[Bug libfortran/46267] strerror() is not necessarily thread-safe

[jvdelisle at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46267

Jerry DeLisle <jvdelisle at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jvdelisle at gcc dot
                   |                            |gnu.org

--- Comment #1 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> 2010-11-02 
12:43:13 UTC ---
I see strerror used in two places:

./intrinsics/gerror.c:  p = strerror (errno);
./io/unix.c:  return strerror (errno);

There seems to be some configury already in config.h.in for something here.

Can we simply define _GNU_SOURCE to get strerror_r and then just use it?