From 339684f8fc81ed500da7addeecb6a2aafd0f7453 Mon Sep 17 00:00:00 2001
From: Misty De Meo
Date: Wed, 26 Mar 2014 14:42:25 -0700
Subject: gringo: fix build on pre-10.9 clang

Closes #27893.
---
 Library/Formula/gringo.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Formula/gringo.rb b/Library/Formula/gringo.rb
index 5abecc45a..b1e9cb582 100644
--- a/Library/Formula/gringo.rb
+++ b/Library/Formula/gringo.rb
@@ -13,9 +13,18 @@ class Gringo < Formula
   depends_on 're2c'  => :build
   depends_on 'scons' => :build
   depends_on 'bison' => :build
-  depends_on :macos => :mavericks
+  depends_on :macos => :lion
+
+  # Needs C++11
+  fails_with :gcc
+  fails_with :gcc_4_0
 
   def install
+    # Allow pre-10.9 clangs to build in C++11 mode
+    ENV.libcxx
+    inreplace "SConstruct",
+              "env['CXX']            = 'g++'",
+              "env['CXX']            = '#{ENV['CXX']}'"
     scons "--build-dir=release", "gringo", "clingo"
     bin.install "build/release/gringo", "build/release/clingo"
   end
-- 
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