OpenCV

cmake

MinGW-W64
MinGW-W64要下载
否则后面编译出错：

  D:/openCV_win/opencv/sources/modules/core/include/opencv2/core/utility.hpp:719:29: error: 'Mutex' is not a member of 'cv'
   typedef std::lock_guard<cv::Mutex> AutoLock;
                               ^~~~~
  D:/openCV_win/opencv/sources/modules/core/include/opencv2/core/utility.hpp:719:29: note: suggested alternative: 'Matx'
   typedef std::lock_guard<cv::Mutex> AutoLock;
                               ^~~~~
                               Matx
  D:/openCV_win/opencv/sources/modules/core/include/opencv2/core/utility.hpp:719:29: error: 'Mutex' is not a member of 'cv'
  D:/openCV_win/opencv/sources/modules/core/include/opencv2/core/utility.hpp:719:29: note: suggested alternative: 'Matx'
   typedef std::lock_guard<cv::Mutex> AutoLock;
                               ^~~~~
                               Matx
  D:/openCV_win/opencv/sources/modules/core/include/opencv2/core/utility.hpp:719:34: error: template argument 1 is invalid
   typedef std::lock_guard<cv::Mutex> AutoLock;
                                    ^
  [ 14%] Building CXX object CMakeFiles/ade.dir/3rdparty/ade/ade-0.1.1f/sources/ade/source/graph.cpp.obj
  minGW32-make[2]: *** [modules\core\CMakeFiles\opencv_core.dir\build.make:118: modules/core/CMakeFiles/opencv_core.dir/src/alloc.cpp.obj] Error 1
  [ 14%] Building C object 3rdparty/libpng/CMakeFiles/libpng.dir/pngget.c.obj
  [ 14%] Building C object 3rdparty/libtiff/CMakeFiles/libtiff.dir/tif_codec.c.obj
  In file included from D:\openCV_win\opencv\sources\modules\core\src\arithm.cpp:50:
  D:\openCV_win\opencv\sources\modules\core\src\precomp.hpp:369:5: error: 'Mutex' in namespace 'cv' does not name a type
   cv::Mutex& getInitializationMutex();
       ^~~~~
  D:\openCV_win\opencv\sources\modules\core\src\precomp.hpp:369:1: note: suggested alternative: 'Matx'
   cv::Mutex& getInitializationMutex();
   ^~
   Matx