GNU bug report logs - #37852
Build failure on MSYS2 (undefined reference to _chk functions)

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From: Richard Copley <rcopley <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Paul Eggert <eggert <at> cs.ucla.edu>, 37852 <at> debbugs.gnu.org
Subject: bug#37852: Build failure on MSYS2 (undefined reference to _chk functions)
Date: Wed, 23 Oct 2019 22:29:09 +0100

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On Tue, 22 Oct 2019 at 19:51, Eli Zaretskii <eliz <at> gnu.org> wrote:

> > Cc: 37852 <at> debbugs.gnu.org, rcopley <at> gmail.com
> > From: Paul Eggert <eggert <at> cs.ucla.edu>
> > Date: Tue, 22 Oct 2019 11:27:48 -0700
> >
> > > Should we perhaps test for -lssp, and if it is found, add it to the
> > > link command when we define _FORTIFY_SOURCE?
> >
> > If this is done only on MSYS2 platforms, and if -lssp is used only when
> > it causes otherwise-failing programs to work, then it should be OK. I
> > wouldn't do it elsewhere because on Fedora at any rate, -lssp used to be
> > trouble and was best avoided.
>
> Right.
>
> > It vaguely sounds like MSYS2 is trailing Fedora and so is experiencing
> > problems Fedora had a few years ago (see, e.g.,
> > <https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4973>).
>
> I actually think it's a bug in MSYS2, and hope they will fix it soon.
> So perhaps we should just wait and see if the current situation, after
> your patch, is good enough.
>
> Thanks.
>

Just to confirm, this fix works for me. Thank you.

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