eliminate recursive make invocations in doc directory tree * doc/module.mk: New file created from doc/Makefile.am, doc/doxyhtml/Makefile.am, doc/liboctave/Makefile, doc/interpreter/Makefile.am, and doc/refcard/Makefile. * configure.ac (AC_OUTPUT): Don't generate doc/Makefile, doc/doxyhtml/Makefile, or doc/interpreter/Makefile. * Makefile.am (.NOTPARALLEL, AUTHORS, BUGS, INSTALL.OCTAVE): Delete targets. * config-images.sh, find-docstring-files.sh, geometryimages.m, graphics_properties.mk, images.awk, interpimages.m, plotimages.m, sparseimages.m, splineimages.m: Adapt to Makefile changes. * octave.texi, liboctave.texi: Use unique version file names. * etc/module.mk: Ensure icons build directory is created. (etc/icons/octave-logo.ico): Fix file name. * examples/module.mk (examples_code_SRC): New variable. * doc/Makefile.am, doc/doxyhtml/Makefile.am, doc/liboctave/Makefile.am, doc/interpreter/Makefile.am, doc/refcard/Makefile: Delete.

--- a/doc/interpreter/config-images.sh
+++ b/doc/interpreter/config-images.sh
@@ -14,6 +14,6 @@
 
 interp_dir=$top_srcdir/doc/interpreter
 
-$AWK -f $interp_dir/images.awk < $interp_dir/images > $interp_dir/images.mk-t
+$AWK -v dir=doc/interpreter -f $interp_dir/images.awk < $interp_dir/images > $interp_dir/images.mk-t
 
 $move_if_change $interp_dir/images.mk-t $interp_dir/images.mk