anchor.diff:      LASzip
       libLAS
       pdal
  +    pcl
       qtbase
       qtsvg
       qttools
  
positive.code:   ];
  
    cmakeFlags = [
      # TODO: This will become -DCCCORELIB_USE_TBB=ON in a future version, see
      #       https://github.com/CloudCompare/CloudCompare/commit/f5a0c9fd788da26450f3fa488b2cf0e4a08d255f
      "-DCOMPILE_CC_CORE_LIB_WITH_TBB=ON"
      "-DOPTION_USE_DXF_LIB=ON"
      "-DOPTION_USE_GDAL=ON"
      "-DOPTION_USE_SHAPE_LIB=ON"
  
      "-DPLUGIN_GL_QEDL=ON"
      "-DPLUGIN_GL_QSSAO=ON"
      "-DPLUGIN_IO_QADDITIONAL=ON"
      "-DPLUGIN_IO_QCORE=ON"
      "-DPLUGIN_IO_QCSV_MATRIX=ON"
  
negative.code:     "-DPLUGIN_IO_QPDAL=ON" # required for .las/.laz support
      "-DPLUGIN_IO_QPHOTOSCAN=ON"
      "-DPLUGIN_IO_QRDB=OFF" # Riegl rdblib is proprietary; not packaged in nixpkgs
  
      "-DPLUGIN_STANDARD_QPCL=ON" # Adds PCD import and export support
    ];
  
    meta = with lib; {
  