find_package(Doxygen)
if(DOXYGEN_FOUND)
	configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
	add_custom_target(docs
	                  ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
	                  WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
	                   COMMENT "Generating API documentation with Doxygen" VERBATIM)
endif(DOXYGEN_FOUND)