require 'formula' class Gmp < Formula homepage 'http://gmplib.org/' url 'http://ftpmirror.gnu.org/gmp/gmp-5.0.5.tar.bz2' mirror 'http://ftp.gnu.org/gnu/gmp/gmp-5.0.5.tar.bz2' sha256 '1f588aaccc41bb9aed946f9fe38521c26d8b290d003c5df807f65690f2aadec9' def options [ ["--32-bit", "Build 32-bit only."], ["--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 # Do not force if xcode > 4.2 since it does not have /usr/bin/gcc-4.2 as default # FIXME convert this to appropriate fails_with annotations ENV.gcc unless MacOS.xcode_version.to_f >= 4.2 args = %W[--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.build_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 # Upstream implores users to always run the test suite system "make check" unless ARGV.include? "--skip-check" system "make install" end end