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require 'formula'
class Gmp4 < Formula
url 'ftp://ftp.gmplib.org/pub/gmp-4.3.2/gmp-4.3.2.tar.bz2'
homepage 'http://gmplib.org/'
sha1 'c011e8feaf1bb89158bd55eaabd7ef8fdd101a2c'
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
if MacOS.prefer_64_bit? and not ARGV.include? "--32-bit"
ENV.m64
args << "--build=x86_64-apple-darwin"
else
ENV.m32
args << "--host=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