homebrew-core/Formula/ruby-enterprise-edition.rb

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require 'formula'
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class RubyEnterpriseEdition < Formula
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homepage 'http://rubyenterpriseedition.com/'
url 'http://rubyenterpriseedition.googlecode.com/files/ruby-enterprise-1.8.7-2011.03.tar.gz'
sha1 '662f37afbe04f3a55ac3b119227a2cd4e53745bf'
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env :std
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option 'enable-shared', "Compile shared, but see caveats"
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depends_on 'readline'
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fails_with :llvm
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def install
readline = Formula.factory('readline').prefix
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args = ["--auto", prefix, '--no-tcmalloc']
args << '-c' << '--enable-shared' if build.include? 'enable-shared'
# Configure will complain that this is an unknown option, but it is actually OK
args << '-c' << "--with-readline-dir=#{readline}"
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system './installer', *args
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end
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def caveats; <<-EOS.undent
By default we don't compile REE as a shared library. From their documentation:
Please note that enabling --enable-shared will make the Ruby interpreter
about 20% slower.
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For desktop environments (particularly ones requiring RubyCocoa) this is
acceptable and even desirable.
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If you need REE to be compiled as a shared library, you can re-compile like so:
brew install ruby-enterprise-edition --force --enable-shared
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EOS
end
end