./configure --disable-everything --enable-libvpx --enable-demuxer=image2 --enable-encoder=libvpx --enable-encoder=vorbis --enable-memalign-hack --arch=x86 --target-os=mingw32 --enable-cross-compile --cross-prefix=i486-mingw32- --extra-cflags="-I/usr/include" --extra-ldflags="-L/usr/lib" ERROR: libvpx encoder version must be >=0.9.6 ... check_cc BEGIN /tmp/ffconf.J7YRVOR9.c 1 #include 2 float foo(float f) { return log2(f); } 3 int main(void){ return (int) foo; } END /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -I/usr/include -std=c99 -fno-common -fomit-frame-pointer -c -o /tmp/ffconf.6sHPyzxc.o /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -L/usr/lib -Wl,--as-needed -o /tmp/ffconf.vm3XipYo.exe /tmp/ffconf.6sHPyzxc.o -lm -lpsapi check_mathfunc log2f check_ld cc check_cc BEGIN /tmp/ffconf.J7YRVOR9.c 1 #include 2 float foo(float f) { return log2f(f); } 3 int main(void){ return (int) foo; } END /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -I/usr/include -std=c99 -fno-common -fomit-frame-pointer -c -o /tmp/ffconf.6sHPyzxc.o /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -L/usr/lib -Wl,--as-needed -o /tmp/ffconf.vm3XipYo.exe /tmp/ffconf.6sHPyzxc.o -lm -lpsapi check_mathfunc lrint check_ld cc check_cc BEGIN /tmp/ffconf.J7YRVOR9.c 1 #include 2 float foo(float f) { return lrint(f); } 3 int main(void){ return (int) foo; } END /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -I/usr/include -std=c99 -fno-common -fomit-frame-pointer -c -o /tmp/ffconf.6sHPyzxc.o /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -L/usr/lib -Wl,--as-needed -o /tmp/ffconf.vm3XipYo.exe /tmp/ffconf.6sHPyzxc.o -lm -lpsapi check_mathfunc lrintf check_ld cc check_cc BEGIN /tmp/ffconf.J7YRVOR9.c 1 #include 2 float foo(float f) { return lrintf(f); } 3 int main(void){ return (int) foo; } END /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -I/usr/include -std=c99 -fno-common -fomit-frame-pointer -c -o /tmp/ffconf.6sHPyzxc.o /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -L/usr/lib -Wl,--as-needed -o /tmp/ffconf.vm3XipYo.exe /tmp/ffconf.6sHPyzxc.o -lm -lpsapi check_mathfunc round check_ld cc check_cc BEGIN /tmp/ffconf.J7YRVOR9.c 1 #include 2 float foo(float f) { return round(f); } 3 int main(void){ return (int) foo; } END /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -I/usr/include -std=c99 -fno-common -fomit-frame-pointer -c -o /tmp/ffconf.6sHPyzxc.o /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -L/usr/lib -Wl,--as-needed -o /tmp/ffconf.vm3XipYo.exe /tmp/ffconf.6sHPyzxc.o -lm -lpsapi check_mathfunc roundf check_ld cc check_cc BEGIN /tmp/ffconf.J7YRVOR9.c 1 #include 2 float foo(float f) { return roundf(f); } 3 int main(void){ return (int) foo; } END /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -I/usr/include -std=c99 -fno-common -fomit-frame-pointer -c -o /tmp/ffconf.6sHPyzxc.o /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -L/usr/lib -Wl,--as-needed -o /tmp/ffconf.vm3XipYo.exe /tmp/ffconf.6sHPyzxc.o -lm -lpsapi check_mathfunc trunc check_ld cc check_cc BEGIN /tmp/ffconf.J7YRVOR9.c 1 #include 2 float foo(float f) { return trunc(f); } 3 int main(void){ return (int) foo; } END /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -I/usr/include -std=c99 -fno-common -fomit-frame-pointer -c -o /tmp/ffconf.6sHPyzxc.o /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -L/usr/lib -Wl,--as-needed -o /tmp/ffconf.vm3XipYo.exe /tmp/ffconf.6sHPyzxc.o -lm -lpsapi check_mathfunc truncf check_ld cc check_cc BEGIN /tmp/ffconf.J7YRVOR9.c 1 #include 2 float foo(float f) { return truncf(f); } 3 int main(void){ return (int) foo; } END /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -I/usr/include -std=c99 -fno-common -fomit-frame-pointer -c -o /tmp/ffconf.6sHPyzxc.o /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -L/usr/lib -Wl,--as-needed -o /tmp/ffconf.vm3XipYo.exe /tmp/ffconf.6sHPyzxc.o -lm -lpsapi check_lib2 vpx/vpx_encoder.h vpx/vp8cx.h vpx_codec_enc_init_ver VPX_CQ -lvpx check_func_headers vpx/vpx_encoder.h vpx/vp8cx.h vpx_codec_enc_init_ver VPX_CQ -lvpx check_ld cc -lvpx check_cc BEGIN /tmp/ffconf.J7YRVOR9.c 1 #include 2 #include 3 long check_vpx_codec_enc_init_ver(void) { return (long) vpx_codec_enc_init_ver; } 4 long check_VPX_CQ(void) { return (long) VPX_CQ; } 5 int main(void) { return 0; } END /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -I/usr/include -std=c99 -fno-common -fomit-frame-pointer -c -o /tmp/ffconf.6sHPyzxc.o /tmp/ffconf.J7YRVOR9.c i486-mingw32-gcc -L/usr/lib -Wl,--as-needed -o /tmp/ffconf.vm3XipYo.exe /tmp/ffconf.6sHPyzxc.o -lvpx -lm -lpsapi /tmp/ffconf.6sHPyzxc.o:ffconf.J7YRVOR9.c:(.text+0x1b): undefined reference to `_vpx_codec_control_' /tmp/ffconf.6sHPyzxc.o:ffconf.J7YRVOR9.c:(.text+0x3e): undefined reference to `_vpx_codec_control_' /tmp/ffconf.6sHPyzxc.o:ffconf.J7YRVOR9.c:(.text+0x61): undefined reference to `_vpx_codec_control_' /tmp/ffconf.6sHPyzxc.o:ffconf.J7YRVOR9.c:(.text+0x84): undefined reference to `_vpx_codec_control_' /tmp/ffconf.6sHPyzxc.o:ffconf.J7YRVOR9.c:(.text+0xa7): undefined reference to `_vpx_codec_control_' /tmp/ffconf.6sHPyzxc.o:ffconf.J7YRVOR9.c:(.text+0xca): more undefined references to `_vpx_codec_control_' follow /tmp/ffconf.6sHPyzxc.o:ffconf.J7YRVOR9.c:(.text+0x3b2): undefined reference to `_vpx_codec_enc_init_ver' collect2: ld returned 1 exit status ERROR: libvpx encoder version must be >=0.9.6