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authorSam Ravnborg <sam@neptun.(none)>2007-10-14 16:21:35 -0400
committerSam Ravnborg <sam@neptun.(none)>2007-10-14 16:21:35 -0400
commita0f97e06a43cf524e616f09e6af3398e1e9c1c5b (patch)
tree2503b24bdbc144aea9ea5bde6ead94b3406eaf98 /arch/um/Makefile-os-Linux
parent9a39e273d4df0560c724c5fe71f6314a0583ca2b (diff)
kbuild: enable 'make CFLAGS=...' to add additional options to CC
The variable CFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. On top of that several people over time has asked for a way to pass in additional flags to gcc. This patch replace use of CFLAGS with KBUILD_CFLAGS all over the tree and enabling one to use: make CFLAGS=... to specify additional gcc commandline options. One usecase is when trying to find gcc bugs but other use cases has been requested too. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k Test was simple to do a defconfig build, apply the patch and check that nothing got rebuild. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'arch/um/Makefile-os-Linux')
-rw-r--r--arch/um/Makefile-os-Linux2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/Makefile-os-Linux b/arch/um/Makefile-os-Linux
index 0c0f9a1cbbad..52859487c95d 100644
--- a/arch/um/Makefile-os-Linux
+++ b/arch/um/Makefile-os-Linux
@@ -5,4 +5,4 @@
5 5
6# To get a definition of F_SETSIG 6# To get a definition of F_SETSIG
7USER_CFLAGS += -D_GNU_SOURCE -D_LARGEFILE64_SOURCE 7USER_CFLAGS += -D_GNU_SOURCE -D_LARGEFILE64_SOURCE
8CFLAGS += -D_LARGEFILE64_SOURCE 8KBUILD_CFLAGS += -D_LARGEFILE64_SOURCE