GEN libavutil/libavutil.version GEN libswscale/libswscale.version GEN libswresample/libswresample.version GEN libpostproc/libpostproc.version GEN libavcodec/libavcodec.version GEN libavformat/libavformat.version GEN libavfilter/libavfilter.version GEN libavdevice/libavdevice.version CC libavdevice/alldevices.o In file included from src/libavutil/internal.h:106:0, from src/libavutil/common.h:575, from src/libavutil/avutil.h:296, from src/libavcodec/codec.h:26, from src/libavformat/avformat.h:313, from src/libavformat/internal.h:28, from src/libavdevice/alldevices.c:21: src/libavutil/libm.h:340:0: warning: "isnan" redefined [enabled by default] /usr/lib/gcc/i686-w64-mingw32/4.6/../../../../i686-w64-mingw32/include/math.h:369:0: note: this is the location of the previous definition src/libavutil/libm.h:359:0: warning: "isfinite" redefined [enabled by default] /usr/lib/gcc/i686-w64-mingw32/4.6/../../../../i686-w64-mingw32/include/math.h:327:0: note: this is the location of the previous definition In file included from src/libavutil/internal.h:106:0, from src/libavutil/common.h:575, from src/libavutil/avutil.h:296, from src/libavcodec/codec.h:26, from src/libavformat/avformat.h:313, from src/libavformat/internal.h:28, from src/libavdevice/alldevices.c:21: src/libavutil/libm.h:54:53: error: static declaration of 'cbrt' follows non-static declaration src/libavutil/libm.h:61:52: error: static declaration of 'cbrtf' follows non-static declaration src/libavutil/libm.h:68:53: error: static declaration of 'copysign' follows non-static declaration In file included from src/libavutil/internal.h:106:0, from src/libavutil/common.h:575, from src/libavutil/avutil.h:296, from src/libavcodec/codec.h:26, from src/libavformat/avformat.h:313, from src/libavformat/internal.h:28, from src/libavdevice/alldevices.c:21: src/libavutil/libm.h:121:22: error: static declaration of 'erf' follows non-static declaration In file included from src/libavutil/internal.h:106:0, from src/libavutil/common.h:575, from src/libavutil/avutil.h:296, from src/libavcodec/codec.h:26, from src/libavformat/avformat.h:313, from src/libavformat/internal.h:28, from src/libavdevice/alldevices.c:21: src/libavutil/libm.h:366:45: error: static declaration of 'hypot' follows non-static declaration In file included from src/libavutil/internal.h:106:0, from src/libavutil/common.h:575, from src/libavutil/avutil.h:296, from src/libavcodec/codec.h:26, from src/libavformat/avformat.h:313, from src/libavformat/internal.h:28, from src/libavdevice/alldevices.c:21: src/libavutil/libm.h:444:76: error: static declaration of 'round' follows non-static declaration src/libavutil/libm.h:451:75: error: static declaration of 'roundf' follows non-static declaration src/libavutil/libm.h:458:76: error: static declaration of 'trunc' follows non-static declaration src/libavutil/libm.h:465:75: error: static declaration of 'truncf' follows non-static declaration In file included from src/libavformat/internal.h:29:0, from src/libavdevice/alldevices.c:21: src/libavformat/os_support.h: In function 'win32_mkdir': src/libavformat/os_support.h:199:1: error: implicit declaration of function '_wmkdir' [-Werror=implicit-function-declaration] src/libavformat/os_support.h:199:1: error: implicit declaration of function '_mkdir' [-Werror=implicit-function-declaration] src/libavformat/os_support.h: In function 'win32_rmdir': src/libavformat/os_support.h:200:1: error: implicit declaration of function '_wrmdir' [-Werror=implicit-function-declaration] src/libavformat/os_support.h:200:1: error: implicit declaration of function '_rmdir' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors make: *** [libavdevice/alldevices.o] Error 1