Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 16b771b1f47daa9fec84477040984d83a92ba4a6)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.' to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_".
Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
