require 'formula' # Installs the binary build of MLton. # Since MLton is written in ML, building from source # would require an existing ML compiler/interpreter for bootstrapping. class Mlton < Formula homepage 'http://mlton.org' url 'http://mlton.org/pages/Download/attachments/mlton-20100608-1.amd64-darwin.gmp-static.tgz' md5 'd32430f2b66f05ac0ef6ff087ea109ca' # We download and install the version of MLton which is statically linked to libgmp, but all # generated executables will require gmp anyway, hence the dependency depends_on 'gmp' skip_clean :all def install unless HOMEBREW_PREFIX.to_s == "/usr/local" opoo "mlton won't work outside of /usr/local." puts "Because this uses pre-compiled binaries, it will not work if" puts "Homebrew is installed somewhere other than /usr/local; mlton" puts "will be unable to find GMP." end cd "local" do # Remove OS X droppings rm Dir["man/man1/._*"] mv "man", "share" prefix.install Dir['*'] end end end