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

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: rcopley <at> gmail.com, 37852 <at> debbugs.gnu.org
Subject: bug#37852: Build failure on MSYS2 (undefined reference to _chk functions)
Date: Tue, 22 Oct 2019 05:37:53 +0300

> Cc: 37852 <at> debbugs.gnu.org, Richard Copley <rcopley <at> gmail.com>
> From: Paul Eggert <eggert <at> cs.ucla.edu>
> Date: Mon, 21 Oct 2019 17:40:12 -0700
> 
> I installed the attached patch, to cause the problem to occur only if 
> one configures explicitly with --enable-gcc-warnings. This should fix 
> the problem that Richard reported.

Thanks.

> I don't understand MSYS2 well enough to suggest fixes for Emacs, other 
> than "don't configure with --enable-gcc-warnings and don't compile with 
> _FORTIFY_SOURCE defined".

Should we perhaps test for -lssp, and if it is found, add it to the
link command when we define _FORTIFY_SOURCE?

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