igraph: added patch to fix issues with llvm-gcc

* Also added support for --universal

Closes #7570.

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

1 files changed, 16 insertions, 5 deletions

diff --git a/Library/Formula/igraph.rb b/Library/Formula/igraph.rb
index 6aadbbcb9..e156cb292 100644
--- a/Library/Formula/igraph.rb
+++ b/Library/Formula/igraph.rb
@@ -1,17 +1,28 @@
 require 'formula'
 
 class Igraph < Formula
-  url 'http://downloads.sourceforge.net/sourceforge/igraph/igraph-0.5.4.tar.gz'
   homepage 'http://igraph.sourceforge.net'
+  url 'http://downloads.sourceforge.net/sourceforge/igraph/igraph-0.5.4.tar.gz'
   md5 '47963ece64fe5f793e154e238bc6c3c3'
 
-  depends_on 'glpk'
-  depends_on 'gmp'
+  # GMP is optional, and doesn't have a universal build
+  depends_on 'gmp' => :optional unless ARGV.build_universal?
+
+  def options
+    [["--universal", "Build a universal binary."]]
+  end
 
-  fails_with_llvm "Segfault while compiling."
+  # Fix for llvm-gcc. This is already merged in upstream and
+  # will not be required for igraph >= 0.5.5
+  def patches
+    "https://raw.github.com/gist/1209951/e337ad8c2d8cb613872e5381a99f411d314576a1/igraph-0.5.4_llvm-gcc.patch"
+  end
 
   def install
-    system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"
+    ENV.universal_binary if ARGV.build_universal?
+
+    system "./configure", "--disable-debug", "--disable-dependency-tracking",
+                          "--prefix=#{prefix}"
     system "make install"
   end
 end