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require 'formula'
class NeedsSnowLeopard < Requirement
def satisfied?
MacOS.snow_leopard?
end
def message; <<-EOS.undent
GHC requires OS X 10.6 or newer. The binary releases no longer work on
Leopard. See the following issue for details:
http://hackage.haskell.org/trac/ghc/ticket/6009
EOS
end
def fatal?; false; end # why is this non-fatal? is 10.6 required or not?
end
class Ghc < Formula
homepage 'http://haskell.org/ghc/'
version '7.4.2'
if Hardware.is_64_bit? and not ARGV.build_32_bit?
url 'http://www.haskell.org/ghc/dist/7.4.2/ghc-7.4.2-x86_64-apple-darwin.tar.bz2'
sha1 '7c655701672f4b223980c3a1068a59b9fbd08825'
else
url 'http://www.haskell.org/ghc/dist/7.4.2/ghc-7.4.2-i386-apple-darwin.tar.bz2'
sha1 '60f749893332d7c22bb4905004a67510992d8ef6'
end
depends_on NeedsSnowLeopard.new
# Avoid stripping the Haskell binaries & libraries.
# See: http://hackage.haskell.org/trac/ghc/ticket/2458
skip_clean ['bin', 'lib']
fails_with :clang do
build 318
cause <<-EOS.undent
Building with Clang configures GHC to use Clang as its preprocessor,
which causes subsequent GHC-based builds to fail.
EOS
end
def options
[['--32-bit', 'Build 32-bit only.']]
end
def install
system "./configure", "--prefix=#{prefix}"
system "make install"
end
def caveats; <<-EOS.undent
This brew is for GHC only; you might also be interested in haskell-platform.
EOS
end
end
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