homebrew-core/Formula/mpfr.rb

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require 'formula'
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class Mpfr < Formula
url 'http://www.mpfr.org/mpfr-3.1.0/mpfr-3.1.0.tar.bz2'
homepage 'http://www.mpfr.org/'
md5 '238ae4a15cc3a5049b723daef5d17938'
depends_on 'gmp'
def options
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[["--32-bit", "Build 32-bit only."]]
end
def patches
{ :p1 => "http://www.mpfr.org/mpfr-3.1.0/allpatches" }
end
def install
args = ["--disable-dependency-tracking", "--prefix=#{prefix}"]
# Build 32-bit where appropriate, and help configure find 64-bit CPUs
# Note: This logic should match what the GMP formula does.
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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 install"
end
end