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

From: H. Peter Anvin
Date: Sat Jul 01 2006 - 19:10:55 EST


Sam Ravnborg wrote:

For klibc you need to patch scripts/Kbuild.klibc

Appending it to KLIBCWARNFLAGS seems the right place.

KLIBCREQFLAGS, rather.

Do you know from what gcc version we can start using -fno-stack-protector?

Isn't there a macro to test if gcc supports a specific option already?

Either way, I can also add __stack_chk_fail() as an alias for abort(), for people who actually want the feature.

-hpa

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