makefile feature request: make clean-except-for-external

[Norbert Thiebaud]

On Sat, Jul 5, 2014 at 1:10 PM, Noel Grandin <noelgrandin at gmail.com> wrote:
> Hi
>
> I'm doing a lot of work with clang plugins, so I often need to build
> from scratch, which takes a really long time.
>
> It would be awesome if I could do a
>   make clean-except-for-externals
> which would delete all of the build output except for the stuff we
> generate from the externals directory,
> for which we do not run the clang plugins.
>
> Thanks, Noel Grandin

diff --git a/Makefile.in b/Makefile.in
index 79ee758..ae88777 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -7,7 +7,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 #

-.PHONY : all bootstrap gbuild build build-non-l10n-only
build-l10n-only check clean clean-build clean-host test-install
distclean distro-pack-install docs download fetch findunusedcode
get-submodules id install install-strip subsequentcheck tags debugrun
help slowcheck translations unitcheck packageinfo
+.PHONY : all bootstrap gbuild build build-non-l10n-only
build-l10n-only check clean clean-build clean-host test-install
distclean distro-pack-install docs download fetch findunusedcode
get-submodules id install install-strip subsequentcheck tags debugrun
help slowcheck translations unitcheck packageinfo internal.clean

 MAKECMDGOALS?=all
 build_goal:=$(if $(filter build check,$(MAKECMDGOALS)),all)\
@@ -80,6 +80,11 @@ endef

 gbuild_modules := $(patsubst $(SRCDIR)/%/,%,$(dir $(wildcard
$(SRCDIR)/*/Module_*.mk $(SRCDIR)/external/*/Module_*.mk)))

+gbuild_internal_modules := $(filter-out odk external \
+,$(patsubst $(SRCDIR)/%/,%,$(dir $(wildcard $(SRCDIR)/*/Module_*.mk))))
+
+internal.clean: $(addsuffix .clean,$(gbuild_internal_modules))
+
 $(eval $(call gb_Top_GbuildModulesRules,$(gbuild_modules)))

 gbuild_TARGETS := AllLangHelp \