Merge topic 'compile-feature-version-tags'

b75f778531 Help: Detailed version tags for compiler known features

Acked-by: Kitware Robot <[email protected]>
Merge-request: !6562

Help/prop_gbl/CMAKE_CUDA_KNOWN_FEATURES.rst

@@ -32,4 +32,6 @@ The features known to this version of CMake are:
   Compiler mode is at least CUDA/C++ 20.
 
 ``cuda_std_23``
+  .. versionadded:: 3.20
+
   Compiler mode is at least CUDA/C++ 23.

Help/prop_gbl/CMAKE_CXX_KNOWN_FEATURES.rst

@@ -18,6 +18,8 @@ The features known to this version of CMake are listed below.
 High level meta features indicating C++ standard support
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+.. versionadded:: 3.8
+
 The following meta features indicate general support for the associated
 language standard.  It reflects the language support claimed by the compiler,
 but it does not necessarily imply complete conformance to that standard.
@@ -35,9 +37,13 @@ but it does not necessarily imply complete conformance to that standard.
   Compiler mode is at least C++ 17.
 
 ``cxx_std_20``
+  .. versionadded:: 3.12
+
   Compiler mode is at least C++ 20.
 
 ``cxx_std_23``
+  .. versionadded:: 3.20
+
   Compiler mode is at least C++ 23.
 
 Low level individual compile features

Help/prop_gbl/CMAKE_C_KNOWN_FEATURES.rst

@@ -13,7 +13,12 @@ The features listed here may be used with the :command:`target_compile_features`
 command.  See the :manual:`cmake-compile-features(7)` manual for information on
 compile features and a list of supported compilers.
 
-The features known to this version of CMake are:
+The features known to this version of CMake are listed below.
+
+High level meta features indicating C standard support
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. versionadded:: 3.8
 
 ``c_std_90``
   Compiler mode is at least C 90.
@@ -25,11 +30,18 @@ The features known to this version of CMake are:
   Compiler mode is at least C 11.
 
 ``c_std_17``
+  .. versionadded:: 3.21
+
   Compiler mode is at least C 17.
 
 ``c_std_23``
+  .. versionadded:: 3.21
+
   Compiler mode is at least C 23.
 
+Low level individual compile features
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
 ``c_function_prototypes``
   Function prototypes, as defined in ``ISO/IEC 9899:1990``.