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Groups > linux.kernel > #1423173

[PATCH v2 02/11] Kbuild: avoid duplicate include path

From Arnd Bergmann <arnd@arndb.de>
Newsgroups linux.kernel
Subject [PATCH v2 02/11] Kbuild: avoid duplicate include path
Date 2016-06-15 17:50 +0200
Message-ID <rKleP-4pE-59@gated-at.bofh.it> (permalink)
References <rKleN-4pE-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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

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[PATCH v2 00/11] Kbuild: fix -Wmissing-include-path warnings Arnd Bergmann <arnd@arndb.de> - 2016-06-15 17:50 +0200
  [PATCH v2 11/11] [EXPERIMENTAL] Kbuild: enable -Wmissing-include-dirs by default Arnd Bergmann <arnd@arndb.de> - 2016-06-15 17:50 +0200
  [PATCH v2 05/11] Kbuild: don't add obj tree in additional includes Arnd Bergmann <arnd@arndb.de> - 2016-06-15 17:50 +0200
  [PATCH v2 01/11] Kbuild: don't add ../../ to include path Arnd Bergmann <arnd@arndb.de> - 2016-06-15 17:50 +0200
  [PATCH v2 08/11] drm: amd: remove broken include path Arnd Bergmann <arnd@arndb.de> - 2016-06-15 17:50 +0200
  [PATCH v2 03/11] Kbuild: always prefix objtree in LINUXINCLUDE Arnd Bergmann <arnd@arndb.de> - 2016-06-15 17:50 +0200
  [PATCH v2 02/11] Kbuild: avoid duplicate include path Arnd Bergmann <arnd@arndb.de> - 2016-06-15 17:50 +0200

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