From f5992cddd7a4da9d89de7262d5a466d8ced81fc0 Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Tue, 19 Nov 2013 12:05:10 -0600
Subject: gnu-prolog: fix build with clang

---
 Library/Formula/gnu-prolog.rb | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'Library')

diff --git a/Library/Formula/gnu-prolog.rb b/Library/Formula/gnu-prolog.rb
index 36f4e9664..aa4fa5464 100644
--- a/Library/Formula/gnu-prolog.rb
+++ b/Library/Formula/gnu-prolog.rb
@@ -5,16 +5,18 @@ class GnuProlog < Formula
   url 'http://gprolog.univ-paris1.fr/gprolog-1.4.4.tar.gz'
   sha1 '658b0efa5d916510dcddbbd980d90bc4d43a6e58'
 
-  fails_with :clang do
-    cause "Fatal Error: Segmentation Violation"
+  # Upstream patch:
+  # http://sourceforge.net/p/gprolog/code/ci/784b3443a0a2f087c1d1e7976739fa517efe6af6
+  def patches
+    "https://gist.github.com/jacknagel/7549696/raw/3078eef282ca141c95a0bf74396f4248bbe34775/gprolog-clang.patch"
   end
 
   def install
-    ENV.j1 # won't make in parallel
     cd 'src' do
       system "./configure", "--prefix=#{prefix}", "--with-doc-dir=#{doc}"
       system "make"
-      system "make install-strip"
+      ENV.deparallelize
+      system "make", "install"
     end
   end
 end
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