echo "--cc= Specify compiler to use"
echo "--extra-cflags= Specify extra CFLAGS to pass to compiler"
echo "--build-32bit-win= Specify yes for a 32-bit build on Windows"
echo "--cc= Specify compiler to use"
echo "--extra-cflags= Specify extra CFLAGS to pass to compiler"
echo "--build-32bit-win= Specify yes for a 32-bit build on Windows"