require "language/haskell" class Ghc < Formula include Language::Haskell::Cabal desc "Glorious Glasgow Haskell Compilation System" homepage "https://haskell.org/ghc/" url "https://downloads.haskell.org/~ghc/8.2.2/ghc-8.2.2-src.tar.xz" sha256 "bb8ec3634aa132d09faa270bbd604b82dfa61f04855655af6f9d14a9eedc05fc" bottle do sha256 "85937c1fca6a2979a8b0d0634b8353e44319fd21d27e7dd0e67e23270fb94a3b" => :high_sierra sha256 "2c482188bcc18cc7976d7519258fe9a81adee93587a84af5c314eac9660cf624" => :sierra sha256 "e12f013930d7ca6b988fb946ace0b58be5b5c057270fd3c3433524739f9af374" => :el_capitan end head do url "https://git.haskell.org/ghc.git", :branch => "ghc-8.2" depends_on "autoconf" => :build depends_on "automake" => :build depends_on "libtool" => :build resource "cabal" do url "https://hackage.haskell.org/package/cabal-install-1.24.0.2/cabal-install-1.24.0.2.tar.gz" sha256 "2ac8819238a0e57fff9c3c857e97b8705b1b5fef2e46cd2829e85d96e2a00fe0" end end option "with-test", "Verify the build using the testsuite" option "without-docs", "Do not build documentation (including man page)" deprecated_option "tests" => "with-test" deprecated_option "with-tests" => "with-test" depends_on :macos => :lion depends_on :python3 => :build if build.bottle? || build.with?("test") depends_on "sphinx-doc" => :build if build.with? "docs" resource "gmp" do url "https://ftp.gnu.org/gnu/gmp/gmp-6.1.2.tar.xz" mirror "https://gmplib.org/download/gmp/gmp-6.1.2.tar.xz" mirror "https://ftpmirror.gnu.org/gmp/gmp-6.1.2.tar.xz" sha256 "87b565e89a9a684fe4ebeeddb8399dce2599f9c9049854ca8c0dfbdea0e21912" end if MacOS.version <= :lion fails_with :clang do cause <<~EOS 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 # https://www.haskell.org/ghc/download_ghc_8_0_1#macosx_x86_64 # "This is a distribution for Mac OS X, 10.7 or later." resource "binary" do url "https://downloads.haskell.org/~ghc/8.2.2/ghc-8.2.2-x86_64-apple-darwin.tar.xz" sha256 "f90fcf62f7e0936a6dfc3601cf663729bfe9bbf85097d2d75f0a16f8c2e95c27" end resource "testsuite" do url "https://downloads.haskell.org/~ghc/8.2.2/ghc-8.2.2-testsuite.tar.xz" sha256 "927ff939f46a0f79aa87e16e56e0a024a288c78259bed874cb15aa96a653566c" end def install ENV["CC"] = ENV.cc ENV["LD"] = "ld" # 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"] # 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 if DevelopmentTools.clang_build_version >= 703 && DevelopmentTools.clang_build_version < 800 args << "--with-nm=#{`xcrun --find nm-classic`.chomp}" end resource("binary").stage do binary = buildpath/"binary" system "./configure", "--prefix=#{binary}", *args ENV.deparallelize { system "make", "install" } ENV.prepend_path "PATH", binary/"bin" end if build.head? resource("cabal").stage do system "sh", "bootstrap.sh", "--sandbox" (buildpath/"bootstrap-tools/bin").install ".cabal-sandbox/bin/cabal" end ENV.prepend_path "PATH", buildpath/"bootstrap-tools/bin" cabal_sandbox do cabal_install "--only-dependencies", "happy", "alex" cabal_install "--prefix=#{buildpath}/bootstrap-tools", "happy", "alex" end system "./boot" 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