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553658393c
* Added a fairly comprehensive test suite
* Separated the graph traversal logic from the Graphviz generation
code by introducing a new class, cmLinkItemsGraphVisitor{.h,cxx}
* Made the graph traversal logic less ad-hoc by using existing
methods in the GlobalGenerator; this fixed a few bugs
* Added support for new target types: custom targets, object
and unknown libraries
* Improved support for ALIAS libraries by showing the alias(es)
in the graph
* Introduced new flags to control those new libraries (consistent
with existing flags)
* Updated the documentation
* Removed useless setting to set graph type in dot file
* Improved the node/edge shapes (nicer, more consistent)
* Added a legend to the graph
* Some refactoring and cleanup of the Graphviz generation code
* Added test and fix for issue 19746
150 lines
3.7 KiB
CMake
150 lines
3.7 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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CMakeGraphVizOptions
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--------------------
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The builtin Graphviz support of CMake.
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Generating Graphviz files
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^^^^^^^^^^^^^^^^^^^^^^^^^
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CMake can generate `Graphviz <https://www.graphviz.org/>`_ files showing the
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dependencies between the targets in a project, as well as external libraries
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which are linked against.
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When running CMake with the ``--graphviz=foo.dot`` option, it produces:
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* a ``foo.dot`` file, showing all dependencies in the project
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* a ``foo.dot.<target>`` file for each target, showing on which other targets
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it depends
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* a ``foo.dot.<target>.dependers`` file for each target, showing which other
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targets depend on it
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Those .dot files can be converted to images using the *dot* command from the
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Graphviz package:
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.. code-block:: shell
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dot -Tpng -o foo.png foo.dot
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The different dependency types ``PUBLIC``, ``INTERFACE`` and ``PRIVATE``
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are represented as solid, dashed and dotted edges.
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Variables specific to the Graphviz support
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The resulting graphs can be huge. The look and content of the generated graphs
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can be controlled using the file ``CMakeGraphVizOptions.cmake``. This file is
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first searched in :variable:`CMAKE_BINARY_DIR`, and then in
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:variable:`CMAKE_SOURCE_DIR`. If found, the variables set in it are used to
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adjust options for the generated Graphviz files.
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.. variable:: GRAPHVIZ_GRAPH_NAME
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The graph name.
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* Mandatory: NO
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* Default: value of :variable:`CMAKE_PROJECT_NAME`
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.. variable:: GRAPHVIZ_GRAPH_HEADER
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The header written at the top of the Graphviz files.
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* Mandatory: NO
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* Default: "node [ fontsize = "12" ];"
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.. variable:: GRAPHVIZ_NODE_PREFIX
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The prefix for each node in the Graphviz files.
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* Mandatory: NO
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* Default: "node"
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.. variable:: GRAPHVIZ_EXECUTABLES
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Set to FALSE to exclude executables from the generated graphs.
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* Mandatory: NO
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* Default: TRUE
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.. variable:: GRAPHVIZ_STATIC_LIBS
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Set to FALSE to exclude static libraries from the generated graphs.
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* Mandatory: NO
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* Default: TRUE
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.. variable:: GRAPHVIZ_SHARED_LIBS
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Set to FALSE to exclude shared libraries from the generated graphs.
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* Mandatory: NO
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* Default: TRUE
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.. variable:: GRAPHVIZ_MODULE_LIBS
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Set to FALSE to exclude module libraries from the generated graphs.
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* Mandatory: NO
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* Default: TRUE
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.. variable:: GRAPHVIZ_INTERFACE_LIBS
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Set to FALSE to exclude interface libraries from the generated graphs.
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* Mandatory: NO
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* Default: TRUE
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.. variable:: GRAPHVIZ_OBJECT_LIBS
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Set to FALSE to exclude object libraries from the generated graphs.
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* Mandatory: NO
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* Default: TRUE
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.. variable:: GRAPHVIZ_UNKNOWN_LIBS
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Set to FALSE to exclude unknown libraries from the generated graphs.
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* Mandatory: NO
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* Default: TRUE
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.. variable:: GRAPHVIZ_EXTERNAL_LIBS
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Set to FALSE to exclude external libraries from the generated graphs.
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* Mandatory: NO
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* Default: TRUE
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.. variable:: GRAPHVIZ_CUSTOM_TARGETS
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Set to TRUE to include custom targets in the generated graphs.
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* Mandatory: NO
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* Default: FALSE
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.. variable:: GRAPHVIZ_IGNORE_TARGETS
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A list of regular expressions for names of targets to exclude from the
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generated graphs.
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* Mandatory: NO
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* Default: empty
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.. variable:: GRAPHVIZ_GENERATE_PER_TARGET
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Set to FALSE to not generate per-target graphs ``foo.dot.<target>``.
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* Mandatory: NO
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* Default: TRUE
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.. variable:: GRAPHVIZ_GENERATE_DEPENDERS
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Set to FALSE to not generate depender graphs ``foo.dot.<target>.dependers``.
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* Mandatory: NO
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* Default: TRUE
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#]=======================================================================]
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