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 #29084.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

1 files changed, 39 insertions, 40 deletions

diff --git a/Library/Formula/ghc.rb b/Library/Formula/ghc.rb
index afd5e6ecf..468146968 100644
--- a/Library/Formula/ghc.rb
+++ b/Library/Formula/ghc.rb
@@ -15,32 +15,38 @@ class Ghc < Formula
   option "32-bit"
   option "tests", "Verify the build using the testsuite."
 
-  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"
+  # http://hackage.haskell.org/trac/ghc/ticket/6009
+  depends_on :macos => :snow_leopard
+  depends_on "gmp"
 
-    depends_on "gcc" if build.build_32_bit?
-    depends_on :macos => :mountain_lion
+  devel do
+    url "https://www.haskell.org/ghc/dist/7.8.2/ghc-7.8.2-src.tar.xz"
+    sha1 "fe86ae790b7e8e5b4c78db7a914ee375bc6d9fc3"
 
-    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"
+    resource "testsuite" do
+      url "https://www.haskell.org/ghc/dist/7.8.2/ghc-7.8.2-testsuite.tar.xz"
+      sha1 "3abe4e0ebbed17e825573f0f34be0eca9179f9e4"
     end
+  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
+  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 "testsuite" do
-      url "http://www.haskell.org/ghc/dist/7.8.1-rc2/ghc-7.8.0.20140228-testsuite.tar.bz2"
-      sha1 "0c52e15c699b1c624fbc218b98ddfb44bc43cec8"
-    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