FIND_PACKAGE(Doxygen)

IF(DOXYGEN_FOUND)
	CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in
	       ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)

	ADD_CUSTOM_TARGET(doc
		${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
		COMMENT "Generating API documentation with Doxygen" VERBATIM
	)
ENDIF(DOXYGEN_FOUND)