From 3fff0e5b3c771c3b8f6b78ca9ccb803b3b16ed6b Mon Sep 17 00:00:00 2001
From: Alexander Nitsch <nitsch@ht.tu-berlin.de>
Date: Sat, 7 Mar 2015 15:49:48 +0100
Subject: [PATCH] Fix MinGW detection on x86

Make detection of x64 using the gcc's target triplet identical
to the one used in cmake/OpenCVDetectCXXCompiler.cmake.
Otherwise, MinGW-w64 setups will always be treated as x64 since
they contain "w64" as vendor key.
---
 cmake/OpenCVConfig.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/OpenCVConfig.cmake b/cmake/OpenCVConfig.cmake
index b69b60f..cf45eb6 100644
--- a/cmake/OpenCVConfig.cmake
+++ b/cmake/OpenCVConfig.cmake
@@ -89,7 +89,7 @@ elseif(MINGW)
   execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpmachine
                   OUTPUT_VARIABLE CMAKE_OPENCV_GCC_TARGET_MACHINE
                   OUTPUT_STRIP_TRAILING_WHITESPACE)
-  if(CMAKE_OPENCV_GCC_TARGET_MACHINE MATCHES "64")
+  if(CMAKE_OPENCV_GCC_TARGET_MACHINE MATCHES "amd64|x86_64|AMD64")
     set(MINGW64 1)
     set(OpenCV_ARCH x64)
   else()
-- 
2.7.4