/xersve.f \
  liboctave/cruft/slatec-err/xgetf.f \
  liboctave/cruft/slatec-err/xgetua.f \
  liboctave/cruft/slatec-err/xsetf.f \
  liboctave/cruft/slatec-err/xsetua.f