lib/libf2c.so: undefined reference to `MAIN__'

ok, just link with the static library "libf2c.a"

sudo rm /usr/lib/libf2c.so && sudo ln -s /usr/lib/libf2c.a /usr/lib/libf2c.so

http://byeworld.blogspot.com/2009/01/libf2cso-undefined-reference-to-main.html