swscale_template.c:1171: warning: implicit declaration of function ‘altivec_yuv2packedX’
swscale.c:1982: warning: implicit declaration of function ‘yuv2rgb_altivec_init_tables’
yuv2rgb.c:652: warning: implicit declaration of function ‘yuv2rgb_init_altivec’

Originally committed as revision 25319 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale