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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/8.6.3/ghc-8.6.3-src.tar.xz"
sha256 "9f9e37b7971935d88ba80426c36af14b1e0b3ec1d9c860f44a4391771bc07f23"
bottle do
sha256 "9415b057d996a9d4d27f61edf2e31b3f11fb511661313d9f266fa029254c9088" => :mojave
sha256 "b16adbcf90f33bf12162855bd2f2308d5f4656cbb2f533a8cb6a0ed48519be83" => :high_sierra
sha256 "c469d291be7683a759ac950c11226d080994b9e4d44f9f784ab81d0f0483b498" => :sierra
end
head do
url "https://git.haskell.org/ghc.git", :branch => "ghc-8.6"
depends_on "autoconf" => :build
depends_on "automake" => :build
depends_on "libtool" => :build
resource "cabal" do
url "https://hackage.haskell.org/package/cabal-install-2.4.0.0/cabal-install-2.4.0.0.tar.gz"
sha256 "1329e9564b736b0cfba76d396204d95569f080e7c54fe355b6d9618e3aa0bef6"
end
end
depends_on "python" => :build
depends_on "sphinx-doc" => :build
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
# 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/8.4.4/ghc-8.4.4-x86_64-apple-darwin.tar.xz"
sha256 "28dc89ebd231335337c656f4c5ead2ae2a1acc166aafe74a14f084393c5ef03a"
end
def install
ENV["CC"] = ENV.cc
ENV["LD"] = "ld"
# Build a static gmp rather than in-tree gmp, otherwise all ghc-compiled
# executables link to Homebrew's GMP.
gmp = libexec/"integer-gmp"
# 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",
"--build=#{Hardware.oldest_cpu}-apple-darwin#{`uname -r`.to_i}"
system "make"
system "make", "check"
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"
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