libavformat/udp.c:40:5: warning: "HAVE_PTHREAD_CANCEL" is not defined [-Wundef]
libavformat/udp.c:68:5: warning: "HAVE_PTHREAD_CANCEL" is not defined [-Wundef]
libavformat/udp.c: In function 'udp_set_multicast_sources':
libavformat/udp.c:195:5: warning: "HAVE_STRUCT_GROUP_SOURCE_REQ" is not defined [-Wundef]
libavformat/udp.c:223:7: warning: "HAVE_STRUCT_IP_MREQ_SOURCE" is not defined [-Wundef]
libavformat/udp.c: At top level:
libavformat/udp.c:402:5: warning: "HAVE_PTHREAD_CANCEL" is not defined [-Wundef]
libavformat/udp.c: In function 'udp_open':
libavformat/udp.c:499:18: error: 'HAVE_PTHREAD_CANCEL' undeclared (first use in this function)
libavformat/udp.c:499:18: note: each undeclared identifier is reported only once for each function it appears in
libavformat/udp.c:652:5: warning: "HAVE_PTHREAD_CANCEL" is not defined [-Wundef]
libavformat/udp.c:678:5: warning: "HAVE_PTHREAD_CANCEL" is not defined [-Wundef]
libavformat/udp.c: In function 'udp_read':
libavformat/udp.c:699:5: warning: "HAVE_PTHREAD_CANCEL" is not defined [-Wundef]
libavformat/udp.c:697:16: warning: unused variable 'nonblock' [-Wunused-variable]
libavformat/udp.c:697:9: warning: unused variable 'avail' [-Wunused-variable]
libavformat/udp.c: In function 'udp_close':
libavformat/udp.c:779:5: warning: "HAVE_PTHREAD_CANCEL" is not defined [-Wundef]
libavformat/udp.c:774:9: warning: unused variable 'ret' [-Wunused-variable]
make[1]: *** [libavformat/udp.o] Error 1
make[1]: Leaving directory `/home/philip/Downloads/mplayer-export-2012-07-19/ffmpeg'
make: *** [ffmpeg/libavformat/libavformat.a] Error 2