BUG: check only dependent thirdparty is activated when building example

Examples/BasicFilters/CMakeLists.txt

Examples/BasicFilters/test/CMakeLists.txt

Examples/Classification/CMakeLists.txt

Examples/FeatureExtraction/CMakeLists.txt

Examples/FeatureExtraction/test/CMakeLists.txt

Examples/IO/CMakeLists.txt

Examples/IO/test/CMakeLists.txt

Examples/Learning/CMakeLists.txt

Examples/Learning/test/CMakeLists.txt

Examples/OBIA/CMakeLists.txt

Examples/OBIA/test/CMakeLists.txt

Examples/Radiometry/CMakeLists.txt

Examples/Segmentation/CMakeLists.txt

Examples/Segmentation/test/CMakeLists.txt

Examples/Simulation/CMakeLists.txt

Examples/Simulation/test/CMakeLists.txt