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require 'formula'
class Gmp < Formula
homepage 'http://gmplib.org/'
url 'http://ftpmirror.gnu.org/gmp/gmp-5.0.4.tar.bz2'
mirror 'http://ftp.gnu.org/gnu/gmp/gmp-5.0.4.tar.bz2'
sha1 'ea4ea7c3f10436ef5ae7a75b3fad163a8b86edc0'
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
unless MacOS.xcode_version >= "4.2"
ENV.gcc_4_2
end
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.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
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
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