# Only clean submodules we actually posses.  Some makefiles don't have
# 'distclean' target, so try both 'clean' and 'distclean', and discard
# any errors.

	-make -C freetype distclean
	-make -C libpng distclean
	-make -C lua clean
	-make -C sdl distclean
	-make -C sdl-image distclean
	-make -C sqlite clean
	-make -C pcre clean
	-make -C zlib distclean

	@for a in freetype libpng lua sdl sdl-image sqlite pcre zlib; do \
		if [ -f $$a/Makefile ] || [ -f $$a/makefile ] ; then \
			make -k -C $$a clean distclean 2> /dev/null; \
		fi \
	done