./configure
 --enable-asm
 --enable-yasm
 --arch=i386
 --disable-ffserver
 --disable-doc
 --disable-ffplay
 --disable-ffprobe
 --disable-ffmpeg
 --enable-shared
 --disable-static
 --disable-bzlib
 --disable-libopenjpeg
 --disable-iconv
 --disable-zlib
 --enable-libopenh264
 --enable-pthreads
 --extra-libs=pthreadVC2.lib
 --extra-cflags=-I$HOME/ffmpeg/include
 --extra-ldflags=-L$HOME/ffmpeg/lib
 --prefix=/c/ffmpeg
 --toolchain=msvc