terom@374: #
terom@374: # This module looks for Doxygen executable 
terom@374: # and the Graphviz dot executable 
terom@374: # which could be used to generate html 
terom@374: # and graphical documentaton from source code. 
terom@374: # 
terom@374: # It will set the following variables:
terom@374: #
terom@374: #  DOXYGEN_FOUND
terom@374: #  DOXYGEN_EXECUTABLE
terom@374: #
terom@374: #  DOXYGEN_DOT_FOUND
terom@374: #  DOXYGEN_DOT_EXECUTABLE
terom@374: #  DOXYGEN_DOT_EXECUTABLE_PATH
terom@374: #
terom@374: # deprecated variables:
terom@374: #  DOXYGEN
terom@374: #  DOT
terom@374: #
terom@374: # see:
terom@374: #  www.doxygen.org
terom@374: #  www.research.att.com/sw/tools/graphviz/
terom@374: #
terom@374: # adapted from:
terom@374: #  www.mip.informatik.uni-kiel.de/~jw/cmake/CMakeModules/FindDoxygen.cmake
terom@374: 
terom@374: FIND_PROGRAM (DOXYGEN_EXECUTABLE
terom@374:     NAMES doxygen
terom@374:     DOC "Path to doxygen binary"
terom@396:     PATHS $ENV{DOXYGEN_HOME}
terom@374: )
terom@396: #MESSAGE(STATUS "DBG DOXYGEN_EXECUTABLE=${DOXYGEN_EXECUTABLE}")
terom@374: 
terom@374: FIND_PROGRAM (DOXYGEN_DOT_EXECUTABLE
terom@374:     NAMES dot
terom@374:     DOC "Path to dot binary from Graphiz (for doxygen)"
terom@396:     PATHS $ENV{DOT_HOME}
terom@374: )
terom@396: #MESSAGE(STATUS "DBG DOXYGEN_DOT_EXECUTABLE=${DOXYGEN_DOT_EXECUTABLE}")
terom@374: 
terom@374: IF (DOXYGEN_EXECUTABLE)
terom@374:     SET (DOXYGEN_FOUND TRUE)
terom@376: 
terom@376:     MESSAGE (STATUS "Found Doxygen at ${DOXYGEN_EXECUTABLE}")
terom@374: ENDIF (DOXYGEN_EXECUTABLE)
terom@374: 
terom@374: IF (DOXYGEN_DOT_EXECUTABLE)
terom@374:     SET (DOXYGEN_DOT_FOUND TRUE)  
terom@376:     
terom@376:     MESSAGE (STATUS "Found Dot at ${DOXYGEN_DOT_EXECUTABLE}")
terom@374: 
terom@374:     # the directory of dot is required in doxygen.config: DOT_PATH
terom@374:     GET_FILENAME_COMPONENT (DOXYGEN_DOT_EXECUTABLE_PATH ${DOXYGEN_DOT_EXECUTABLE} PATH)
terom@374: 
terom@374: ENDIF (DOXYGEN_DOT_EXECUTABLE)
terom@374: 
terom@374: # hide
terom@374: MARK_AS_ADVANCED (
terom@374:     DOXYGEN_EXECUTABLE
terom@374:     DOXYGEN_DOT_EXECUTABLE
terom@374:     DPXYGEN_DOT_EXECUTABLE_DIR
terom@374:     DOXYGEN
terom@374:     DOT
terom@374: )
terom@374: