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| author | H. Peter Anvin <hpa@linux.intel.com> | 2014-01-29 18:07:00 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-01-29 18:07:00 +0100 |
| commit | 4064e0ea3c0e9427e6c22392c4b69b4bfa1b7125 (patch) | |
| tree | 888b52771f540552a9dc85521d8dddf66eba9aeb /Makefile | |
| parent | x86, boot: Use __attribute__((used)) to ensure videocard structs are emitted (diff) | |
| parent | Merge branch 'x86-kaslr-for-linus' of git://git.kernel.org/pub/scm/linux/kern... (diff) | |
| download | linux-4064e0ea3c0e9427e6c22392c4b69b4bfa1b7125.tar.xz linux-4064e0ea3c0e9427e6c22392c4b69b4bfa1b7125.zip | |
Merge commit 'f4bcd8ccddb02833340652e9f46f5127828eb79d' into x86/build
Bring in upstream merge of x86/kaslr for future patches.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 22 |
1 files changed, 18 insertions, 4 deletions
@@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 13 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = NAME = One Giant Leap for Frogkind # *DOCUMENTATION* @@ -595,10 +595,24 @@ ifneq ($(CONFIG_FRAME_WARN),0) KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN}) endif -# Force gcc to behave correct even for buggy distributions -ifndef CONFIG_CC_STACKPROTECTOR -KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) +# Handle stack protector mode. +ifdef CONFIG_CC_STACKPROTECTOR_REGULAR + stackp-flag := -fstack-protector + ifeq ($(call cc-option, $(stackp-flag)),) + $(warning Cannot use CONFIG_CC_STACKPROTECTOR: \ + -fstack-protector not supported by compiler)) + endif +else ifdef CONFIG_CC_STACKPROTECTOR_STRONG + stackp-flag := -fstack-protector-strong + ifeq ($(call cc-option, $(stackp-flag)),) + $(warning Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: \ + -fstack-protector-strong not supported by compiler) + endif +else + # Force off for distro compilers that enable stack protector by default. + stackp-flag := $(call cc-option, -fno-stack-protector) endif +KBUILD_CFLAGS += $(stackp-flag) # This warning generated too much noise in a regular build. # Use make W=1 to enable this warning (see scripts/Makefile.build) |