On 04/12/2012 12:08 PM, Geert Uytterhoeven wrote: > Hi Andi, > > On Wed, Mar 28, 2012 at 20:51, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote: >> +ifdef CONFIG_READABLE_ASM >> +# Disable optimizations that make assembler listings hard to read. >> +# reorder blocks reorders the control in the function >> +# ipa clone creates specialized cloned functions >> +# partial inlining inlines only parts of functions >> +KBUILD_CFLAGS += $(call cc-option,-fno-reorder-blocks,) \ >> + $(call cc-option,-fno-ipa-cp-clone,) \ >> + $(call cc-option,-fno-partial-inlining) >> +endif > > This (now in linux-next) causes m68k/allmodconfig to fail for me: > > CHK include/linux/version.h > CHK include/generated/utsrelease.h > CC kernel/bounds.s > cc1: error: unrecognized command line option "-fno-ipa-cp-clone" > > Somehow, "$(call cc-option,-fno-ipa-cp-clone,)" doesn't detect that my > toolchain (gcc version 4.1.2 20061115 (prerelease) (Ubuntu 4.1.1-21)) > doesn't support this option. > > I tried playing with the trailing comma (why do the first 2 tests have it, > and the 3rd one doesn't?), but that didn't make a difference. > > linux-next builds (using a newer toolchain) don't show this. > Sounds like the fundamental action item is to find out what makes cc-option not work. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
