Merge remote branch 'qatar/master'
os: fix OpenBSD/PowerPC compilation
When attempting to re-enable the AltiVec support it was noticedthat we need to undefine _POSIX_C_SOURCE to appease the headersfor ff_get_cpu_flags_ppc() to be able to compile.
Signed-off-by: Luca Barbato <firstname.lastname@example.org>
Replace FFmpeg with Libav in licence headers
Signed-off-by: Mans Rullgard <email@example.com>
Clean up av_get_cpu_flag()
Instead of defining functions in per-arch header files includedby the main cpu.c, define them normally and call them from thegeneric one.
Originally committed as revision 25084 to svn://svn.ffmpeg.org/ffmpeg/trunk