Merge remote-tracking branch 'qatar/master'
* qatar/master:
compat: wrap math.h to avoid AIX-specific clashes
Conflicts:
configure
See: bf18abb2eb79c00c69f6f83ede64536e3297793c, 0915b531bc62440914710d2989813563b0446c5e
Merged-by: Michael Niedermayer <michaelni@gmx.at>