From de9ea2a750af710b40d9184c22d14fdc8ff90dd8 Mon Sep 17 00:00:00 2001
From: Sam Edwards <CFSworks@gmail.com>
Date: Mon, 3 Feb 2014 21:57:27 -0700
Subject: [PATCH] CMake: For Interrogate 64/32-bit detection, check
 sizeof(long) rather than sizeof(void*).

---
 cmake/macros/Interrogate.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmake/macros/Interrogate.cmake b/cmake/macros/Interrogate.cmake
index 20e10282cc..3d9d7d3386 100644
--- a/cmake/macros/Interrogate.cmake
+++ b/cmake/macros/Interrogate.cmake
@@ -11,7 +11,9 @@
 set(IGATE_FLAGS -DCPPPARSER -D__cplusplus -Dvolatile -Dmutable -python-native)
 
 # In addition, Interrogate needs to know if this is a 64-bit build:
-if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+include(CheckTypeSize)
+check_type_size(long CMAKE_SIZEOF_LONG)
+if(CMAKE_SIZEOF_LONG EQUAL 8)
   list(APPEND IGATE_FLAGS "-D_LP64")
 endif()