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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# FindDoxygen
# -----------
#
# This module looks for Doxygen and the path to Graphviz's dot
#
# Doxygen is a documentation generation tool. Please see
# http://www.doxygen.org
#
# This module accepts the following optional variables:
#
# ::
#
# DOXYGEN_SKIP_DOT = If true this module will skip trying to find Dot
# (an optional component often used by Doxygen)
#
#
#
# This modules defines the following variables:
#
# ::
#
# DOXYGEN_EXECUTABLE = The path to the doxygen command.
# DOXYGEN_FOUND = Was Doxygen found or not?
# DOXYGEN_VERSION = The version reported by doxygen --version
#
#
#
# ::
#
# DOXYGEN_DOT_EXECUTABLE = The path to the dot program used by doxygen.
# DOXYGEN_DOT_FOUND = Was Dot found or not?
#
# For compatibility with older versions of CMake, the now-deprecated
# variable ``DOXYGEN_DOT_PATH`` is set to the path to the directory
# containing ``dot`` as reported in ``DOXYGEN_DOT_EXECUTABLE``.
# The path may have forward slashes even on Windows and is not
# suitable for direct substitution into a ``Doxyfile.in`` template.
# If you need this value, use :command:`get_filename_component`
# to compute it from ``DOXYGEN_DOT_EXECUTABLE`` directly, and
# perhaps the :command:`file(TO_NATIVE_PATH)` command to prepare
# the path for a Doxygen configuration file.
# For backwards compatibility support
if(Doxygen_FIND_QUIETLY)
set(DOXYGEN_FIND_QUIETLY TRUE)
endif()
# ===== Rationale for OS X AppBundle mods below =====
# With the OS X GUI version, Doxygen 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.
#
# NOTE: 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 placed in Contents/Resources. This is most likely done
# so that something happens when people double-click on the Doxygen.app
# package. Unfortunately, CMake gets confused by this as when it sees the
# bundle it uses "Doxywizard" as the executable to use instead of
# "doxygen". Therefore to work-around this issue we temporarily disable
# the app-bundle feature, just for this CMake module:
if(APPLE)
# 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")
endif()
# FYI:
# In the older versions of OS X Doxygen, dot was included with the
# Doxygen bundle. But the new versions require you to download
# Graphviz.app which contains "dot" in it's bundle.
# ============== End OSX stuff ================
#
# Find Doxygen...
#
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)
execute_process(COMMAND ${DOXYGEN_EXECUTABLE} "--version" OUTPUT_VARIABLE DOXYGEN_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Doxygen REQUIRED_VARS DOXYGEN_EXECUTABLE VERSION_VAR DOXYGEN_VERSION)
#
# Find Dot...
#
set(_x86 "(x86)")
file(GLOB _Doxygen_GRAPHVIZ_BIN_DIRS
"$ENV{ProgramFiles}/Graphviz*/bin"
"$ENV{ProgramFiles${_x86}}/Graphviz*/bin"
)
unset(_x86)
if(NOT DOXYGEN_SKIP_DOT)
find_program(DOXYGEN_DOT_EXECUTABLE
NAMES dot
PATHS
${_Doxygen_GRAPHVIZ_BIN_DIRS}
"$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(DOXYGEN_DOT_EXECUTABLE)
set(DOXYGEN_DOT_FOUND TRUE)
# The Doxyfile wants the path to Dot, not the entire path and executable
get_filename_component(DOXYGEN_DOT_PATH "${DOXYGEN_DOT_EXECUTABLE}" PATH)
endif()
endif()
#
# Backwards compatibility...
#
if(APPLE)
# Restore the old app-bundle setting setting
set(CMAKE_FIND_APPBUNDLE ${TEMP_DOXYGEN_SAVE_CMAKE_FIND_APPBUNDLE})
endif()
# Maintain the _FOUND variables as "YES" or "NO" for backwards compatibility
# (allows people to stuff them directly into Doxyfile with configure_file())
if(DOXYGEN_FOUND)
set(DOXYGEN_FOUND "YES")
else()
set(DOXYGEN_FOUND "NO")
endif()
if(DOXYGEN_DOT_FOUND)
set(DOXYGEN_DOT_FOUND "YES")
else()
set(DOXYGEN_DOT_FOUND "NO")
endif()
# For backwards compatibility support
set (DOXYGEN ${DOXYGEN_EXECUTABLE} )
set (DOT ${DOXYGEN_DOT_EXECUTABLE} )
mark_as_advanced(
DOXYGEN_EXECUTABLE
DOXYGEN_DOT_EXECUTABLE
)
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