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Merge topic 'doc-swift-module-dir-caveat'

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61e76200d7 Help: Discourage use of Swift_MODULE_DIRECTORY with multi-config generators

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !9547
This commit is contained in:
Brad King
2024-05-29 12:31:56 +00:00
committed by Kitware Robot
parent 26befdb554 61e76200d7
commit bcfcb964ce
1 changed files with 12 additions and 0 deletions
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Help/prop_tgt/Swift_MODULE_DIRECTORY.rst
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@@ -10,3 +10,15 @@ the modules will be placed. When this property is not set, the modules will be
placed in the build directory corresponding to the target's source directory.
If the variable :variable:`CMAKE_Swift_MODULE_DIRECTORY` is set when a target is
created its value is used to initialize this property.
.. warning::
This property does not currently provide a way to express per-config
module directories, so use with multi-config generators is problematic:
* The :generator:`Xcode` generator does not implement the property at all.
* The :generator:`Ninja Multi-Config` generator implements this property,
but module files generated for different build configurations have the
same path, which can lead to subtle problems when building more than
one configuration.