编译directfb

export CPPFLAGS="-I/opt/usr/include"
export CFLAGS="-I/opt/usr/include"
export LDFLAGS="-L/opt/usr/lib"
export PKG_CONFIG_PATH="/opt/usr/lib/pkgconfig"


./configure --host=arm-linux --build=i686-pc-linux-gnu --prefix=/opt/usr --exec-prefix=/opt/usr --enable-zlib --disable-x11 --enable-fbdev --disable-sdl --disable-vnc --disable-jpeg --disable-gif