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 += libinterp/template-inst/module.mk

TEMPLATE_INST_SRC = \
  libinterp/template-inst/Array-os.cc \
  libinterp/template-inst/Array-tc.cc \
  libinterp/template-inst/Array-jit.cc