require 'formula' class Chicken < Formula url 'http://code.call-cc.org/releases/4.7.0/chicken-4.7.0.tar.gz' md5 '9389388fdf04c3c64de29633aae12539' homepage 'http://www.call-cc.org/' head 'git://code.call-cc.org/chicken-core' fails_with_llvm "See http://lists.gnu.org/archive/html/chicken-users/2010-12/msg00158.html" def install ENV.deparallelize args = ["PREFIX=#{prefix}", "PLATFORM=macosx", "C_COMPILER=#{ENV.cc}"] # Chicken uses a non-standard var. for this args << "ARCH=x86-64" if MacOS.prefer_64_bit? system "make", *args system "make", "install", *args end end