cp libf2c.a libf2c.2.1.dylib /opt/local/lib/
ranlib /opt/local/lib/libf2c.a
(cd /opt/local/lib/ &&
[ ! -f libf2c.dylib ] || rm -f libf2c.dylib
ln -s libf2c.2.1.dylib libf2c.dylib
)
#cp f2c.h /opt/local/include/