diff options
| author | Andrew Boie <andrew.p.boie@intel.com> | 2012-08-10 20:49:06 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-08-11 01:12:30 +0200 |
| commit | 484d90eec884d814b005c9736bcf3fd018acba65 (patch) | |
| tree | 69bbb6e3226d966e59aae0814eaccd8bd41ab1f0 /arch/x86/Makefile | |
| parent | x86, avx: don't use avx instructions with "noxsave" boot param (diff) | |
| download | linux-484d90eec884d814b005c9736bcf3fd018acba65.tar.xz linux-484d90eec884d814b005c9736bcf3fd018acba65.zip | |
x86, build: Globally set -fno-pic
GCC built with nonstandard options can enable -fpic by default.
We never want this for 32-bit kernels and it will break the build.
[ hpa: Notably the Android toolchain apparently does this. ]
Change-Id: Iaab7d66e598b1c65ac4a4f0229eca2cd3d0d2898
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Link: http://lkml.kernel.org/r/1344624546-29691-1-git-send-email-andrew.p.boie@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/Makefile')
| -rw-r--r-- | arch/x86/Makefile | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index b0c5276861ec..682e9c210baa 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -27,6 +27,10 @@ ifeq ($(CONFIG_X86_32),y) KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return + # Never want PIC in a 32-bit kernel, prevent breakage with GCC built + # with nonstandard options + KBUILD_CFLAGS += -fno-pic + # prevent gcc from keeping the stack 16 byte aligned KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) |