homebrew-core/Formula/ghc.rb
2016-05-25 09:26:34 -07:00

137 lines
5.4 KiB
Ruby

class Ghc < Formula
desc "Glorious Glasgow Haskell Compilation System"
homepage "https://haskell.org/ghc/"
url "https://downloads.haskell.org/~ghc/8.0.1/ghc-8.0.1-src.tar.xz"
sha256 "90fb20cd8712e3c0fbeb2eac8dab6894404c21569746655b9b12ca9684c7d1d2"
bottle do
cellar :any
sha256 "950b8ce79292f62f01327d7dbec598187ee5f26360c1393b6de56a4bc3dc237d" => :el_capitan
sha256 "6ed36065af3ee25688d104bd1b15be7a8e531a31af0d375f4b8b5b331a13de98" => :yosemite
sha256 "ea383499e518fa6ac12f472ae3e245eebec9ab6b7c4ad2396a61911d8c1f58c5" => :mavericks
end
option "with-test", "Verify the build using the testsuite"
deprecated_option "tests" => "with-test"
deprecated_option "with-tests" => "with-test"
resource "gmp" do
url "http://ftpmirror.gnu.org/gmp/gmp-6.1.0.tar.bz2"
mirror "https://gmplib.org/download/gmp/gmp-6.1.0.tar.bz2"
mirror "https://ftp.gnu.org/gnu/gmp/gmp-6.1.0.tar.bz2"
sha256 "498449a994efeba527885c10405993427995d3f86b8768d8cdf8d9dd7c6b73e8"
end
if MacOS.version <= :lion
fails_with :clang do
cause <<-EOS.undent
Fails to bootstrap ghc-cabal. Error is:
libraries/Cabal/Cabal/Distribution/Compat/Binary/Class.hs:398:14:
The last statement in a 'do' block must be an expression
n <- get :: Get Int getMany n
EOS
end
end
resource "binary" do
if MacOS.version <= :lion
url "https://downloads.haskell.org/~ghc/7.6.3/ghc-7.6.3-x86_64-apple-darwin.tar.bz2"
sha256 "f7a35bea69b6cae798c5f603471a53b43c4cc5feeeeb71733815db6e0a280945"
else
url "https://downloads.haskell.org/~ghc/8.0.1/ghc-8.0.1-x86_64-apple-darwin.tar.xz"
sha256 "06ec33056b927da5e68055147f165f873088f6812fe0c642c4c78c9a449fbc42"
end
end
resource "testsuite" do
url "https://downloads.haskell.org/~ghc/8.0.1/ghc-8.0.1-testsuite.tar.xz"
sha256 "bc57163656ece462ef61072559d491b72c5cdd694f3c39b80ac0f6b9a3dc8151"
end
def install
# Setting -march=native, which is what --build-from-source does, fails
# on Skylake (and possibly other architectures as well) with the error
# "Segmentation fault: 11" for at least the following files:
# utils/haddock/dist/build/Haddock/Backends/Hyperlinker/Types.dyn_o
# utils/haddock/dist/build/Documentation/Haddock/Types.dyn_o
# utils/haddock/dist/build/Haddock/GhcUtils.dyn_o
# utils/haddock/dist/build/Paths_haddock.dyn_o
# utils/haddock/dist/build/ResponseFile.dyn_o
# Setting -march=core2 works around the bug.
# Reported 22 May 2016: https://ghc.haskell.org/trac/ghc/ticket/12100
# Note that `unless build.bottle?` avoids overriding --bottle-arch=[...].
ENV["HOMEBREW_OPTFLAGS"] = "-march=#{Hardware.oldest_cpu}" unless build.bottle?
# Build a static gmp rather than in-tree gmp, otherwise it links to brew's.
gmp = libexec/"integer-gmp"
# MPN_PATH: The lowest common denominator asm paths that work on Darwin,
# corresponding to Yonah and Merom. Obviates --disable-assembly.
ENV["MPN_PATH"] = "x86_64/fastsse x86_64/core2 x86_64 generic" if build.bottle?
# GMP *does not* use PIC by default without shared libs so --with-pic
# is mandatory or else you'll get "illegal text relocs" errors.
resource("gmp").stage do
system "./configure", "--prefix=#{gmp}", "--with-pic", "--disable-shared"
system "make"
system "make", "check"
ENV.deparallelize { system "make", "install" }
end
args = ["--with-gmp-includes=#{gmp}/include",
"--with-gmp-libraries=#{gmp}/lib",
"--with-ld=ld", # Avoid hardcoding superenv's ld.
"--with-gcc=#{ENV.cc}"] # Always.
if ENV.compiler == :clang
args << "--with-clang=#{ENV.cc}"
elsif ENV.compiler == :llvm
args << "--with-gcc-4.2=#{ENV.cc}"
end
# As of Xcode 7.3 (and the corresponding CLT) `nm` is a symlink to `llvm-nm`
# and the old `nm` is renamed `nm-classic`. Building with the new `nm`, a
# segfault occurs with the following error:
# make[1]: * [compiler/stage2/dll-split.stamp] Segmentation fault: 11
# Upstream is aware of the issue and is recommending the use of nm-classic
# until Apple restores POSIX compliance:
# https://ghc.haskell.org/trac/ghc/ticket/11744
# https://ghc.haskell.org/trac/ghc/ticket/11823
# https://mail.haskell.org/pipermail/ghc-devs/2016-April/011862.html
# LLVM itself has already fixed the bug: llvm-mirror/llvm@ae7cf585
# rdar://25311883 and rdar://25299678
args << "--with-nm=#{`xcrun --find nm-classic`.chomp}" if MacOS.clang_build_version >= 703
resource("binary").stage do
binary = buildpath/"binary"
system "./configure", "--prefix=#{binary}", *args
ENV.deparallelize { system "make", "install" }
ENV.prepend_path "PATH", binary/"bin"
end
system "./configure", "--prefix=#{prefix}", *args
system "make"
if build.bottle? || build.with?("test")
resource("testsuite").stage { buildpath.install Dir["*"] }
cd "testsuite" do
system "make", "clean"
system "make", "CLEANUP=1", "THREADS=#{ENV.make_jobs}", "fast"
end
end
ENV.deparallelize { system "make", "install" }
Dir.glob(lib/"*/package.conf.d/package.cache") { |f| rm f }
end
def post_install
system "#{bin}/ghc-pkg", "recache"
end
test do
(testpath/"hello.hs").write('main = putStrLn "Hello Homebrew"')
system "#{bin}/runghc", testpath/"hello.hs"
end
end