Supporting interrupted builds

This allows for repeated builds with git/dpkg-buildpackage without the need
to manually remove files or ignore files that appear added to the source tree.

Author: smoe

debian/rules.in

@@ -59,7 +59,7 @@ endif
 override_dh_auto_clean:
 	dh_auto_clean
 	py3clean .
-	if [ -r src/Makefile.inc -a -r src/config.status ]; then cd src && $(MAKE) clean modclean -s; fi
+	if [ -r src/Makefile.inc -a -r src/config.status ]; then cd src && $(MAKE) clean -s; fi
 	rm -f Makefile.inc
 	rm -f src/config.log src/config.status
 	rm -f $(for i in $(find . -name "*.in"); do basename $i .in; done)

docs/src/Submakefile

@@ -328,12 +328,12 @@ docs: manpages
 manpages: $(GENERATED_MANPAGES)
 
 clean: clean-manpages clean-translated
+	find $(DOC_SRCDIR) -name index*db -delete
 clean-manpages:
 	-rm -f $(GENERATED_MANPAGES)
 clean-translated:
 	-$(RM) -r $(GENERATED_TRANSLATED)
 
-
 DOTFILES=$(shell find . -name "*.dot") $(shell find ../docs/src/ -name "*.dot")
 .PHONY: svgs_made_from_dots
 svgs_made_from_dots: $(DOTFILES:.dot=.svg)