Apple: Handle generation and comsuption of text-based stubs (.tbd files)

Fixes: #24123

Help/variable/CMAKE_ENABLE_EXPORTS.rst

@@ -8,3 +8,7 @@ Specify whether executables export symbols for loadable modules.
 This variable is used to initialize the :prop_tgt:`ENABLE_EXPORTS` target
 property for executable targets when they are created by calls to the
 :command:`add_executable` command.  See the property documentation for details.
+
+This command has been superseded by the
+:variable:`CMAKE_EXECUTABLE_ENABLE_EXPORTS` command.  It is provided for
+compatibility with older CMake code.

Help/variable/CMAKE_EXECUTABLE_ENABLE_EXPORTS.rst

@@ -0,0 +1,12 @@
+CMAKE_EXECUTABLE_ENABLE_EXPORTS
+-------------------------------
+
+.. versionadded:: 3.27
+
+Specify whether executables export symbols for loadable modules.
+
+This variable is used to initialize the :prop_tgt:`ENABLE_EXPORTS` target
+property for executable targets when they are created by calls to the
+:command:`add_executable` command.  See the property documentation for details.
+
+This variable supersede the :variable:`CMAKE_ENABLE_EXPORTS` variable.

Help/variable/CMAKE_SHARED_LIBRARY_ENABLE_EXPORTS.rst

@@ -0,0 +1,10 @@
+CMAKE_SHARED_LIBRARY_ENABLE_EXPORTS
+-----------------------------------
+
+.. versionadded:: 3.27
+
+Specify whether shared library generates an import file.
+
+This variable is used to initialize the :prop_tgt:`ENABLE_EXPORTS` target
+property for shared library targets when they are created by calls to the
+:command:`add_library` command.  See the property documentation for details.