require 'formula' class Gmp < Formula url 'http://ftpmirror.gnu.org/gmp/gmp-5.0.2.tar.bz2' homepage 'http://gmplib.org/' sha1 '2968220e1988eabb61f921d11e5d2db5431e0a35' def options [ ["--32-bit", "Force 32-bit."], ["--skip-check", "Do not run 'make check' to verify libraries."] ] end def install # Reports of problems using gcc 4.0 on Leopard # https://github.com/mxcl/homebrew/issues/issue/2302 # Also force use of 4.2 on 10.6 in case a user has changed the default ENV.gcc_4_2 args = ["--prefix=#{prefix}", "--enable-cxx"] # Build 32-bit where appropriate, and help configure find 64-bit CPUs # see: http://gmplib.org/macos.html if MacOS.prefer_64_bit? and not ARGV.include? "--32-bit" ENV.m64 args << "--build=x86_64-apple-darwin" else ENV.m32 args << "--build=none-apple-darwin" end system "./configure", *args system "make" ENV.j1 # Doesn't install in parallel on 8-core Mac Pro system "make install" # Different compilers and options can cause tests to fail even # if everything compiles, so yes, we want to do this step. system "make check" unless ARGV.include? "--skip-check" end end