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authorSam Ravnborg <sam@neptun.(none)>2007-10-14 22:21:35 +0200
committerSam Ravnborg <sam@neptun.(none)>2007-10-14 22:21:35 +0200
commita0f97e06a43cf524e616f09e6af3398e1e9c1c5b (patch)
tree2503b24bdbc144aea9ea5bde6ead94b3406eaf98 /arch/x86/vdso
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/x86/vdso')
-rw-r--r--arch/x86/vdso/Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index 8d03de029d9b..dcd6bb9e0bb3 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -34,8 +34,8 @@ $(obj)/vdso.so: $(src)/vdso.lds $(vobjs) FORCE
CFL := $(PROFILING) -mcmodel=small -fPIC -g0 -O2 -fasynchronous-unwind-tables -m64
-$(obj)/vclock_gettime.o: CFLAGS = $(CFL)
-$(obj)/vgetcpu.o: CFLAGS = $(CFL)
+$(obj)/vclock_gettime.o: KBUILD_CFLAGS = $(CFL)
+$(obj)/vgetcpu.o: KBUILD_CFLAGS = $(CFL)
# We also create a special relocatable object that should mirror the symbol
# table and layout of the linked DSO. With ld -R we can then refer to