Help: Cross-reference generator platform variables

Help/variable/CMAKE_GENERATOR_PLATFORM.rst

@@ -20,3 +20,9 @@ Platform specification is supported only on specific generators:
   specifies the target architecture.
 
 See native build system documentation for allowed platform names.
+
+Visual Studio Platform Selection
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+On :ref:`Visual Studio Generators` the selected platform name
+is provided in the :variable:`CMAKE_VS_PLATFORM_NAME` variable.

Help/variable/CMAKE_VS_PLATFORM_NAME.rst

@@ -5,3 +5,4 @@ Visual Studio target platform name.
 
 VS 8 and above allow project files to specify a target platform.
 CMake provides the name of the chosen platform in this variable.
+See the :variable:`CMAKE_GENERATOR_PLATFORM` variable for details.