Jakub Jelinek <ja...@redhat.com> writes:
> That looks wrong, the test was intentionally looking for badly implemented
> vsnprintf, see
> http://www.gnu.org/software/gnulib/manual/html_node/snprintf.html
> "This function does not return a byte count as specified in C99 on some
> platforms: HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw."
>
> The implementation relies on the returned byte count to be exactly correct,
> so it can't be implemented on platforms where that is not the case.
>
> Not sure which of the targets from the above list we still support,
> certainly at least mingw, though in that case I don't know if it hasn't been
> fixed there. So, as Joseph said, you probably should keep the runtime test
> as is, and just for cross compiling replace the unconditional =undef with
> an optimistic assumption followed by a blacklist of platforms where it is
> known not to work.
IRIX 6.5 and Tru64 UNIX V5.1 support have been removed in GCC 4.8, but
Solaris 9 is still supported up to GCC 4.9, though deprecated.
Rainer
--
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Rainer Orth, Center for Biotechnology, Bielefeld University
