From 048552dddc611ffa1de699e26f9c1d9eb70f88ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ga=C3=ABtan=20Lehmann?= <gaetan.lehmann@gmail.com>
Date: Fri, 9 May 2014 14:52:29 +0200
Subject: [PATCH] ghc 7.8.2 with --devel

ghc 7.8 uses clang internally.
clang is used to build the ghc 7.8 on mavericks 64 bit, and gcc is used on
older OS and 32 bit builds.
Also advise to use cabal-install in the caveat.

Closes Homebrew/homebrew#29084.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
---
 Formula/ghc.rb | 81 +++++++++++++++++++++++++-------------------------
 1 file changed, 40 insertions(+), 41 deletions(-)

diff --git a/Formula/ghc.rb b/Formula/ghc.rb
index afd5e6ecf44..468146968f0 100644
--- a/Formula/ghc.rb
+++ b/Formula/ghc.rb
@@ -15,32 +15,38 @@ class Ghc < Formula
   option "32-bit"
   option "tests", "Verify the build using the testsuite."
 
+  # http://hackage.haskell.org/trac/ghc/ticket/6009
+  depends_on :macos => :snow_leopard
+  depends_on "gmp"
+
   devel do
-    # This block should largely translate over for 7.8.1 when GM.
-    url "http://www.haskell.org/ghc/dist/7.8.1-rc2/ghc-7.8.0.20140228-src.tar.bz2"
-    sha1 "8bd8eb3410a7fccc322c0e23e8045fcb5793ea5a"
-
-    depends_on "gcc" if build.build_32_bit?
-    depends_on :macos => :mountain_lion
-
-    resource "binary" do
-      url "https://www.haskell.org/ghc/dist/7.8.1-rc2/ghc-7.8.0.20140228-x86_64-apple-darwin-lion.tar.bz2"
-      sha1 "0b5d9a25afc516682dcae62e9955552ce857e715"
-    end
-
-    resource "binary-32" do
-      url "http://www.haskell.org/ghc/dist/7.6.3/ghc-7.6.3-i386-apple-darwin.tar.bz2"
-      sha1 "6a312263fef41e06003f0676b879f2d2d5a1f30c"
-    end
+    url "https://www.haskell.org/ghc/dist/7.8.2/ghc-7.8.2-src.tar.xz"
+    sha1 "fe86ae790b7e8e5b4c78db7a914ee375bc6d9fc3"
 
     resource "testsuite" do
-      url "http://www.haskell.org/ghc/dist/7.8.1-rc2/ghc-7.8.0.20140228-testsuite.tar.bz2"
-      sha1 "0c52e15c699b1c624fbc218b98ddfb44bc43cec8"
+      url "https://www.haskell.org/ghc/dist/7.8.2/ghc-7.8.2-testsuite.tar.xz"
+      sha1 "3abe4e0ebbed17e825573f0f34be0eca9179f9e4"
     end
   end
 
+  resource "binary_7.8" do
+    url "https://www.haskell.org/ghc/dist/7.8.2/ghc-7.8.2-x86_64-apple-darwin-mavericks.tar.xz"
+    sha1 "5219737fb38f882532712047f6af32fc73a91f0f"
+  end
+
+  resource "binary" do
+    url "http://www.haskell.org/ghc/dist/7.4.2/ghc-7.4.2-x86_64-apple-darwin.tar.bz2"
+    sha1 "7c655701672f4b223980c3a1068a59b9fbd08825"
+  end
+
+  resource "binary32" do
+    url "http://www.haskell.org/ghc/dist/7.4.2/ghc-7.4.2-i386-apple-darwin.tar.bz2"
+    sha1 "60f749893332d7c22bb4905004a67510992d8ef6"
+  end
+
   # These don't work inside of a `stable do` block
-  if build.stable?
+  if build.stable? || build.build_32_bit? || !MacOS.prefer_64_bit? || MacOS.version < :mavericks
+    depends_on "gcc" if MacOS.version >= :mountain_lion
     env :std
 
     fails_with :clang do
@@ -52,21 +58,6 @@ class Ghc < Formula
   end
 
   stable do
-    # http://hackage.haskell.org/trac/ghc/ticket/6009
-    depends_on :macos => :snow_leopard
-    depends_on "gcc" if MacOS.version >= :mountain_lion
-    depends_on "gmp"
-
-    resource "binary" do
-      url "http://www.haskell.org/ghc/dist/7.4.2/ghc-7.4.2-x86_64-apple-darwin.tar.bz2"
-      sha1 "7c655701672f4b223980c3a1068a59b9fbd08825"
-    end
-
-    resource "binary32" do
-      url "http://www.haskell.org/ghc/dist/7.4.2/ghc-7.4.2-i386-apple-darwin.tar.bz2"
-      sha1 "60f749893332d7c22bb4905004a67510992d8ef6"
-    end
-
     resource "testsuite" do
       url "https://github.com/ghc/testsuite/archive/ghc-7.6.3-release.tar.gz"
       sha1 "6a1973ae3cccdb2f720606032ae84ffee8680ca1"
@@ -80,10 +71,12 @@ class Ghc < Formula
     # Move the main tarball contents into a subdirectory
     (buildpath+"Ghcsource").install Dir["*"]
 
-    if (Hardware.is_64_bit? and not build.build_32_bit?)
-      binary_resource = "binary"
-    else
+    if build.build_32_bit? || !MacOS.prefer_64_bit?
       binary_resource = "binary32"
+    elsif MacOS.version >= :mavericks && build.devel?
+      binary_resource = "binary_7.8"
+    else
+      binary_resource = "binary"
     end
 
     resource(binary_resource).stage do
@@ -112,11 +105,11 @@ class Ghc < Formula
       # https://github.com/Homebrew/homebrew/issues/13650
       ENV["LD"] = "ld"
 
-      if Hardware.is_64_bit? and not build.build_32_bit?
-        arch = "x86_64"
-      else
+      if build.build_32_bit? || !MacOS.prefer_64_bit?
         ENV.m32 # Need to force this to fix build error on internal libgmp_ar.
         arch = "i386"
+      else
+        arch = "x86_64"
       end
 
       # ensure configure does not use Xcode 5 "gcc" which is actually clang
@@ -144,11 +137,17 @@ class Ghc < Formula
       system "make"
       # -j1 fixes an intermittent race condition
       system "make", "-j1", "install"
+      if build.devel?
+        # use clang, even when gcc was used to build ghc
+        settings = Dir[lib/"ghc-*/settings"][0]
+        inreplace settings, "\"#{ENV.cc}\"", "\"clang\""
+      end
     end
   end
 
   def caveats; <<-EOS.undent
-    This brew is for GHC only; you might also be interested in haskell-platform.
+    This brew is for GHC only; you might also be interested in cabal-install
+    or haskell-platform.
     EOS
   end