add_custom_target(tests
         COMMENT "Running doxygen tests..."
         COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/testing/runtests.py --all --doxygen ${PROJECT_BINARY_DIR}/bin/doxygen --inputdir ${CMAKE_SOURCE_DIR}/testing --outputdir ${PROJECT_BINARY_DIR}/testing
         DEPENDS doxygen
)
add_test(NAME suite
         COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/testing/runtests.py --all --doxygen $<TARGET_FILE:doxygen> --inputdir ${CMAKE_SOURCE_DIR}/testing --outputdir ${PROJECT_BINARY_DIR}/testing
)