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86578eccf2
Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
162 lines
5.2 KiB
CMake
162 lines
5.2 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# FindDoxygen
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# -----------
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#
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# This module looks for Doxygen and the path to Graphviz's dot
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#
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# Doxygen is a documentation generation tool. Please see
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# http://www.doxygen.org
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#
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# This module accepts the following optional variables:
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#
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# ::
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#
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# DOXYGEN_SKIP_DOT = If true this module will skip trying to find Dot
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# (an optional component often used by Doxygen)
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#
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#
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#
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# This modules defines the following variables:
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#
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# ::
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#
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# DOXYGEN_EXECUTABLE = The path to the doxygen command.
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# DOXYGEN_FOUND = Was Doxygen found or not?
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# DOXYGEN_VERSION = The version reported by doxygen --version
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#
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#
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#
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# ::
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#
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# DOXYGEN_DOT_EXECUTABLE = The path to the dot program used by doxygen.
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# DOXYGEN_DOT_FOUND = Was Dot found or not?
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#
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# For compatibility with older versions of CMake, the now-deprecated
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# variable ``DOXYGEN_DOT_PATH`` is set to the path to the directory
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# containing ``dot`` as reported in ``DOXYGEN_DOT_EXECUTABLE``.
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# The path may have forward slashes even on Windows and is not
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# suitable for direct substitution into a ``Doxyfile.in`` template.
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# If you need this value, use :command:`get_filename_component`
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# to compute it from ``DOXYGEN_DOT_EXECUTABLE`` directly, and
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# perhaps the :command:`file(TO_NATIVE_PATH)` command to prepare
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# the path for a Doxygen configuration file.
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# For backwards compatibility support
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if(Doxygen_FIND_QUIETLY)
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set(DOXYGEN_FIND_QUIETLY TRUE)
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endif()
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# ===== Rationale for OS X AppBundle mods below =====
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# With the OS X GUI version, Doxygen likes to be installed to /Applications and
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# it contains the doxygen executable in the bundle. In the versions I've
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# seen, it is located in Resources, but in general, more often binaries are
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# located in MacOS.
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#
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# NOTE: The official Doxygen.app that is distributed for OS X uses non-standard
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# conventions. Instead of the command-line "doxygen" tool being placed in
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# Doxygen.app/Contents/MacOS, "Doxywizard" is placed there instead and
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# "doxygen" is placed in Contents/Resources. This is most likely done
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# so that something happens when people double-click on the Doxygen.app
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# package. Unfortunately, CMake gets confused by this as when it sees the
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# bundle it uses "Doxywizard" as the executable to use instead of
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# "doxygen". Therefore to work-around this issue we temporarily disable
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# the app-bundle feature, just for this CMake module:
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if(APPLE)
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# Save the old setting
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set(TEMP_DOXYGEN_SAVE_CMAKE_FIND_APPBUNDLE ${CMAKE_FIND_APPBUNDLE})
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# Disable the App-bundle detection feature
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set(CMAKE_FIND_APPBUNDLE "NEVER")
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endif()
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# FYI:
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# In the older versions of OS X Doxygen, dot was included with the
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# Doxygen bundle. But the new versions require you to download
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# Graphviz.app which contains "dot" in it's bundle.
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# ============== End OSX stuff ================
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#
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# Find Doxygen...
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#
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find_program(DOXYGEN_EXECUTABLE
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NAMES doxygen
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PATHS
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\doxygen_is1;Inno Setup: App Path]/bin"
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/Applications/Doxygen.app/Contents/Resources
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/Applications/Doxygen.app/Contents/MacOS
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DOC "Doxygen documentation generation tool (http://www.doxygen.org)"
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)
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if(DOXYGEN_EXECUTABLE)
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execute_process(COMMAND ${DOXYGEN_EXECUTABLE} "--version" OUTPUT_VARIABLE DOXYGEN_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Doxygen REQUIRED_VARS DOXYGEN_EXECUTABLE VERSION_VAR DOXYGEN_VERSION)
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#
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# Find Dot...
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#
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set(_x86 "(x86)")
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file(GLOB _Doxygen_GRAPHVIZ_BIN_DIRS
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"$ENV{ProgramFiles}/Graphviz*/bin"
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"$ENV{ProgramFiles${_x86}}/Graphviz*/bin"
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)
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unset(_x86)
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if(NOT DOXYGEN_SKIP_DOT)
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find_program(DOXYGEN_DOT_EXECUTABLE
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NAMES dot
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PATHS
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${_Doxygen_GRAPHVIZ_BIN_DIRS}
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"$ENV{ProgramFiles}/ATT/Graphviz/bin"
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"C:/Program Files/ATT/Graphviz/bin"
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\ATT\\Graphviz;InstallPath]/bin
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/Applications/Graphviz.app/Contents/MacOS
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/Applications/Doxygen.app/Contents/Resources
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/Applications/Doxygen.app/Contents/MacOS
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DOC "Graphviz Dot tool for using Doxygen"
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)
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if(DOXYGEN_DOT_EXECUTABLE)
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set(DOXYGEN_DOT_FOUND TRUE)
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# The Doxyfile wants the path to Dot, not the entire path and executable
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get_filename_component(DOXYGEN_DOT_PATH "${DOXYGEN_DOT_EXECUTABLE}" PATH)
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endif()
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endif()
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#
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# Backwards compatibility...
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#
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if(APPLE)
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# Restore the old app-bundle setting setting
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set(CMAKE_FIND_APPBUNDLE ${TEMP_DOXYGEN_SAVE_CMAKE_FIND_APPBUNDLE})
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endif()
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# Maintain the _FOUND variables as "YES" or "NO" for backwards compatibility
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# (allows people to stuff them directly into Doxyfile with configure_file())
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if(DOXYGEN_FOUND)
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set(DOXYGEN_FOUND "YES")
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else()
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set(DOXYGEN_FOUND "NO")
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endif()
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if(DOXYGEN_DOT_FOUND)
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set(DOXYGEN_DOT_FOUND "YES")
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else()
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set(DOXYGEN_DOT_FOUND "NO")
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endif()
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# For backwards compatibility support
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set (DOXYGEN ${DOXYGEN_EXECUTABLE} )
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set (DOT ${DOXYGEN_DOT_EXECUTABLE} )
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mark_as_advanced(
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DOXYGEN_EXECUTABLE
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DOXYGEN_DOT_EXECUTABLE
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)
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