From d5c754264e99ad17358019c2f96f4c64df32c8b3 Mon Sep 17 00:00:00 2001
From: Stephan Sundermann <stephansundermann@gmail.com>
Date: Thu, 5 Mar 2015 12:57:07 +0100
Subject: [PATCH] Determine bitness on osx

This reads the bitness from mono which is in path.
---
 src/CppParser/Bindings/premake4.lua | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/CppParser/Bindings/premake4.lua b/src/CppParser/Bindings/premake4.lua
index cc3e4b16..971a490a 100644
--- a/src/CppParser/Bindings/premake4.lua
+++ b/src/CppParser/Bindings/premake4.lua
@@ -29,7 +29,14 @@ project "CppSharp.Parser.CSharp"
   if os.is_windows() then
       files { "CSharp/i686-pc-win32-msvc/**.cs" }
   elseif os.is_osx() then
-      files { "CSharp/i686-apple-darwin12.4.0/**.cs" }
+      local file = io.popen("lipo -info `which mono`")
+      local output = file:read('*all')
+      if string.find(output, "x86_64") then  
+        files { "CSharp/x86_64-apple-darwin12.4.0/**.cs" }
+      else
+        files { "CSharp/i686-apple-darwin12.4.0/**.cs" }
+      end
+
   elseif os.is_linux() then
       files { "CSharp/x86_64-linux-gnu/**.cs" }
   else