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From: Dubiousjim <lists+alpine-devel@jimpryor.net>
To: Alpine <alpine-devel@lists.alpinelinux.org>
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Subject: Re: [alpine-devel] Can't build apk-tools
Date: Mon, 17 Jun 2013 13:24:16 -0400

On Mon, Jun 17, 2013 at 03:55:44PM +0200, Natanael Copa wrote:
> On Sun, 16 Jun 2013 20:47:22 -0400
> Dubiousjim <lists+alpine-devel@jimpryor.net> wrote:
> 
> > I'm a bit perplexed how to build apk-tools by hand, either using
> > aports/abuild, or using git://git.alpinelinux.org/apk-tools. Some months
> 
> ...
> 
> > but that didn't seem to be enough. I'd still get a bunch of linking
> > errors about "undefined reference to `__stack_chk_fail_local'". 
> 
> I would guess this comes from that your libc does not have SSP enabled
> and your gcc is hardened.

Yeah, that's a natural hypothesis. But I didn't custom build that
libc, it's straight from the edge/x86 repo. And indeed:

    $ nm -D /lib/libc.so | fgrep stack_chk
    0000bc15 T __stack_chk_fail

I'm guessing this shows that the libc has ssp, though perhaps I'm wrong.



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