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#

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# This module looks for Doxygen executable 

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# and the Graphviz dot executable 

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# which could be used to generate html 

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# and graphical documentaton from source code. 

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# 

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# It will set the following variables:

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#

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#  DOXYGEN_FOUND

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#  DOXYGEN_EXECUTABLE

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#

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#  DOXYGEN_DOT_FOUND

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#  DOXYGEN_DOT_EXECUTABLE

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#  DOXYGEN_DOT_EXECUTABLE_PATH

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#

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# deprecated variables:

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#  DOXYGEN

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#  DOT

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#

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# see:

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#  www.doxygen.org

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#  www.research.att.com/sw/tools/graphviz/

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#

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# adapted from:

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#  www.mip.informatik.uni-kiel.de/~jw/cmake/CMakeModules/FindDoxygen.cmake

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FIND_PROGRAM (DOXYGEN_EXECUTABLE

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    NAMES doxygen

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    DOC "Path to doxygen binary"

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    PATHS $ENV{DOXYGEN_HOME}

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)

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#MESSAGE(STATUS "DBG DOXYGEN_EXECUTABLE=${DOXYGEN_EXECUTABLE}")

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FIND_PROGRAM (DOXYGEN_DOT_EXECUTABLE

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    NAMES dot

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    DOC "Path to dot binary from Graphiz (for doxygen)"

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    PATHS $ENV{DOT_HOME}

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)

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#MESSAGE(STATUS "DBG DOXYGEN_DOT_EXECUTABLE=${DOXYGEN_DOT_EXECUTABLE}")

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IF (DOXYGEN_EXECUTABLE)

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    SET (DOXYGEN_FOUND TRUE)

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    MESSAGE (STATUS "Found Doxygen at ${DOXYGEN_EXECUTABLE}")

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ENDIF (DOXYGEN_EXECUTABLE)

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IF (DOXYGEN_DOT_EXECUTABLE)

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    SET (DOXYGEN_DOT_FOUND TRUE)  

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    MESSAGE (STATUS "Found Dot at ${DOXYGEN_DOT_EXECUTABLE}")

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    # the directory of dot is required in doxygen.config: DOT_PATH

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    GET_FILENAME_COMPONENT (DOXYGEN_DOT_EXECUTABLE_PATH ${DOXYGEN_DOT_EXECUTABLE} PATH)

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ENDIF (DOXYGEN_DOT_EXECUTABLE)

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# hide

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MARK_AS_ADVANCED (

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    DOXYGEN_EXECUTABLE

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    DOXYGEN_DOT_EXECUTABLE

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    DPXYGEN_DOT_EXECUTABLE_DIR

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    DOXYGEN

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    DOT

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)

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