Can't build opencv_contrib for opencv3.2.0

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I need opencv_contrib's tracking module for my app.

I tried building extra modules using the instructions here https://github.com/opencv/opencv_contrib I can configure opencv 320 successfully in cmake-gui. But pressing Configure after setting OPENCV_EXTRA_MODULES_PATH, I get the error Lost of it!

FP16: Compiler support is available Could NOT find ZLIB (missing: ZLIB_LIBRARY ZLIB_INCLUDE_DIR) (Required is at least version "1.2.3") found IPP (ICV version): 9.0.1 [9.0.1] at: C:/opencv320/build/3rdparty/ippicv/ippicv_win CUDA detected: 8.0 CUDA NVCC target flags: -gencode;arch=compute_20,code=sm_20;-gencode;arch=compute_30,code=sm_30;-gencode;arch=compute_35,code=sm_35;-gencode;arch=compute_37,code=sm_37;-gencode;arch=compute_50,code=sm_50;-gencode;arch=compute_52,code=sm_52;-gencode;arch=compute_60,code=sm_60;-gencode;arch=compute_61,code=sm_61;-D_FORCE_INLINES Could not find OpenBLAS include. Turning OpenBLAS_FOUND off Could not find OpenBLAS lib. Turning OpenBLAS_FOUND off Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE) Could NOT find JNI (missing: JAVA_AWT_LIBRARY JAVA_JVM_LIBRARY JAVA_INCLUDE_PATH JAVA_INCLUDE_PATH2 JAVA_AWT_INCLUDE_PATH) VTK is not found. Please set -DVTK_DIR in CMake to VTK build directory, or to VTK install subdirectory with VTKConfig.cmake file Caffe: NO Protobuf: NO Glog: NO CMake Deprecation Warning at C:/opencv_contrib/modules/dnn_modern/CMakeLists.txt:9 (cmake_policy): The OLD behavior for policy CMP0028 will be removed from a future version of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all policies are deprecated and that a policy should be set to OLD only under specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.

Downloading ... CMake Error at C:/opencv320/sources/cmake/OpenCVUtils.cmake:1043 (file): file DOWNLOAD cannot open file for write. Call Stack (most recent call first):
C:/opencv_contrib/modules/dnn_modern/CMakeLists.txt:20 (ocv_download)

CMake Error at C:/opencv320/sources/cmake/OpenCVUtils.cmake:1047 (message): Failed to download . Status= Call Stack (most recent call first):
C:/opencv_contrib/modules/dnn_modern/CMakeLists.txt:20 (ocv_download)

Configuring incomplete, errors occurred! See also "C:/opencv320/build/CMakeFiles/CMakeOutput.log". See also "C:/opencv320/build/CMakeFiles/CMakeError.log".

My Environment: Windows 10 x64 VS 2017 (Anaconda) Python 3

Could anybody help me on getting 'tracking' module work with opencv please?

I am pasting the content of "C:/opencv320/build/CMakeFiles/CMakeError.log".

Build output check failed: Regex: 'unknown .*option' Output line: 'cl : Command line warning D9002: ignoring unknown option '-fsigned-char' [C:\opencv320\build\CMakeFiles\CMakeTmp\cmTC_0735a.vcxproj] ' Compilation failed: source file: 'C:/opencv320/build/CMakeFiles/CMakeTmp/src.cxx' check option: ' -fsigned-char' ===== BUILD LOG ===== Change Dir: C:/opencv320/build/CMakeFiles/CMakeTmp

Run Build Command:"C:\Program Files (x86)\Microsoft Visual Studio\2017\Community/MSBuild/15.0/Bin/MSBuild.exe" "cmTC_0735a.vcxproj" "/p:Configuration=Debug" "/p:VisualStudioVersion=15.0" Microsoft (R) Build Engine version 15.1.1012.6693

Copyright (C) Microsoft Corporation. All rights reserved.

Build started 8/10/2017 7:39:57 PM.

Project "C:\opencv320\build\CMakeFiles\CMakeTmp\cmTC_0735a.vcxproj" on node 1 (default targets).

PrepareForBuild:

Creating directory "cmTC_0735a.dir\Debug\".

Creating directory "C ...