GEN libavutil/libavutil.version GEN libswscale/libswscale.version GEN libswresample/libswresample.version GEN libpostproc/libpostproc.version GEN libavresample/libavresample.version GEN libavcodec/libavcodec.version GEN libavformat/libavformat.version GEN libavfilter/libavfilter.version GEN libavdevice/libavdevice.version CC libavdevice/alldevices.o arm-linux-androideabi-gcc-4.4.3: unrecognized option '-pthreads' In file included from src/libavutil/internal.h:42, from src/libavutil/common.h:467, from src/libavutil/avutil.h:296, from src/libavutil/log.h:25, from src/libavdevice/avdevice.h:48, from src/libavdevice/alldevices.c:23: src/libavutil/timer.h:38:31: error: linux/perf_event.h: No such file or directory make: *** [libavdevice/alldevices.o] Error 1