# TODO:
+# - contrib subpackage(s)
+# - contrib BRs:
+# opencv_contrib-3.1.0/modules/cnn_3dobj/CMakeLists.txt:find_package(Caffe)
+# opencv_contrib-3.1.0/modules/cnn_3dobj/CMakeLists.txt:find_package(Protobuf)
+# opencv_contrib-3.1.0/modules/cnn_3dobj/CMakeLists.txt:find_package(Glog)
+# opencv_contrib-3.1.0/modules/hdf/CMakeLists.txt:find_package(HDF5)
+# opencv_contrib-3.1.0/modules/sfm/CMakeLists.txt:find_package(Ceres QUIET)
+# opencv_contrib-3.1.0/modules/text/CMakeLists.txt:find_package(Tesseract)
+#
# - Smartek GigEVisionSDK (http://www.smartekvision.com/ but I can't see SDK with Linux library?)
# - CUDA, CUFFT, CUBLAS, NVCUVID support (on bcond)
# - ipp (libippi): http://software.intel.com/en-us/articles/intel-ipp/ (proprietary)