From 4c6307c3d351dfb1d70a27d18ed8d57be7370033 Mon Sep 17 00:00:00 2001
From: Tom Meinlschmidt <tomas@meinlschmidt.com>
Date: Mon, 26 Jan 2015 20:19:18 +0100
Subject: [PATCH] should fix #47

---
 bindings/ruby/extconf.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bindings/ruby/extconf.rb b/bindings/ruby/extconf.rb
index 296a6cd9e..57740c147 100644
--- a/bindings/ruby/extconf.rb
+++ b/bindings/ruby/extconf.rb
@@ -31,6 +31,12 @@
   end
   $CPPFLAGS += ' -DDARWIN'
   $LDFLAGS += ' -framework CoreServices -framework IOKit'
+
+  # only for Yosemite
+  if ENV['_system_version'] =~ /\A10\.10/
+    cc = ENV['CC'] || %x(which clang).chop
+    CONFIG['CC']= cc
+  end
 when /bsd/
   os = 'darwin'
   have_library("kvm")