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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-14 10:31:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-14 10:31:59 +0200 |
| commit | b4ba0ba24b57ec975482f4ba2d350fbee7557240 (patch) | |
| tree | c076e4c4e446180d6a36df3d55ae2ba7b0d7736e /arch/um/Makefile-i386 | |
| parent | a033c332e047397904ed74816946b2edd9b0d5cd (diff) | |
| parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
Merge commit 'v2.6.26' into core/locking
Diffstat (limited to 'arch/um/Makefile-i386')
| -rw-r--r-- | arch/um/Makefile-i386 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386 index 561e373bd85..302cbe50454 100644 --- a/arch/um/Makefile-i386 +++ b/arch/um/Makefile-i386 @@ -32,4 +32,11 @@ cflags-y += $(call cc-option,-mpreferred-stack-boundary=2) # an unresolved reference. cflags-y += -ffreestanding +# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use +# a lot more stack due to the lack of sharing of stacklots. Also, gcc +# 4.3.0 needs -funit-at-a-time for extern inline functions. +KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \ + echo $(call cc-option,-fno-unit-at-a-time); \ + else echo $(call cc-option,-funit-at-a-time); fi ;) + KBUILD_CFLAGS += $(cflags-y) |