LDFLAS="-L/opt/libs/lib" \
CFLAGS="-I/opt/libs/include -I/opt/libs/include/SDL" \
./configure --target-os=mingw32 \
 --cross-prefix=i686-pc-mingw32- \
 --arch=x86 \
 --enable-gpl --enable-version3 \
 --enable-avisynth \
 --enable-runtime-cpudetect \
 --enable-libvorbis \
 --enable-static \
 --enable-libmp3lame --enable-libopencore-amrnb \
 --enable-libopencore-amrwb \
 --enable-swscale \
 --enable-bzlib \
 --enable-libvpx --enable-libvo-aacenc \
 --postproc-version='current' \
 --enable-hwaccels  --enable-frei0r \
 --enable-libopenjpeg --enable-libxvid --enable-libtheora  \
 --enable-libx264 --enable-libfreetype --enable-libspeex \
 --enable-libgsm --enable-libxavs --enable-zlib --disable-w32threads \
 --enable-filter=frei0r \
 --enable-librtmp \
 --extra-libs='-lfreetype -lx264  -lspeex -lxavs -L/opt/libs/lib -lmingw32 -lSDLmain -lSDL -liconv -lm -luser32 -lgdi32 -lwinmm'