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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 target and the source uses the ``CXX`` language. Scanning for modules in
sources belonging to file sets of type ``CXX_MODULES`` and sources belonging to file sets of type ``CXX_MODULES`` and
``CXX_MODULES_HEADER_UNITS`` is always performed. ``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 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 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. 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
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@@ -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` This variable is used to initialize the :prop_tgt:`CXX_SCAN_FOR_MODULES`
property on all the targets. See that target property for additional property on all the targets. See that target property for additional
information. 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.