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# - This module looks for Doxygen and the path to Graphviz's dot
# Doxygen is a documentation generation tool see http://www.doxygen.org
# With the OS X GUI version, it likes to be installed to /Applications and
# it contains the doxygen executable in the bundle. In the versions I've
# seen, it is located in Resources, but in general, more often binaries are
# located in MacOS. This code sets the following variables:
# DOXYGEN_EXECUTABLE = The path to the doxygen command.
# DOXYGEN_DOT_EXECUTABLE = The path to the dot program used by doxygen.
# DOXYGEN_DOT_PATH = The path to dot not including the executable
# DOXYGEN = same as DOXYGEN_EXECUTABLE for backwards compatibility
# DOT = same as DOXYGEN_DOT_EXECUTABLE for backwards compatibility
# The official Doxygen.app that is distributed for OS X uses non-standard
# conventions. Instead of the command-line "doxygen" tool being placed in
# Doxygen.app/Contents/MacOS, "Doxywizard" is placed there instead and
# "doxygen" is actually placed in Contents/Resources. This is most likely
# to accomodate people who double-click on the Doxygen.app package and expect
# to see something happen. However, the CMake backend gets horribly confused
# by this. Once CMake sees the bundle, it indiscrimately uses Doxywizard
# as the executable to use. The only work-around I have found is to disable
# the app-bundle feature for only this command.
# Save the old setting
SET(TEMP_DOXYGEN_SAVE_CMAKE_FIND_APPBUNDLE ${CMAKE_FIND_APPBUNDLE})
# Disable the App-bundle detection feature
SET(CMAKE_FIND_APPBUNDLE "NEVER")
IF (NOT DOXYGEN_FIND_QUIETLY)
MESSAGE(STATUS "Looking for doxygen...")
ENDIF (NOT DOXYGEN_FIND_QUIETLY)
FIND_PROGRAM(DOXYGEN_EXECUTABLE
NAMES doxygen
PATHS "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\doxygen_is1;Inno Setup: App Path]/bin"
/Applications/Doxygen.app/Contents/Resources
/Applications/Doxygen.app/Contents/MacOS
DOC "Doxygen documentation generation tool (http://www.doxygen.org)"
)
IF (DOXYGEN_EXECUTABLE)
SET (DOXYGEN_FOUND "YES")
IF (NOT DOXYGEN_FIND_QUIETLY)
MESSAGE(STATUS "Looking for doxygen... - found ${DOXYGEN_EXECUTABLE}")
ENDIF (NOT DOXYGEN_FIND_QUIETLY)
ELSE (DOXYGEN_EXECUTABLE)
IF (NOT DOXYGEN_FIND_QUIETLY)
IF (DOXYGEN_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Looking for doxygen... - NOT found")
ELSE (DOXYGEN_FIND_REQUIRED)
MESSAGE(STATUS "Looking for doxygen... - NOT found")
ENDIF (DOXYGEN_FIND_REQUIRED)
ENDIF (NOT DOXYGEN_FIND_QUIETLY)
ENDIF (DOXYGEN_EXECUTABLE)
# In the older versions of OS X Doxygen, dot was included with the
# Doxygen bundle. But the new versions place make you download Graphviz.app
# which contains dot in its bundle.
IF (NOT DOXYGEN_FIND_QUIETLY)
MESSAGE(STATUS "Looking for dot tool...")
ENDIF (NOT DOXYGEN_FIND_QUIETLY)
FIND_PROGRAM(DOXYGEN_DOT_EXECUTABLE
NAMES dot
PATHS "$ENV{ProgramFiles}/ATT/Graphviz/bin"
"C:/Program Files/ATT/Graphviz/bin"
[HKEY_LOCAL_MACHINE\\SOFTWARE\\ATT\\Graphviz;InstallPath]/bin
/Applications/Graphviz.app/Contents/MacOS
/Applications/Doxygen.app/Contents/Resources
/Applications/Doxygen.app/Contents/MacOS
DOC "Graphviz Dot tool for using Doxygen"
)
IF (NOT DOXYGEN_FIND_QUIETLY)
IF (DOXYGEN_DOT_EXECUTABLE)
MESSAGE(STATUS "Looking for dot tool... - found ${DOXYGEN_DOT_EXECUTABLE}")
# The Doxyfile wants the path to Dot, not the entire path and executable
GET_FILENAME_COMPONENT(DOXYGEN_DOT_PATH "${DOXYGEN_DOT_EXECUTABLE}" PATH CACHE)
ELSE (DOXYGEN_DOT_EXECUTABLE)
MESSAGE(STATUS "Looking for dot tool... - NOT found")
ENDIF (DOXYGEN_DOT_EXECUTABLE)
ENDIF (NOT DOXYGEN_FIND_QUIETLY)
# Restore the old app-bundle setting setting
SET(CMAKE_FIND_APPBUNDLE ${TEMP_DOXYGEN_SAVE_CMAKE_FIND_APPBUNDLE})
# Backwards compatibility for CMake4.3 and less
SET (DOXYGEN ${DOXYGEN_EXECUTABLE} )
SET (DOT ${DOXYGEN_DOT_EXECUTABLE} )
MARK_AS_ADVANCED(
DOXYGEN_FOUND
DOXYGEN_EXECUTABLE
DOXYGEN_DOT_FOUND
DOXYGEN_DOT_EXECUTABLE
DOXYGEN_DOT_PATH
)
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