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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/v850
parent9a39e273d4df0560c724c5fe71f6314a0583ca2b (diff)
downloadop-kernel-dev-a0f97e06a43cf524e616f09e6af3398e1e9c1c5b.zip
op-kernel-dev-a0f97e06a43cf524e616f09e6af3398e1e9c1c5b.tar.gz
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/v850')
-rw-r--r--arch/v850/Makefile8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/v850/Makefile b/arch/v850/Makefile
index 8be9aac..8b629df 100644
--- a/arch/v850/Makefile
+++ b/arch/v850/Makefile
@@ -16,11 +16,11 @@
arch_dir = arch/v850
-CFLAGS += -mv850e
+KBUILD_CFLAGS += -mv850e
# r16 is a fixed pointer to the current task
-CFLAGS += -ffixed-r16 -mno-prolog-function
-CFLAGS += -fno-builtin
-CFLAGS += -D__linux__ -DUTS_SYSNAME=\"uClinux\"
+KBUILD_CFLAGS += -ffixed-r16 -mno-prolog-function
+KBUILD_CFLAGS += -fno-builtin
+KBUILD_CFLAGS += -D__linux__ -DUTS_SYSNAME=\"uClinux\"
# By default, build a kernel that runs on the gdb v850 simulator.
KBUILD_DEFCONFIG := sim_defconfig
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