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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:
# CMakeGraphVizOptions
# --------------------
#
# The builtin graphviz support of CMake.
#
# Variables specific to the graphviz support
# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
#
# CMake
# can generate `graphviz <http://www.graphviz.org/>`_ files, showing the dependencies between the
# targets in a project and also external libraries which are linked
# against. When CMake is run with the ``--graphviz=foo.dot`` option, it will
# produce:
#
# * a ``foo.dot`` file showing all dependencies in the project
# * a ``foo.dot.<target>`` file for each target, file showing on which other targets the respective target depends
# * a ``foo.dot.<target>.dependers`` file, showing which other targets depend on the respective target
#
# This can result in huge graphs. Using the file
# ``CMakeGraphVizOptions.cmake`` the look and content of the generated
# graphs can be influenced. This file is searched first in
# :variable:`CMAKE_BINARY_DIR` and then in :variable:`CMAKE_SOURCE_DIR`. If found, it is
# read and the variables set in it are used to adjust options for the
# generated graphviz files.
#
# .. variable:: GRAPHVIZ_GRAPH_TYPE
#
# The graph type.
#
# * Mandatory : NO
# * Default : "digraph"
#
# Valid graph types are:
#
# * "graph" : Nodes are joined with lines
# * "digraph" : Nodes are joined with arrows showing direction
# * "strict graph" : Like "graph" but max one line between each node
# * "strict digraph" : Like "graph" but max one line between each node in each direction
#
# .. variable:: GRAPHVIZ_GRAPH_NAME
#
# The graph name.
#
# * Mandatory : NO
# * Default : "GG"
#
# .. variable:: GRAPHVIZ_GRAPH_HEADER
#
# The header written at the top of the graphviz file.
#
# * Mandatory : NO
# * Default : "node [n fontsize = "12"];"
#
# .. variable:: GRAPHVIZ_NODE_PREFIX
#
# The prefix for each node in the graphviz file.
#
# * Mandatory : NO
# * Default : "node"
#
# .. variable:: GRAPHVIZ_EXECUTABLES
#
# Set this to FALSE to exclude executables from the generated graphs.
#
# * Mandatory : NO
# * Default : TRUE
#
# .. variable:: GRAPHVIZ_STATIC_LIBS
#
# Set this to FALSE to exclude static libraries from the generated graphs.
#
# * Mandatory : NO
# * Default : TRUE
#
# .. variable:: GRAPHVIZ_SHARED_LIBS
#
# Set this to FALSE to exclude shared libraries from the generated graphs.
#
# * Mandatory : NO
# * Default : TRUE
#
# .. variable:: GRAPHVIZ_MODULE_LIBS
#
# Set this to FALSE to exclude module libraries from the generated graphs.
#
# * Mandatory : NO
# * Default : TRUE
#
# .. variable:: GRAPHVIZ_EXTERNAL_LIBS
#
# Set this to FALSE to exclude external libraries from the generated graphs.
#
# * Mandatory : NO
# * Default : TRUE
#
# .. variable:: GRAPHVIZ_IGNORE_TARGETS
#
# A list of regular expressions for ignoring targets.
#
# * Mandatory : NO
# * Default : empty
#
# .. variable:: GRAPHVIZ_GENERATE_PER_TARGET
#
# Set this to FALSE to exclude per target graphs ``foo.dot.<target>``.
#
# * Mandatory : NO
# * Default : TRUE
#
# .. variable:: GRAPHVIZ_GENERATE_DEPENDERS
#
# Set this to FALSE to exclude depender graphs ``foo.dot.<target>.dependers``.
#
# * Mandatory : NO
# * Default : TRUE
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