ghc8

gistfile1.txt

diff --git a/Formula/ghc.rb b/Formula/ghc.rb
index 98a2265..b6e0eec 100644
--- a/Formula/ghc.rb
+++ b/Formula/ghc.rb
@@ -1,8 +1,26 @@
 class Ghc < Formula
   desc "Glorious Glasgow Haskell Compilation System"
   homepage "https://haskell.org/ghc/"
-  url "https://downloads.haskell.org/~ghc/7.10.3/ghc-7.10.3b-src.tar.bz2"
-  sha256 "b0bb177b8095de6074e5a3538e55fd1fc187dae6eb6ae36b05582c55f7d2db6f"
+
+  stable do
+    url "https://downloads.haskell.org/~ghc/7.10.3/ghc-7.10.3b-src.tar.bz2"
+    sha256 "b0bb177b8095de6074e5a3538e55fd1fc187dae6eb6ae36b05582c55f7d2db6f"
+
+    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/7.10.3/ghc-7.10.3-x86_64-apple-darwin.tar.xz"
+        sha256 "852781d43d41cd55d02f818fe798bb4d1f7e52f488408167f413f7948cf1e7df"
+      end
+    end
+
+    resource "testsuite" do
+      url "https://downloads.haskell.org/~ghc/7.10.3/ghc-7.10.3-testsuite.tar.xz"
+      sha256 "50c151695c8099901334a8478713ee3bb895a90132e2b75d1493961eb8ec643a"
+    end
+  end
 
   bottle do
     sha256 "72c6c729ea385aaebfa22b55fe31b85f46e423a510c83d2f76c8f57336f9bf2c" => :el_capitan
@@ -10,7 +28,22 @@ class Ghc < Formula
     sha256 "3ca8542ed077871a9da2e7af1a2362eb6ddc52501e6625fa5b06e9fda288e980" => :mavericks
   end
 
-  option "with-test", "Verify the build using the testsuite"
+  devel do
+    url "http://downloads.haskell.org/~ghc/8.0.1-rc3/ghc-8.0.0.20160411-src.tar.xz"
+    sha256 "b747ab0908355e08b43d4447c626abb02ef15aae2abed53a58487b5a2938d225"
+
+    resource "binary" do
+      url "http://downloads.haskell.org/~ghc/8.0.1-rc3/ghc-8.0.0.20160411-x86_64-apple-darwin.tar.xz"
+      sha256 "523983fe188265ab31c8b9b7ddc74cc81226ef08abf1820b23737534a0ebea22"
+    end
+
+    resource "testsuite" do
+      url "http://downloads.haskell.org/~ghc/8.0.1-rc3/ghc-8.0.0.20160411-testsuite.tar.xz"
+      sha256 "632be99d72107e73e660603cdbec84a2930c4a8ea4ac6d7fa88d3171c7b6745c"
+    end
+  end
+
+  option "without-test", "Verify the build using the testsuite"
   deprecated_option "tests" => "with-test"
   deprecated_option "with-tests" => "with-test"
 
@@ -32,26 +65,32 @@ class Ghc < Formula
     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/7.10.3/ghc-7.10.3-x86_64-apple-darwin.tar.xz"
-      sha256 "852781d43d41cd55d02f818fe798bb4d1f7e52f488408167f413f7948cf1e7df"
-    end
-  end
+  def install
+    # 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 and LLVM restore 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
+    if MacOS.clang_build_version >= 703
+      nm_classic = buildpath/"brewtools/nm"
+
+      nm_classic.write <<-EOS.undent
+        #!/bin/bash
+        exec xcrun nm-classic "$@"
+      EOS
 
-  resource "testsuite" do
-    url "https://downloads.haskell.org/~ghc/7.10.3/ghc-7.10.3-testsuite.tar.xz"
-    sha256 "50c151695c8099901334a8478713ee3bb895a90132e2b75d1493961eb8ec643a"
-  end
+      chmod 0755, nm_classic
+      ENV.prepend_path "PATH", buildpath/"brewtools"
+    end
 
-  def install
     # Build a static gmp rather than in-tree gmp, otherwise it links to brew's.
     gmp = libexec/"integer-gmp"
 
-    # MPN_PATH: The lowest common denomenator asm paths that work on Darwin,
+    # 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?
 
@@ -85,6 +124,9 @@ class Ghc < Formula
     end
 
     system "./configure", "--prefix=#{prefix}", *args
+    inreplace "libffi/ghc.mk",
+              "$(MAKE) -C libffi/build MAKEFLAGS=",
+              "sync; $(MAKE) -C libffi/build MAKEFLAGS="
     system "make"
 
     if build.with? "test"