[PATCH v2 02/11] Kbuild: avoid duplicate include path
From: arnd@arndb.de (Arnd Bergmann)
Date: 2016-06-15 15:45:10
Also in:
dri-devel, linux-kbuild, lkml, netdev
Subsystem:
kernel build + files below scripts/ (unless maintained elsewhere), the rest · Maintainers:
Nathan Chancellor, Nicolas Schier, Linus Torvalds
arch/$(hdr-arch)/include/generated/uapi is included twice in the header search path, which is unnecessary, so this changes the top-level Makefile to drop the second instance by filtering out everything from USERINCLUDE that was already part of LINUXINCLUDE. This should have very little effect other than making the 'make V=1' output slightly smaller and making the build time faster by a miniscule amount, but it seems to be cleaner. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- Makefile | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
index 8b80a1506be0..45159861e645 100644
--- a/Makefile
+++ b/Makefile@@ -389,8 +389,9 @@ LINUXINCLUDE := \ -Iarch/$(hdr-arch)/include/generated/uapi \ -Iarch/$(hdr-arch)/include/generated \ $(if $(KBUILD_SRC), -I$(srctree)/include) \ - -Iinclude \ - $(USERINCLUDE) + -Iinclude + +LINUXINCLUDE += $(filter-out $(LINUXINCLUDE),$(USERINCLUDE)) KBUILD_CPPFLAGS := -D__KERNEL__
--
2.9.0