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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-13 09:45:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-13 09:45:09 +0100 |
| commit | ab639f3593f0b5e4439d549831442c18c3baf989 (patch) | |
| tree | 118743e94e5dc86c835dbc1f1d3bf1612f4ae740 /arch/x86/Makefile | |
| parent | f8a6b2b9cee298a9663cbe38ce1eb5240987cb62 (diff) | |
| parent | 58105ef1857112a186696c9b8957020090226a28 (diff) | |
| download | lwn-ab639f3593f0b5e4439d549831442c18c3baf989.tar.gz lwn-ab639f3593f0b5e4439d549831442c18c3baf989.zip | |
Merge branch 'core/percpu' into x86/core
Diffstat (limited to 'arch/x86/Makefile')
| -rw-r--r-- | arch/x86/Makefile | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 99550c407990..1836191839ee 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -70,14 +70,17 @@ else # this works around some issues with generating unwind tables in older gccs # newer gccs do it by default KBUILD_CFLAGS += -maccumulate-outgoing-args +endif - stackp := $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh - stackp-$(CONFIG_CC_STACKPROTECTOR) := $(shell $(stackp) \ - "$(CC)" "-fstack-protector -DGCC_HAS_SP" ) - stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(stackp) \ - "$(CC)" -fstack-protector-all ) - - KBUILD_CFLAGS += $(stackp-y) +ifdef CONFIG_CC_STACKPROTECTOR + cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh + ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC)),y) + stackp-y := -fstack-protector + stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += -fstack-protector-all + KBUILD_CFLAGS += $(stackp-y) + else + $(warning stack protector enabled but no compiler support) + endif endif # Stackpointer is addressed different for 32 bit and 64 bit x86 |