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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-02 14:37:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-02 14:37:03 -0700 |
| commit | e68b4bad71e8739d79f3c9580c719aa70c42fb96 (patch) | |
| tree | 797b5b3ee7fe5255e886edf0c82b09c69f039e06 /arch/x86/Makefile | |
| parent | 5e46caf62d8910f6999fd378b743b9c0e1b21cf9 (diff) | |
| parent | d6289f36aa7d5893d091a7a0c67eee7798719f03 (diff) | |
| download | linux-0-day-e68b4bad71e8739d79f3c9580c719aa70c42fb96.tar.gz linux-0-day-e68b4bad71e8739d79f3c9580c719aa70c42fb96.tar.xz | |
Merge branch 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Ingo Molnar:
"The biggest change is the forcing of asm-goto support on x86, which
effectively increases the GCC minimum supported version to gcc-4.5 (on
x86)"
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build: Don't pass in -D__KERNEL__ multiple times
x86: Remove FAST_FEATURE_TESTS
x86: Force asm-goto
x86/build: Drop superfluous ALIGN from the linker script
Diffstat (limited to 'arch/x86/Makefile')
| -rw-r--r-- | arch/x86/Makefile | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 1c4d012550ec5..60135cbd905c1 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -31,8 +31,7 @@ endif CODE16GCC_CFLAGS := -m32 -Wa,$(srctree)/arch/x86/boot/code16gcc.h M16_CFLAGS := $(call cc-option, -m16, $(CODE16GCC_CFLAGS)) -REALMODE_CFLAGS := $(M16_CFLAGS) -g -Os -D__KERNEL__ \ - -DDISABLE_BRANCH_PROFILING \ +REALMODE_CFLAGS := $(M16_CFLAGS) -g -Os -DDISABLE_BRANCH_PROFILING \ -Wall -Wstrict-prototypes -march=i386 -mregparm=3 \ -fno-strict-aliasing -fomit-frame-pointer -fno-pic \ -mno-mmx -mno-sse @@ -181,6 +180,10 @@ ifdef CONFIG_FUNCTION_GRAPH_TRACER endif endif +ifndef CC_HAVE_ASM_GOTO + $(error Compiler lacks asm-goto support.) +endif + # # Jump labels need '-maccumulate-outgoing-args' for gcc < 4.5.2 to prevent a # GCC bug (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226). There's no way |