Kbuild: avoid duplicate include path

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>
Signed-off-by: Michal Marek <mmarek@suse.com>
This commit is contained in:
Arnd Bergmann 2016-06-15 17:45:44 +02:00 committed by Michal Marek
parent b999596b96
commit dc33db7c33

View File

@ -387,8 +387,9 @@ 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__