Re: undefined reference to `__stack_chk_guard'

Marcus Meissner <[email protected]> Mon, 20 Apr 2015 13:35:02 +0200

Newsgroups	gmane.linux.suse.ppc
Organization	SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu, Graham Norton, HRB 21284 (AG Nürnberg)
Message-ID	<[email protected]>

On Wed, Apr 15, 2015 at 03:42:17AM +0300, Dmitriy Perlow wrote:
> Hello!
> 
> I've been buiding my simple C app for all Factory arch's for some
> time. Now I've maid fputc_unclocked→fread_unclocked code migrations.
> So ppc64 target became failed with "undefined reference to
> `__stack_chk_guard'" error message. I use cmake and clang to build
> my app.
> 
> Any tips please?
> 
> https://build.opensuse.org/package/live_build_log/home:DarkSS/HuffmanArchiver/openSUSE_Factory_PowerPC/ppc64
> https://github.com/DAP-DarkneSS/HuffmanArchiver/commit/402e10574eee1e478583a44bf40c5f27ac6e9e54
> 
> PS Please CC my mail too, no answer from
> [email protected], sorry.

But it looks good currently in home:DarkSS/HuffmanArchiver ?

This error could be due to mixing up static vs dynamic linking, or potentially due
to -flto which needs to be passed to both compiler _and_ linker (LDFLAGS).

Ciao, Marcsu
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