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require 'formula'
class Ghc < Formula
homepage 'http://haskell.org/ghc/'
version '7.0.4'
if ARGV.include? '--64bit'
url "http://www.haskell.org/ghc/dist/7.0.4/ghc-7.0.4-x86_64-apple-darwin.tar.bz2"
md5 'af89d3d2ca6e9b23384baacb7d8161dd'
else
url "http://www.haskell.org/ghc/dist/7.0.4/ghc-7.0.4-i386-apple-darwin.tar.bz2"
md5 'ce297e783d113cf1547386703d1b1061'
end
# Avoid stripping the Haskell binaries & libraries.
# See: http://hackage.haskell.org/trac/ghc/ticket/2458
skip_clean ['bin', 'lib']
def options
[['--64bit', 'Install 64-bit version of GHC (experimental).']]
end
def install
if ARGV.include? '--64bit'
if Hardware.is_64_bit?
opoo "The x86_64 version is experimental!"
else
onoe "The x86_64 version is only for 64-bit hardware."
exit 1
end
end
system "./configure --prefix=#{prefix}"
system "make install"
end
def caveats; <<-EOS.undent
The 32-bit version of GHC is installed by default, as the x84_64 version is
labelled experimental. Override with `--64bit`.
This brew is for GHC only; you might also be interested in haskell-platform.
EOS
end
end
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