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Help: State valid scopes for using proj_SOURCE_DIR and proj_BINARY_DIR

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Issue: #25714
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Craig Scott
2024-08-17 16:11:22 +10:00
committed by Brad King
parent 6323fdc9cf
commit 4c152752da
1 changed files with 9 additions and 2 deletions
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11
Help/command/project.rst
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@@ -33,10 +33,17 @@ Also sets the variables:
Boolean value indicating whether the project is top-level.
Further variables are set by the optional arguments described in the following.
If any of these arguments is not used, then the corresponding variables are
Further variables are set by the optional arguments described in `Options`_
further below. Where an option is not given, its corresponding variable is
set to the empty string.
Note that variables of the form ``<name>_SOURCE_DIR`` and ``<name>_BINARY_DIR``
may also be set by other commands before ``project()`` is called (see the
:command:`FetchContent_MakeAvailable` command for one example).
Projects should not rely on ``<PROJECT-NAME>_SOURCE_DIR`` or
``<PROJECT-NAME>_BINARY_DIR`` holding a particular value outside of the scope
of the call to ``project()`` or one of its child scopes.
Options
^^^^^^^