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

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Package: emacs;

Reported by: Richard Copley <rcopley <at> gmail.com>

Date: Mon, 21 Oct 2019 12:30:02 UTC

Severity: normal

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: andrewjmoreton <at> gmail.com
Cc: 37852 <at> debbugs.gnu.org
Subject: bug#37852: Build failure on MSYS2 (undefined reference to _chk functions)
Date: Mon, 21 Oct 2019 19:55:49 +0300

> Date: Mon, 21 Oct 2019 19:36:17 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 37852 <at> debbugs.gnu.org
> 
> > See GNULIB_PORTCHECK_FORTIFY_SOURCE in configure.ac - the relevant macro
> > is _FORTIFY_SOURCE.
> 
> Thanks, I indeed missed that.
> 
> > Building with -D_FORTIFY_SOURCE=0 also works, but your suggestion to add
> > the missing library is a better workaround than disabling the checks.

Btw, this sounds like a bug in MinGW64 headers: they shouldn't
generate references to the _chk functions without making sure,
e.g. via specs or somesuch, that libssp is linked against.  It's worth
reporting to the MSYS2 folks, I think.
This bug report was last modified 5 years and 209 days ago.

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