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Help: Document experimental feature gate affecting CXX_SCAN_FOR_MODULES

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Also drop the release note for `CXX_SCAN_FOR_MODULES`, as the rest of
the C++ modules support has not yet been mentioned in release notes
(since it is still experimental).
This commit is contained in:
Brad King
2023-02-01 13:23:56 -05:00
parent 71f9c1943d
commit bc1ba6d56b
4 changed files with 15 additions and 5 deletions
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5
Help/prop_sf/CXX_SCAN_FOR_MODULES.rst
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@@ -17,3 +17,8 @@ Note that scanning is only performed if C++20 or higher is enabled for the
target and the source uses the ``CXX`` language. Scanning for modules in
sources belonging to file sets of type ``CXX_MODULES`` and
``CXX_MODULES_HEADER_UNITS`` is always performed.
.. note ::
This setting is meaningful only when experimental support for C++ modules
has been enabled by the ``CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API`` gate.

5
Help/prop_tgt/CXX_SCAN_FOR_MODULES.rst
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@@ -20,3 +20,8 @@ scan the target's ``CXX`` sources at build time.
Note that scanning is only performed if C++20 or higher is enabled for the
target. Scanning for modules in the target's sources belonging to file sets
of type ``CXX_MODULES`` and ``CXX_MODULES_HEADER_UNITS`` is always performed.
.. note ::
This setting is meaningful only when experimental support for C++ modules
has been enabled by the ``CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API`` gate.

5
Help/release/dev/cxx-scanning-properties.rst
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@@ -1,5 +0,0 @@
cxx-scanning-properties
-----------------------
* The :prop_tgt:`CXX_SCAN_FOR_MODULES` target and source file properties may
be used to enable or disable scanning for C++ module dependencies.

5
Help/variable/CMAKE_CXX_SCAN_FOR_MODULES.rst
View File

@@ -8,3 +8,8 @@ Whether to scan C++ source files for module dependencies.
This variable is used to initialize the :prop_tgt:`CXX_SCAN_FOR_MODULES`
property on all the targets. See that target property for additional
information.
.. note ::
This setting is meaningful only when experimental support for C++ modules
has been enabled by the ``CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API`` gate.