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

[redi at gcc dot gnu.org]

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

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-11-02 
13:06:22 UTC ---
(In reply to comment #1)
> Can we simply define _GNU_SOURCE to get strerror_r and then just use it?

What about non-glibc systems?