Re: 2.6.17-mm5 -- Busted toolchain? -- usr/klibc/exec_l.c:59: undefined reference to `__stack_chk_fail'

Sam Ravnborg
2006-07-02T03:01:40Z

On Sat, Jul 01, 2006 at 04:35:32PM -0700, H. Peter Anvin wrote:
> Sam Ravnborg wrote:
> >
> >For klibc you need to patch scripts/Kbuild.klibc
> >
> >Appending it to KLIBCWARNFLAGS seems the right place.
> >
> >Do you know from what gcc version we can start using -fno-stack-protector?
> >
>
> Here is a patch for klibc. Miles, could you try it out and see if it
> does what you need?
>
> -hpa
>

> -KLIBCREQFLAGS :=
> +KLIBCREQFLAGS := $(call cc_option, -fno-stack-protector, )

This needs to be $(call cc-option, ...)
'-' not '_'.

> +++ b/usr/klibc/arch/arm/MCONFIG
> @@ -12,7 +12,7 @@ CPU_TUNE := strongarm
>
> KLIBCOPTFLAGS = -Os -march=$(CPU_ARCH) -mtune=$(CPU_TUNE)
> KLIBCBITSIZE = 32
> -KLIBCREQFLAGS = -fno-exceptions
> +KLIBCREQFLAGS += -fno-exceptions

This should be fixed for KLIBCOPTFLAGS also. Unrelated to this issue.

Sam