Merge topic 'doc-CMAKE_FRAMEWORK-crossref'

f57a53d43e Help: Document that CMAKE_FRAMEWORK initializes FRAMEWORK target prop

Acked-by: Kitware Robot <[email protected]>
Merge-request: !3478

Help/prop_tgt/FRAMEWORK.rst

@@ -6,7 +6,9 @@ Build ``SHARED`` or ``STATIC`` library as Framework Bundle on the macOS and iOS.
 If such a library target has this property set to ``TRUE`` it will be
 built as a framework when built on the macOS and iOS.  It will have the
 directory structure required for a framework and will be suitable to
-be used with the ``-framework`` option
+be used with the ``-framework`` option.  This property is initialized by the
+value of the :variable:`CMAKE_FRAMEWORK` variable if it is set when a target is
+created.
 
 To customize ``Info.plist`` file in the framework, use
 :prop_tgt:`MACOSX_FRAMEWORK_INFO_PLIST` target property.