Makefile: do not use sparse on third-party sources

We have several third-party sources in our codebase that we have
imported from upstream projects. These sources are mostly excluded from
our static analysis, for example when running Coccinelle.

Do the same for our "sparse" target by filtering them out.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Makefile b/Makefile
index 8c4487dd0c608580d9d12ae72f575c62956b5805..81a47b61327eb914eb88b6865bcdc0c75f25abaa 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -3252,7 +3252,8 @@ t/helper/test-%$X: t/helper/test-%.o GIT-LDFLAGS $(GITLIBS) $(REFTABLE_TEST_LIB)
 check-sha1:: t/helper/test-tool$X
        t/helper/test-sha1.sh
 
-SP_OBJ = $(patsubst %.o,%.sp,$(OBJECTS))
+SP_SRC = $(filter-out $(THIRD_PARTY_SOURCES),$(patsubst %.o,%.c,$(OBJECTS)))
+SP_OBJ = $(patsubst %.c,%.sp,$(SP_SRC))
 
 $(SP_OBJ): %.sp: %.c %.o $(GENERATED_H)
        $(QUIET_SP)cgcc -no-compile $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) \