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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'
option '32-bit'
option 'skip-check', 'Do not run `make check`'
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 if MacOS::Xcode.provides_gcc?
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 build.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 build.include? "skip-check"
system "make install"
end
end
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