From 67a336e0be73d75989c8caa0c22ae5107c3f240e Mon Sep 17 00:00:00 2001
From: Andrey Kamaev <no@email>
Date: Fri, 13 Apr 2012 19:47:29 +0000
Subject: [PATCH] Fixed gcc version parsing.

---
 cmake/OpenCVDetectCXXCompiler.cmake | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cmake/OpenCVDetectCXXCompiler.cmake b/cmake/OpenCVDetectCXXCompiler.cmake
index c3e2e37..f429455 100644
--- a/cmake/OpenCVDetectCXXCompiler.cmake
+++ b/cmake/OpenCVDetectCXXCompiler.cmake
@@ -55,7 +55,10 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 
     # Typical output in CMAKE_OPENCV_GCC_VERSION_FULL: "c+//0 (whatever) 4.2.3 (...)"
     # Look for the version number
-    string(REGEX MATCH "[0-9]+.[0-9]+(.[0-9]+)?" CMAKE_GCC_REGEX_VERSION "${CMAKE_OPENCV_GCC_VERSION_FULL}")
+    string(REGEX MATCH "[0-9]+.[0-9]+.[0-9]+" CMAKE_GCC_REGEX_VERSION "${CMAKE_OPENCV_GCC_VERSION_FULL}")
+    if(NOT CMAKE_GCC_REGEX_VERSION)
+      string(REGEX MATCH "[0-9]+.[0-9]+" CMAKE_GCC_REGEX_VERSION "${CMAKE_OPENCV_GCC_VERSION_FULL}")
+    endif()
 
     # Split the three parts:
     string(REGEX MATCHALL "[0-9]+" CMAKE_OPENCV_GCC_VERSIONS "${CMAKE_GCC_REGEX_VERSION}")
-- 
2.7.4