General configuration for OpenCV 4.0.0-alpha =====================================
  Version control:               unknown

  Platform:
    Timestamp:                   2018-09-25T08:37:52Z
    Host:                        Windows 10.0.17134 AMD64
    CMake:                       3.12.0
    CMake generator:             MinGW Makefiles
    CMake build tool:            E:/MinGW-w64/x64-4.8.1-release-posix-seh-rev5/mingw64/bin/mingw32-make.exe
    Configuration:               Release

  CPU/HW features:
    Baseline:                    SSE SSE2 SSE3
      requested:                 SSE3
    Dispatched code generation:  SSE4_1 SSE4_2 FP16 AVX AVX2
      requested:                 SSE4_1 SSE4_2 AVX FP16 AVX2 AVX512_SKX
      SSE4_1 (4 files):          + SSSE3 SSE4_1
      SSE4_2 (2 files):          + SSSE3 SSE4_1 POPCNT SSE4_2
      FP16 (1 files):            + SSSE3 SSE4_1 POPCNT SSE4_2 FP16 AVX
      AVX (6 files):             + SSSE3 SSE4_1 POPCNT SSE4_2 AVX
      AVX2 (10 files):           + SSSE3 SSE4_1 POPCNT SSE4_2 FP16 FMA3 AVX AVX2

  C/C++:
    Built as dynamic libs?:      YES
    C++ Compiler:                E:/MinGW-w64/x64-4.8.1-release-posix-seh-rev5/mingw64/bin/g++.exe  (ver 4.8.1)
    C++ flags (Release):         -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -Wno-long-long -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG  -DNDEBUG
    C++ flags (Debug):           -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -Wno-long-long -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -g  -O0 -DDEBUG -D_DEBUG
    C Compiler:                  E:/MinGW-w64/x64-4.8.1-release-posix-seh-rev5/mingw64/bin/gcc.exe
    C flags (Release):           -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -Wno-long-long -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -msse3 -fvisibility=hidden -O3 -DNDEBUG  -DNDEBUG
    C flags (Debug):             -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -Wno-long-long -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse -msse2 -msse3 -fvisibility=hidden -g  -O0 -DDEBUG -D_DEBUG
    Linker flags (Release):      -Wl,--gc-sections  
    Linker flags (Debug):        -Wl,--gc-sections  
    ccache:                      NO
    Precompiled headers:         NO
    Extra dependencies:
    3rdparty dependencies:

  OpenCV modules:
    To be built:                 calib3d core dnn features2d flann highgui imgcodecs imgproc java_bindings_generator ml objdetect photo python_bindings_generator shape stitching superres ts video videoio videostab
    Disabled:                    js world
    Disabled by dependency:      -
    Unavailable:                 java python2 python3 viz
    Applications:                tests perf_tests apps
    Documentation:               NO
    Non-free algorithms:         NO

  Windows RT support:            NO

  GUI: 
    Win32 UI:                    YES
    VTK support:                 NO

  Media I/O: 
    ZLib:                        build (ver 1.2.11)
    JPEG:                        build-libjpeg-turbo (ver 1.5.3-62)
    WEBP:                        build (ver encoder: 0x020e)
    PNG:                         build (ver 1.6.34)
    TIFF:                        build (ver 42 - 4.0.9)
    JPEG 2000:                   build (ver 1.900.1)
    OpenEXR:                     build (ver 1.7.1)
    HDR:                         YES
    SUNRASTER:                   YES
    PXM:                         YES
    PFM:                         YES

  Video I/O:
    Video for Windows:           YES
    DC1394:                      NO
    FFMPEG:                      YES (prebuilt binaries)
      avcodec:                   YES (ver 58.18.100)
      avformat:                  YES (ver 58.12.100)
      avutil:                    YES (ver 56.14.100)
      swscale:                   YES (ver 5.1.100)
      avresample:                YES (ver 4.0.0)
    GStreamer:                   NO
    DirectShow:                  YES
    Media Foundation:            YES

  Parallel framework:            none

  Trace:                         YES (built-in)

  Other third-party libraries:
    Lapack:                      NO
    Eigen:                       NO
    Custom HAL:                  NO
    Protobuf:                    build (3.5.1)

  OpenCL:                        YES (no extra features)
    Include path:                E:/opencv-4.0.0-alpha/opencv-4.0.0-alpha/3rdparty/include/opencl/1.2
    Link libraries:              Dynamic load

  Python (for build):            E:/Python37-32/python.exe

  Java:                          
    ant:                         NO
    JNI:                         C:/Program Files (x86)/Java/jdk1.8.0_181/include C:/Program Files (x86)/Java/jdk1.8.0_181/include/win32 C:/Program Files (x86)/Java/jdk1.8.0_181/include
    Java wrappers:               NO
    Java tests:                  NO

  Install to:                    E:/opencv-4.0.0-alpha/opencv-4.0.0-mingw64-build/install
-----------------------------------------------------------------

......
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp: In member function 'HRESULT {anonymous}::ComPtr<T>::As({anonymous}::ComPtr<U>&) const [with U = IMF2DBuffer; T = IMFMediaBuffer; HRESULT = long int]':
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp:172:5: error: control reaches end of non-void function [-Werror=return-type]
     }
     ^
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp: In member function 'T* {anonymous}::ComPtr<T>::operator->() const [with T = IMF2DBuffer]':
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp:149:5: error: control reaches end of non-void function [-Werror=return-type]
     }
     ^
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp: In member function 'T* {anonymous}::ComPtr<T>::operator->() const [with T = IMFMediaBuffer]':
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp:149:5: error: control reaches end of non-void function [-Werror=return-type]
     }
     ^
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp: In member function 'T* {anonymous}::ComPtr<T>::operator->() const [with T = IMFSinkWriter]':
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp:149:5: error: control reaches end of non-void function [-Werror=return-type]
     }
     ^
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp: In member function 'T* {anonymous}::ComPtr<T>::Get() const [with T = IMFMediaBuffer]':
E:\opencv-4.0.0-alpha\opencv-4.0.0-alpha\modules\videoio\src\cap_msmf.cpp:158:5: error: control reaches end of non-void function [-Werror=return-type]
     }
     ^
cc1plus.exe: some warnings being treated as errors
modules\videoio\CMakeFiles\opencv_videoio.dir\build.make:188: recipe for target 'modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_msmf.cpp.obj' failed
mingw32-make[2]: *** [modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_msmf.cpp.obj] Error 1
CMakeFiles\Makefile2:2556: recipe for target 'modules/videoio/CMakeFiles/opencv_videoio.dir/all' failed
mingw32-make[1]: *** [modules/videoio/CMakeFiles/opencv_videoio.dir/all] Error 2
mingw32-make[1]: *** Waiting for unfinished jobs....
[ 58%] Linking CXX shared library ..\..\bin\libopencv_dnn400.dll
[ 59%] Built target opencv_dnn
Makefile:161: recipe for target 'all' failed
mingw32-make: *** [all] Error 2