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require 'formula'
class NeedsSnowLeopard < Requirement
def satisfied?
MacOS.version >= :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
end
class Ghcbinary < Formula
if Hardware.is_64_bit? and not build.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
version '7.4.2'
end
class Ghctestsuite < Formula
url 'https://github.com/ghc/testsuite/tarball/ghc-7.4.2-release'
sha1 '6b1f161a78a70638aacc931abfdef7dd50c7f923'
end
class Ghc < Formula
homepage 'http://haskell.org/ghc/'
url 'http://www.haskell.org/ghc/dist/7.4.2/ghc-7.4.2-src.tar.bz2'
sha1 '73b3b39dc164069bc80b69f7f2963ca1814ddf3d'
env :std
depends_on NeedsSnowLeopard.new
option '32-bit'
option 'tests', 'Verify the build using the testsuite in Fast Mode, 5 min'
fails_with :clang do
build 421
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 patches
# Explained: http://hackage.haskell.org/trac/ghc/ticket/7040
# Discussed: https://github.com/mxcl/homebrew/issues/13519
# Remove: version > 7.4.2
'http://hackage.haskell.org/trac/ghc/raw-attachment/ticket/7040/ghc7040.patch'
end
def install
# Move the main tarball contents into a subdirectory
(buildpath+'Ghcsource').install Dir['*']
# Define where the subformula will temporarily install itself
subprefix = buildpath+'subfo'
Ghcbinary.new.brew do
system "./configure", "--prefix=#{subprefix}"
# Temporary j1 to stop an intermittent race condition
system 'make', '-j1', 'install'
ENV.prepend 'PATH', subprefix/'bin', ':'
end
cd 'Ghcsource' do
# Fix an assertion when linking ghc with llvm-gcc
# https://github.com/mxcl/homebrew/issues/13650
ENV['LD'] = 'ld'
if Hardware.is_64_bit? and not build.build_32_bit?
arch = 'x86_64'
else
arch = 'i386'
end
system "./configure", "--prefix=#{prefix}",
"--build=#{arch}-apple-darwin"
system 'make'
if build.include? 'tests'
Ghctestsuite.new.brew do
(buildpath+'Ghcsource/config').install Dir['config/*']
(buildpath+'Ghcsource/driver').install Dir['driver/*']
(buildpath+'Ghcsource/mk').install Dir['mk/*']
(buildpath+'Ghcsource/tests').install Dir['tests/*']
(buildpath+'Ghcsource/timeout').install Dir['timeout/*']
cd (buildpath+'Ghcsource/tests') do
system 'make', 'CLEANUP=1', "THREADS=#{ENV.make_jobs}", 'fast'
end
end
end
ENV.j1 # Fixes an intermittent race condition
system 'make', 'install'
end
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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