Scanning dependencies of target opencv_core [ 24%] Generating precomp.hpp [ 24%] [ 24%] Generating test_precomp.hpp.gch/opencv_test_stitching_Release.gch Generating precomp.hpp.gch/opencv_videostab_Release.gch [ 24%] [ 25%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/algorithm.cpp.o Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/alloc.cpp.o error: unable to read PCH file: 'Is a directory' make[2]: *** [modules/core/CMakeFiles/opencv_core.dir/src/algorithm.cpp.o] Error 1 make[2]: *** Waiting for unfinished jobs.... error: unable to read PCH file: 'Is a directory' make[2]: *** [modules/core/CMakeFiles/opencv_core.dir/src/alloc.cpp.o] Error 1 make[1]: *** [modules/core/CMakeFiles/opencv_core.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... In file included from /Users/steve/Development/opencv2/opencv/build/modules/stitching/precomp.hpp:60: In file included from /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/stitcher.hpp:48: In file included from /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/warpers.hpp:46: /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:134:13: warning: 'cv::detail::PlaneWarper::warpPoint' hides overloaded virtual function [-Woverloaded-virtual] Point2f warpPoint(const Point2f &pt, const Mat &K, const Mat &R, const Mat &T); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:95:13: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::warpPoint' declared here Point2f warpPoint(const Point2f &pt, const Mat &K, const Mat &R); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:136:10: warning: 'cv::detail::PlaneWarper::buildMaps' hides overloaded virtual function [-Woverloaded-virtual] Rect buildMaps(Size src_size, const Mat &K, const Mat &R, const Mat &T, Mat &xmap, Mat &ymap); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:97:10: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::buildMaps' declared here Rect buildMaps(Size src_size, const Mat &K, const Mat &R, Mat &xmap, Mat &ymap); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:138:11: warning: 'cv::detail::PlaneWarper::warp' hides overloaded virtual function [-Woverloaded-virtual] Point warp(const Mat &src, const Mat &K, const Mat &R, const Mat &T, int interp_mode, ... ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:99:11: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::warp' declared here Point warp(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode, ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:141:10: warning: 'cv::detail::PlaneWarper::warpRoi' hides overloaded virtual function [-Woverloaded-virtual] Rect warpRoi(Size src_size, const Mat &K, const Mat &R, const Mat &T); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:105:10: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::warpRoi' declared here Rect warpRoi(Size src_size, const Mat &K, const Mat &R); ^ In file included from /Users/steve/Development/opencv2/opencv/build/modules/stitching/precomp.hpp:60: In file included from /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/stitcher.hpp:52: /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/seam_finders.hpp:88:18: warning: 'cv::detail::VoronoiSeamFinder::find' hides overloaded virtual function [-Woverloaded-virtual] virtual void find(const std::vector &size, const std::vector &corners, ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/seam_finders.hpp:71:18: note: hidden overloaded virtual function 'cv::detail::PairwiseSeamFinder::find' declared here virtual void find(const std::vector &src, const std::vector &corners, ^ [ 25%] Built target pch_Generate_opencv_gpu [ 25%] Built target pch_Generate_opencv_videostab 5 warnings generated. [ 25%] Built target pch_Generate_opencv_stitching In file included from /Users/steve/Development/opencv2/opencv/build/modules/stitching/perf_precomp.hpp:6: In file included from /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/stitcher.hpp:48: In file included from /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/warpers.hpp:46: /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:134:13: warning: 'cv::detail::PlaneWarper::warpPoint' hides overloaded virtual function [-Woverloaded-virtual] Point2f warpPoint(const Point2f &pt, const Mat &K, const Mat &R, const Mat &T); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:95:13: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::warpPoint' declared here Point2f warpPoint(const Point2f &pt, const Mat &K, const Mat &R); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:136:10: warning: 'cv::detail::PlaneWarper::buildMaps' hides overloaded virtual function [-Woverloaded-virtual] Rect buildMaps(Size src_size, const Mat &K, const Mat &R, const Mat &T, Mat &xmap, Mat &ymap); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:97:10: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::buildMaps' declared here Rect buildMaps(Size src_size, const Mat &K, const Mat &R, Mat &xmap, Mat &ymap); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:138:11: warning: 'cv::detail::PlaneWarper::warp' hides overloaded virtual function [-Woverloaded-virtual] Point warp(const Mat &src, const Mat &K, const Mat &R, const Mat &T, int interp_mode, ... ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:99:11: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::warp' declared here Point warp(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode, ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:141:10: warning: 'cv::detail::PlaneWarper::warpRoi' hides overloaded virtual function [-Woverloaded-virtual] Rect warpRoi(Size src_size, const Mat &K, const Mat &R, const Mat &T); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:105:10: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::warpRoi' declared here Rect warpRoi(Size src_size, const Mat &K, const Mat &R); ^ In file included from /Users/steve/Development/opencv2/opencv/build/modules/stitching/perf_precomp.hpp:6: In file included from /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/stitcher.hpp:52: /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/seam_finders.hpp:88:18: warning: 'cv::detail::VoronoiSeamFinder::find' hides overloaded virtual function [-Woverloaded-virtual] virtual void find(const std::vector &size, const std::vector &corners, ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/seam_finders.hpp:71:18: note: hidden overloaded virtual function 'cv::detail::PairwiseSeamFinder::find' declared here virtual void find(const std::vector &src, const std::vector &corners, ^ In file included from /Users/steve/Development/opencv2/opencv/build/modules/stitching/test_precomp.hpp:8: In file included from /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/stitcher.hpp:48: In file included from /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/warpers.hpp:46: /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:134:13: warning: 'cv::detail::PlaneWarper::warpPoint' hides overloaded virtual function [-Woverloaded-virtual] Point2f warpPoint(const Point2f &pt, const Mat &K, const Mat &R, const Mat &T); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:95:13: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::warpPoint' declared here Point2f warpPoint(const Point2f &pt, const Mat &K, const Mat &R); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:136:10: warning: 'cv::detail::PlaneWarper::buildMaps' hides overloaded virtual function [-Woverloaded-virtual] Rect buildMaps(Size src_size, const Mat &K, const Mat &R, const Mat &T, Mat &xmap, Mat &ymap); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:97:10: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::buildMaps' declared here Rect buildMaps(Size src_size, const Mat &K, const Mat &R, Mat &xmap, Mat &ymap); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:138:11: warning: 'cv::detail::PlaneWarper::warp' hides overloaded virtual function [-Woverloaded-virtual] Point warp(const Mat &src, const Mat &K, const Mat &R, const Mat &T, int interp_mode, ... ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:99:11: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::warp' declared here Point warp(const Mat &src, const Mat &K, const Mat &R, int interp_mode, int border_mode, ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:141:10: warning: 'cv::detail::PlaneWarper::warpRoi' hides overloaded virtual function [-Woverloaded-virtual] Rect warpRoi(Size src_size, const Mat &K, const Mat &R, const Mat &T); ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:105:10: note: hidden overloaded virtual function 'cv::detail::RotationWarperBase::warpRoi' declared here Rect warpRoi(Size src_size, const Mat &K, const Mat &R); ^ In file included from /Users/steve/Development/opencv2/opencv/build/modules/stitching/test_precomp.hpp:8: In file included from /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/stitcher.hpp:52: /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/seam_finders.hpp:88:18: warning: 'cv::detail::VoronoiSeamFinder::find' hides overloaded virtual function [-Woverloaded-virtual] virtual void find(const std::vector &size, const std::vector &corners, ^ /Users/steve/Development/opencv2/opencv/modules/stitching/include/opencv2/stitching/detail/seam_finders.hpp:71:18: note: hidden overloaded virtual function 'cv::detail::PairwiseSeamFinder::find' declared here virtual void find(const std::vector &src, const std::vector &corners, ^ [ 25%] Built target pch_Generate_opencv_perf_gpu 5 warnings generated. [ 26%] Built target pch_Generate_opencv_perf_stitching 5 warnings generated. [ 26%] Built target pch_Generate_opencv_test_stitching make: *** [all] Error 2