Use opencv in QT.

[A Former User]

Hi, i want to use opencv in QT, so i must compile it with mingw. when i want to compile it with CMake 2.8.10.2 it has following error:
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The CXX compiler identification is GNU 4.7.2
The C compiler identification is GNU 4.7.2
Check for working CXX compiler: C:/Qt/Qt5.0.1/Tools/MinGW/bin/g++.exe
Check for working CXX compiler: C:/Qt/Qt5.0.1/Tools/MinGW/bin/g++.exe -- broken
CMake Error at C:/Program Files (x86)/CMake 2.8/share/cmake-2.8/Modules/CMakeTestCXXCompiler.cmake:54 (message):
The C++ compiler "C:/Qt/Qt5.0.1/Tools/MinGW/bin/g++.exe" is not able to
compile a simple test program.

      It fails with the following output:
    
       Change Dir: C:/opencv_bin/CMakeFiles/CMakeTmp
    
      
    
      Run Build Command:C:/Qt/Qt5.0.1/Tools/MinGW/bin/mingw32-make.exe
      "cmTryCompileExec2270185098/fast"
    
      C:/Qt/Qt5.0.1/Tools/MinGW/bin/mingw32-make.exe -f
      CMakeFiles\cmTryCompileExec2270185098.dir\build.make
      CMakeFiles/cmTryCompileExec2270185098.dir/build
    
      mingw32-make.exe[1]: Entering directory
      'C:/opencv_bin/CMakeFiles/CMakeTmp'
    
      "C:\Program Files (x86)\CMake 2.8\bin\cmake.exe" -E cmake_progress_report
      C:\opencv_bin\CMakeFiles\CMakeTmp\CMakeFiles 1
    
      'C:\Users\' is not recognized as an internal or external command,
    
      operable program or batch file.
    
      CMakeFiles\cmTryCompileExec2270185098.dir\build.make:59: recipe for target
      'CMakeFiles/cmTryCompileExec2270185098.dir/testCXXCompiler.cxx.obj' failed
    
      mingw32-make.exe[1]: ***
      [CMakeFiles/cmTryCompileExec2270185098.dir/testCXXCompiler.cxx.obj] Error
      1
    
      mingw32-make.exe[1]: Leaving directory 'C:/opencv_bin/CMakeFiles/CMakeTmp'
    
      makefile:116: recipe for target 'cmTryCompileExec2270185098/fast' failed
    
      mingw32-make.exe: *** [cmTryCompileExec2270185098/fast] Error 2
    
      
    
      
    
      CMake will not be able to correctly generate this project.
    Call Stack (most recent call first):
      CMakeLists.txt:61 (project)
    
    
    Configuring incomplete, errors occurred!

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any idea?