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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/sh64
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/sh64')
-rw-r--r--arch/sh64/Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sh64/Makefile b/arch/sh64/Makefile
index ebf20043991c..9e874de0a096 100644
--- a/arch/sh64/Makefile
+++ b/arch/sh64/Makefile
@@ -26,7 +26,7 @@ LDFLAGS += -EB -mshelf32_linux
26endif 26endif
27 27
28# No requirements for endianess support from AFLAGS, 'as' always run through gcc 28# No requirements for endianess support from AFLAGS, 'as' always run through gcc
29CFLAGS += $(cpu-y) 29KBUILD_CFLAGS += $(cpu-y)
30 30
31LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_CACHED_MEMORY_OFFSET) \ 31LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_CACHED_MEMORY_OFFSET) \
32 --defsym phys_stext_shmedia=phys_stext+1 \ 32 --defsym phys_stext_shmedia=phys_stext+1 \
@@ -57,7 +57,7 @@ ifneq ($(machine-y),)
57core-y += arch/sh64/mach-$(machine-y)/ 57core-y += arch/sh64/mach-$(machine-y)/
58endif 58endif
59 59
60LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name) 60LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
61libs-y += arch/$(ARCH)/lib/ $(LIBGCC) 61libs-y += arch/$(ARCH)/lib/ $(LIBGCC)
62 62
63drivers-$(CONFIG_OPROFILE) += arch/sh64/oprofile/ 63drivers-$(CONFIG_OPROFILE) += arch/sh64/oprofile/