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.

--- a/scripts/module.mk	Fri Jul 17 00:59:10 2015 -0400
+++ b/scripts/module.mk	Fri Jul 17 14:44:47 2015 -0400
@@ -1,3 +1,9 @@
+scripts_EXTRA_DIST =
+
+scripts_CLEANFILES =
+scripts_DISTCLEANFILES =
+scripts_MAINTAINERCLEANFILES =
+
 ## FIXME -- including scripts/@ftp/module.mk fails.  Is that an automake bug?
 
 FCN_FILE_DIRS += scripts/@ftp
@@ -201,7 +207,7 @@
 	@echo "Packaging distribution requires Java." ; exit 1;
 endif
 
-EXTRA_DIST += \
+scripts_EXTRA_DIST += \
   $(SCRIPTS_IMAGES) \
   $(FCN_FILES) \
   $(GEN_FCN_FILES_IN) \
@@ -209,14 +215,24 @@
   scripts/mkdoc.pl \
   scripts/mk-pkg-add
 
-DISTCLEANFILES += \
+EXTRA_DIST += $(scripts_EXTRA_DIST)
+
+scripts_DISTCLEANFILES += \
   scripts/.DOCSTRINGS \
   scripts/DOCSTRINGS \
   $(PKG_ADD_FILES) \
   $(DIRSTAMP_FILES) \
   $(GEN_FCN_FILES)
 
-scripts-distclean:
-	if [ "x$(srcdir)" != "x." ]; then \
-	  rm -f $(java_JAVA_IMAGES); \
-	fi
+CLEANFILES += $(scripts_CLEANFILES)
+DISTCLEANFILES += $(scripts_DISTCLEANFILES)
+MAINTAINERCLEANFILES += $(scripts_MAINTAINERCLEANFILES)
+
+scripts-clean:
+	rm -f $(scripts_CLEANFILES)
+
+scripts-distclean: scripts-clean
+	rm -f $(scripts_DISTCLEANFILES)
+
+scripts-maintainer-clean: scripts-distclean
+	rm -f $(scripts_MAINTAINERCLEANFILES)