require 'formula' class Gmp < Formula homepage 'http://gmplib.org/' url 'ftp://ftp.gmplib.org/pub/gmp-5.1.2/gmp-5.1.2.tar.bz2' mirror 'http://ftp.gnu.org/gnu/gmp/gmp-5.1.2.tar.bz2' sha1 '2cb498322b9be4713829d94dee944259c017d615' option '32-bit' def install if build.build_32_bit? ENV.m32 ENV.append 'ABI', '32' end system "./configure", "--prefix=#{prefix}", "--enable-cxx" system "make" system "make check" ENV.deparallelize system "make install" end end