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46 lines
1.8 KiB
ReStructuredText
define_property
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---------------
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Define and document custom properties.
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::
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define_property(<GLOBAL | DIRECTORY | TARGET | SOURCE |
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TEST | VARIABLE | CACHED_VARIABLE>
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PROPERTY <name> [INHERITED]
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BRIEF_DOCS <brief-doc> [docs...]
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FULL_DOCS <full-doc> [docs...])
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Define one property in a scope for use with the :command:`set_property` and
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:command:`get_property` commands. This is primarily useful to associate
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documentation with property names that may be retrieved with the
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:command:`get_property` command. The first argument determines the kind of
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scope in which the property should be used. It must be one of the
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following:
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::
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GLOBAL = associated with the global namespace
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DIRECTORY = associated with one directory
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TARGET = associated with one target
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SOURCE = associated with one source file
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TEST = associated with a test named with add_test
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VARIABLE = documents a CMake language variable
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CACHED_VARIABLE = documents a CMake cache variable
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Note that unlike :command:`set_property` and :command:`get_property` no
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actual scope needs to be given; only the kind of scope is important.
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The required ``PROPERTY`` option is immediately followed by the name of
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the property being defined.
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If the ``INHERITED`` option then the :command:`get_property` command will
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chain up to the next higher scope when the requested property is not set
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in the scope given to the command. ``DIRECTORY`` scope chains to
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``GLOBAL``. ``TARGET``, ``SOURCE``, and ``TEST`` chain to ``DIRECTORY``.
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The ``BRIEF_DOCS`` and ``FULL_DOCS`` options are followed by strings to be
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associated with the property as its brief and full documentation.
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Corresponding options to the :command:`get_property` command will retrieve
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the documentation.
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