[Bug libquadmath/55225] Fail to build lgammaq.c from trunk with mingw-w64

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55225

Tobias Burnus <burnus at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |burnus at gcc dot gnu.org
         Resolution|                            |FIXED

--- Comment #5 from Tobias Burnus <burnus at gcc dot gnu.org> 2012-11-21 13:48:48 UTC ---
FIXED on the trunk (4.8), which was only affected.

While POSIX requires that signgam is used for lgamma and, hence, math.h
includes it. C99 doesn't have signgam.

Thus, even if MinGW-w64 now supports it, a configure check makes sense as other
systems might not (yet?) support it.