From 9e3673ef538916d2f6be0e4def4ca4b3a0fa886a Mon Sep 17 00:00:00 2001
From: Roman Donchenko <roman.donchenko@itseez.com>
Date: Fri, 10 Jan 2014 18:40:47 +0400
Subject: [PATCH] Don't use PYTHON_VERSION_STRING when searching for Python
 libraries

It may be an arbitrary string, and, for example, in Ubuntu 13.10
it's set to "2.7.5+", which breaks the find script.
---
 cmake/OpenCVDetectPython.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/OpenCVDetectPython.cmake b/cmake/OpenCVDetectPython.cmake
index 7f258dc25..4f7b679cb 100644
--- a/cmake/OpenCVDetectPython.cmake
+++ b/cmake/OpenCVDetectPython.cmake
@@ -24,7 +24,8 @@ if(PYTHONINTERP_FOUND)
 
   if(NOT ANDROID AND NOT IOS)
     ocv_check_environment_variables(PYTHON_LIBRARY PYTHON_INCLUDE_DIR)
-    find_host_package(PythonLibs "${PYTHON_VERSION_STRING}" EXACT)
+    # not using PYTHON_VERSION_STRING here, because it might not conform to the CMake version format
+    find_host_package(PythonLibs "${PYTHON_VERSION_MAJOR_MINOR}.${PYTHON_VERSION_PATCH}" EXACT)
   endif()
 
   if(NOT ANDROID AND NOT IOS)