I cannot build java in 3.0.0

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Hi all,

I try to configure CMake to build OpenCV with java support. Everything is fine, but it will not build java. The configure output even says so:

Checking for Windows Platform SDK
Checking for Visual Studio 2012
Could NOT find PythonInterp (missing:  PYTHON_EXECUTABLE) (Required is at least version "2.7")
Could NOT find PythonInterp (missing:  PYTHON_EXECUTABLE) (Required is at least version "2.6")
Found apache ant 1.9.3: E:/bin/apache-ant-1.9.3/bin/ant.bat
Could NOT find Matlab (missing:  MATLAB_MEX_SCRIPT MATLAB_INCLUDE_DIRS MATLAB_ROOT_DIR MATLAB_LIBRARIES MATLAB_LIBRARY_DIRS MATLAB_MEXEXT MATLAB_ARCH MATLAB_BIN) 

General configuration for OpenCV 3.0.0-dev =====================================
  Version control:               2.4.7.2-2644-g80816f6

  Platform:
    Host:                        Windows 6.1 AMD64
    CMake:                       2.8.12.1
    CMake generator:             Visual Studio 12 Win64
    CMake build tool:            C:/PROGRA~2/MSBuild/12.0/Bin/MSBuild.exe
    MSVC:                        1800

  C/C++:
    Built as dynamic libs?:      NO
    C++ Compiler:                E:/visualStudio/VC/bin/x86_amd64/cl.exe  (ver 18.0.21005.1)
    C++ flags (Release):         /DWIN32 /D_WINDOWS /W4 /GR /EHa  /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi  /wd4251 /MT /O2 /Ob2 /D NDEBUG  /Zi
    C++ flags (Debug):           /DWIN32 /D_WINDOWS /W4 /GR /EHa  /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi  /wd4251 /D_DEBUG /MTd /Zi /Ob0 /Od /RTC1 
    C Compiler:                  E:/visualStudio/VC/bin/x86_amd64/cl.exe
    C flags (Release):           /DWIN32 /D_WINDOWS /W3  /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi  /MT /O2 /Ob2 /D NDEBUG  /Zi
    C flags (Debug):             /DWIN32 /D_WINDOWS /W3  /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi  /D_DEBUG /MTd /Zi /Ob0 /Od /RTC1 
    Linker flags (Release):      /machine:x64   /NODEFAULTLIB:atlthunk.lib /NODEFAULTLIB:msvcrt.lib /NODEFAULTLIB:msvcrtd.lib /INCREMENTAL:NO  /debug /NODEFAULTLIB:libcmtd.lib
    Linker flags (Debug):        /machine:x64   /NODEFAULTLIB:atlthunk.lib /NODEFAULTLIB:msvcrt.lib /NODEFAULTLIB:msvcrtd.lib /debug /INCREMENTAL  /NODEFAULTLIB:libcmt.lib
    Precompiled headers:         YES

  OpenCV modules:
    To be built:                 core flann imgproc highgui features2d calib3d ml objdetect video ocl bioinspired cudaarithm nonfree contrib cudawarping cuda cudafilters cudaimgproc legacy cudabgsegm cudacodec cudafeatures2d cudaoptflow cudastereo optim photo shape softcascade stitching superres ts videostab
    Disabled:                    world
    Disabled by dependency:      -
    Unavailable:                 androidcamera cudalegacy cudev java matlab python viz

  Windows RT support:            NO

  GUI: 
    QT:                          NO
    Win32 UI:                    YES
    OpenGL support:              NO
    VTK support:                 NO

  Media I/O: 
    ZLib:                        build (ver 1.2.8)
    JPEG:                        build (ver 90)
    WEBP:                        build (ver 0.3.1)
    PNG:                         build (ver 1.5.12)
    TIFF:                        build (ver 42 - 4.0.2)
    JPEG 2000:                   build (ver 1.900.1)
    OpenEXR:                     build (ver 1.7.1)

  Video I/O:
    Video for Windows:           YES
    DC1394 1.x:                  NO
    DC1394 2.x:                  NO
    FFMPEG:                      YES (prebuilt binaries)
      codec:                     YES (ver 55.18.102)
      format:                    YES (ver 55.12.100)
      util:                      YES (ver 52.38.100)
      swscale:                   YES (ver 2.3.100)
      gentoo-style:              YES
    OpenNI:                      NO
    OpenNI PrimeSensor Modules:  NO
    PvAPI:                       NO
    GigEVisionSDK:               NO
    DirectShow:                  YES
    Media Foundation:            NO
    XIMEA:                       NO
    Intel PerC:                  NO

  Other third-party libraries:
    Use IPP:                     NO
    Use Eigen:                   NO
    Use TBB:                     NO
    Use OpenMP:                  NO
    Use GCD                      NO
    Use Concurrency              YES
    Use C=:                      NO
    Use Cuda:                    NO ...