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
In file included from src/libavutil/thread.h:133:0,
                 from src/libavdevice/alldevices.c:22:
src/compat/w32pthreads.h:122:1: error: unknown type name 'INIT_ONCE'
src/compat/w32pthreads.h: In function 'pthread_once':
src/compat/w32pthreads.h:128:5: warning: passing argument 1 of 'InitOnceBeginInitialize' from incompatible pointer type [enabled by default]
/usr/lib/gcc/i686-w64-mingw32/4.6/../../../../i686-w64-mingw32/include/winbase.h:2806:65: note: expected 'LPINIT_ONCE' but argument is of type 'pthread_once_t *'
src/compat/w32pthreads.h:131:5: warning: passing argument 1 of 'InitOnceComplete' from incompatible pointer type [enabled by default]
/usr/lib/gcc/i686-w64-mingw32/4.6/../../../../i686-w64-mingw32/include/winbase.h:2807:65: note: expected 'LPINIT_ONCE' but argument is of type 'pthread_once_t *'
src/libavdevice/alldevices.c: In function 'avdevice_register_all':
src/libavdevice/alldevices.c:75:37: error: 'INIT_ONCE_STATIC_INIT' undeclared (first use in this function)
src/libavdevice/alldevices.c:75:37: note: each undeclared identifier is reported only once for each function it appears in
make: *** [libavdevice/alldevices.o] Error 1