Merge topic 'Apple-handle-Text-Stubs'

ede33f30cf Apple: Handle generation and comsuption of text-based stubs (.tbd files)
fcbd723a50 Enhance support functions

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Brad King <brad.king@kitware.com>
Merge-request: !8204

14 files changed, 360 insertions, 10 deletions

diff --git a/Help/command/install.rst b/Help/command/install.rst
index 126888a..d5092ae 100644
--- a/Help/command/install.rst
+++ b/Help/command/install.rst
@@ -158,6 +158,9 @@ that may be installed:
     ``.lib``, in contrast to the ``.dll`` libraries that go to ``RUNTIME``);
   * On AIX, the *linker import file* created for executables with
     :prop_tgt:`ENABLE_EXPORTS` enabled.
+  * On macOS, the *linker import file* created for shared libraries with
+    :prop_tgt:`ENABLE_EXPORTS` enabled (except when marked as ``FRAMEWORK``,
+    see below).
 
 ``LIBRARY``
   Target artifacts of this kind include:
@@ -308,6 +311,11 @@ the following additional arguments:
   value of ``COMPONENT``. It is an error to use this parameter outside of a
   ``LIBRARY`` block.
 
+  .. versionchanged:: 3.27
+    This parameter is also usable for an ``ARCHIVE`` block to manage
+    the linker import file created, on macOS, for shared libraries with
+    :prop_tgt:`ENABLE_EXPORTS` enabled.
+
   Consider the following example:
 
   .. code-block:: cmake
@@ -342,6 +350,11 @@ the following additional arguments:
   option installs nothing. It is an error to use this parameter outside of a
   ``LIBRARY`` block.
 
+  .. versionchanged:: 3.27
+    This parameter is also usable for an ``ARCHIVE`` block to manage
+    the linker import file created, on macOS, for shared libraries with
+    :prop_tgt:`ENABLE_EXPORTS` enabled.
+
   When ``NAMELINK_ONLY`` is given, either ``NAMELINK_COMPONENT`` or
   ``COMPONENT`` may be used to specify the installation component of the
   namelink, but ``COMPONENT`` should generally be preferred.
@@ -355,6 +368,11 @@ the following additional arguments:
   installs the library. It is an error to use this parameter outside of a
   ``LIBRARY`` block.
 
+  .. versionchanged:: 3.27
+    This parameter is also usable for an ``ARCHIVE`` block to manage
+    the linker import file created, on macOS, for shared libraries with
+    :prop_tgt:`ENABLE_EXPORTS` enabled.
+
   If ``NAMELINK_SKIP`` is specified, ``NAMELINK_COMPONENT`` has no effect. It
   is not recommended to use ``NAMELINK_SKIP`` in conjunction with
   ``NAMELINK_COMPONENT``.
diff --git a/Help/manual/cmake-buildsystem.7.rst b/Help/manual/cmake-buildsystem.7.rst
index b9d621b..9fdb26c 100644
--- a/Help/manual/cmake-buildsystem.7.rst
+++ b/Help/manual/cmake-buildsystem.7.rst
@@ -797,6 +797,10 @@ An *archive* output artifact of a buildsystem target may be:
   created by the :command:`add_executable` command when its
   :prop_tgt:`ENABLE_EXPORTS` target property is set.
 
+* On macOS: the linker import file (e.g. ``.tbd``) of a shared library target
+  created by the :command:`add_library` command with the ``SHARED`` option and
+  when its :prop_tgt:`ENABLE_EXPORTS` target property is set.
+
 The :prop_tgt:`ARCHIVE_OUTPUT_DIRECTORY` and :prop_tgt:`ARCHIVE_OUTPUT_NAME`
 target properties may be used to control archive output artifact locations
 and names in the build tree.
diff --git a/Help/manual/cmake-generator-expressions.7.rst b/Help/manual/cmake-generator-expressions.7.rst
index ae52ba1..66ae6ae 100644
--- a/Help/manual/cmake-generator-expressions.7.rst
+++ b/Help/manual/cmake-generator-expressions.7.rst
@@ -1503,6 +1503,76 @@ In the following, the phrase "the ``tgt`` filename" means the name of the
   Note that ``tgt`` is not added as a dependency of the target this
   expression is evaluated on (see policy :policy:`CMP0112`).
 
+.. genex:: $<TARGET_IMPORT_FILE:tgt>
+
+  .. versionadded:: 3.27
+
+  Full path to the linker import file. On DLL platforms, it would be the
+  ``.lib`` file. On AIX, for the executables, and on macOS, for the shared
+  libraries, it could be, respectively, the ``.imp`` or ``.tbd`` import file,
+  depending of the value of :prop_tgt:`ENABLE_EXPORTS` property.
+
+  An empty string is returned when there is no import file associated with the
+  target.
+
+.. genex:: $<TARGET_IMPORT_FILE_BASE_NAME:tgt>
+
+  .. versionadded:: 3.27
+
+  Base name of file linker import file of the target ``tgt`` without prefix and
+  suffix. For example, if target file name is ``libbase.tbd``, the base name is
+  ``base``.
+
+  See also the :prop_tgt:`OUTPUT_NAME` and :prop_tgt:`ARCHIVE_OUTPUT_NAME`
+  target properties and their configuration specific variants
+  :prop_tgt:`OUTPUT_NAME_<CONFIG>` and :prop_tgt:`ARCHIVE_OUTPUT_NAME_<CONFIG>`.
+
+  The :prop_tgt:`<CONFIG>_POSTFIX` and :prop_tgt:`DEBUG_POSTFIX` target
+  properties can also be considered.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_IMPORT_FILE_PREFIX:tgt>
+
+  .. versionadded:: 3.27
+
+  Prefix of the import file of the target ``tgt``.
+
+  See also the :prop_tgt:`IMPORT_PREFIX` target property.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_IMPORT_FILE_SUFFIX:tgt>
+
+  .. versionadded:: 3.27
+
+  Suffix of the import file of the target ``tgt``.
+
+  The suffix corresponds to the file extension (such as ".lib" or ".tbd").
+
+  See also the :prop_tgt:`IMPORT_SUFFIX` target property.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_IMPORT_FILE_NAME:tgt>
+
+  .. versionadded:: 3.27
+
+  Name of the import file of the target target ``tgt``.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_IMPORT_FILE_DIR:tgt>
+
+  Directory of the import file of the target ``tgt``.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
 .. genex:: $<TARGET_LINKER_FILE:tgt>
 
   File used when linking to the ``tgt`` target.  This will usually
@@ -1510,13 +1580,22 @@ In the following, the phrase "the ``tgt`` filename" means the name of the
   but for a shared library on DLL platforms, it would be the ``.lib``
   import library associated with the DLL.
 
+  .. versionadded:: 3.27
+    On macOS, it could be the ``.tbd`` import file associated with the shared
+    library, depending of the value of :prop_tgt:`ENABLE_EXPORTS` property.
+
+  This generator expression is equivalent to
+  :genex:`$<TARGET_LINKER_LIBRARY_FILE>` or
+  :genex:`$<TARGET_LINKER_IMPORT_FILE>` generator expressions, depending of the
+  characteristics of the target and the platform.
+
 .. genex:: $<TARGET_LINKER_FILE_BASE_NAME:tgt>
 
   .. versionadded:: 3.15
 
   Base name of file used to link the target ``tgt``, i.e.
-  ``$<TARGET_LINKER_FILE_NAME:tgt>`` without prefix and suffix. For example,
-  if target file name is ``libbase.a``, the base name is ``base``.
+  :genex:`$<TARGET_LINKER_FILE_NAME:tgt>` without prefix and suffix. For
+  example, if target file name is ``libbase.a``, the base name is ``base``.
 
   See also the :prop_tgt:`OUTPUT_NAME`, :prop_tgt:`ARCHIVE_OUTPUT_NAME`,
   and :prop_tgt:`LIBRARY_OUTPUT_NAME` target properties and their configuration
@@ -1570,9 +1649,151 @@ In the following, the phrase "the ``tgt`` filename" means the name of the
   Note that ``tgt`` is not added as a dependency of the target this
   expression is evaluated on (see policy :policy:`CMP0112`).
 
+.. genex:: $<TARGET_LINKER_LIBRARY_FILE:tgt>
+
+  .. versionadded:: 3.27
+
+  File used when linking o the ``tgt`` target is done using directly the
+  library, and not an import file. This will usually be the library that
+  ``tgt`` represents (``.a``, ``.so``, ``.dylib``). So, on DLL platforms, it
+  will be an empty string.
+
+.. genex:: $<TARGET_LINKER_LIBRARY_FILE_BASE_NAME:tgt>
+
+  .. versionadded:: 3.27
+
+  Base name of library file used to link the target ``tgt``, i.e.
+  :genex:`$<TARGET_LINKER_LIBRARY_FILE_NAME:tgt>` without prefix and suffix.
+  For example, if target file name is ``libbase.a``, the base name is ``base``.
+
+  See also the :prop_tgt:`OUTPUT_NAME`, :prop_tgt:`ARCHIVE_OUTPUT_NAME`,
+  and :prop_tgt:`LIBRARY_OUTPUT_NAME` target properties and their configuration
+  specific variants :prop_tgt:`OUTPUT_NAME_<CONFIG>`,
+  :prop_tgt:`ARCHIVE_OUTPUT_NAME_<CONFIG>` and
+  :prop_tgt:`LIBRARY_OUTPUT_NAME_<CONFIG>`.
+
+  The :prop_tgt:`<CONFIG>_POSTFIX` and :prop_tgt:`DEBUG_POSTFIX` target
+  properties can also be considered.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_LINKER_LIBRARY_FILE_PREFIX:tgt>
+
+  .. versionadded:: 3.27
+
+  Prefix of the library file used to link target ``tgt``.
+
+  See also the :prop_tgt:`PREFIX` target property.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_LINKER_LIBRARY_FILE_SUFFIX:tgt>
+
+  .. versionadded:: 3.27
+
+  Suffix of the library file used to link target ``tgt``.
+
+  The suffix corresponds to the file extension (such as ".a" or ".dylib").
+
+  See also the :prop_tgt:`SUFFIX` target property.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_LINKER_LIBRARY_FILE_NAME:tgt>
+
+  .. versionadded:: 3.27
+
+  Name of the library file used to link target ``tgt``.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_LINKER_LIBRARY_FILE_DIR:tgt>
+
+  .. versionadded:: 3.27
+
+  Directory of the library file used to link target ``tgt``.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_LINKER_IMPORT_FILE:tgt>
+
+  .. versionadded:: 3.27
+
+  File used when linking to the ``tgt`` target is done using an import
+  file.  This will usually be the import file that ``tgt`` represents
+  (``.lib``, ``.tbd``). So, when no import file is involved in the link step,
+  an empty string is returned.
+
+.. genex:: $<TARGET_LINKER_IMPORT_FILE_BASE_NAME:tgt>
+
+  .. versionadded:: 3.27
+
+  Base name of the import file used to link the target ``tgt``, i.e.
+  :genex:`$<TARGET_LINKER_IMPORT_FILE_NAME:tgt>` without prefix and suffix.
+  For example, if target file name is ``libbase.tbd``, the base name is ``base``.
+
+  See also the :prop_tgt:`OUTPUT_NAME` and :prop_tgt:`ARCHIVE_OUTPUT_NAME`,
+  target properties and their configuration
+  specific variants :prop_tgt:`OUTPUT_NAME_<CONFIG>` and
+  :prop_tgt:`ARCHIVE_OUTPUT_NAME_<CONFIG>`.
+
+  The :prop_tgt:`<CONFIG>_POSTFIX` and :prop_tgt:`DEBUG_POSTFIX` target
+  properties can also be considered.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_LINKER_IMPORT_FILE_PREFIX:tgt>
+
+  .. versionadded:: 3.27
+
+  Prefix of the import file used to link target ``tgt``.
+
+  See also the :prop_tgt:`IMPORT_PREFIX` target property.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_LINKER_IMPORT_FILE_SUFFIX:tgt>
+
+  .. versionadded:: 3.27
+
+  Suffix of the import file used to link target ``tgt``.
+
+  The suffix corresponds to the file extension (such as ".lib" or ".tbd").
+
+  See also the :prop_tgt:`IMPORT_SUFFIX` target property.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_LINKER_IMPORT_FILE_NAME:tgt>
+
+  .. versionadded:: 3.27
+
+  Name of the import file used to link target ``tgt``.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_LINKER_IMPORT_FILE_DIR:tgt>
+
+  .. versionadded:: 3.27
+
+  Directory of the import file used to link target ``tgt``.
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
 .. genex:: $<TARGET_SONAME_FILE:tgt>
 
   File with soname (``.so.3``) where ``tgt`` is the name of a target.
+
 .. genex:: $<TARGET_SONAME_FILE_NAME:tgt>
 
   Name of file with soname (``.so.3``).
@@ -1582,11 +1803,35 @@ In the following, the phrase "the ``tgt`` filename" means the name of the
 
 .. genex:: $<TARGET_SONAME_FILE_DIR:tgt>
 
-  Directory of with soname (``.so.3``).
+  Directory of file with soname (``.so.3``).
 
   Note that ``tgt`` is not added as a dependency of the target this
   expression is evaluated on (see policy :policy:`CMP0112`).
 
+.. genex:: $<TARGET_SONAME_IMPORT_FILE:tgt>
+
+  .. versionadded:: 3.27
+
+  Import file with soname (``.3.tbd``) where ``tgt`` is the name of a target.
+
+.. genex:: $<TARGET_SONAME_IMPORT_FILE_NAME:tgt>
+
+  .. versionadded:: 3.27
+
+  Name of the import file with soname (``.3.tbd``).
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
+.. genex:: $<TARGET_SONAME_IMPORT_FILE_DIR:tgt>
+
+  .. versionadded:: 3.27
+
+  Directory of the import file with soname (``.3.tbd``).
+
+  Note that ``tgt`` is not added as a dependency of the target this
+  expression is evaluated on.
+
 .. genex:: $<TARGET_PDB_FILE:tgt>
 
   .. versionadded:: 3.1
diff --git a/Help/manual/cmake-variables.7.rst b/Help/manual/cmake-variables.7.rst
index 373450d..99ea564 100644
--- a/Help/manual/cmake-variables.7.rst
+++ b/Help/manual/cmake-variables.7.rst
@@ -429,6 +429,7 @@ Variables that Control the Build
    /variable/CMAKE_DISABLE_PRECOMPILE_HEADERS
    /variable/CMAKE_DLL_NAME_WITH_SOVERSION
    /variable/CMAKE_ENABLE_EXPORTS
+   /variable/CMAKE_EXECUTABLE_ENABLE_EXPORTS
    /variable/CMAKE_EXE_LINKER_FLAGS
    /variable/CMAKE_EXE_LINKER_FLAGS_CONFIG
    /variable/CMAKE_EXE_LINKER_FLAGS_CONFIG_INIT
@@ -508,6 +509,7 @@ Variables that Control the Build
    /variable/CMAKE_POSITION_INDEPENDENT_CODE
    /variable/CMAKE_RUNTIME_OUTPUT_DIRECTORY
    /variable/CMAKE_RUNTIME_OUTPUT_DIRECTORY_CONFIG
+   /variable/CMAKE_SHARED_LIBRARY_ENABLE_EXPORTS
    /variable/CMAKE_SHARED_LINKER_FLAGS
    /variable/CMAKE_SHARED_LINKER_FLAGS_CONFIG
    /variable/CMAKE_SHARED_LINKER_FLAGS_CONFIG_INIT
diff --git a/Help/prop_tgt/ARCHIVE_OUTPUT_DIRECTORY.rst b/Help/prop_tgt/ARCHIVE_OUTPUT_DIRECTORY.rst
index 677e06d..abb627c 100644
--- a/Help/prop_tgt/ARCHIVE_OUTPUT_DIRECTORY.rst
+++ b/Help/prop_tgt/ARCHIVE_OUTPUT_DIRECTORY.rst
@@ -6,4 +6,7 @@ ARCHIVE_OUTPUT_DIRECTORY
 .. |CMAKE_XXX_OUTPUT_DIRECTORY| replace:: :variable:`CMAKE_ARCHIVE_OUTPUT_DIRECTORY`
 .. include:: XXX_OUTPUT_DIRECTORY.txt
 
+.. |IDEM| replace:: in the same directory
+.. include:: MACOS_IMPORT_FILES.txt
+
 See also the :prop_tgt:`ARCHIVE_OUTPUT_DIRECTORY_<CONFIG>` target property.
diff --git a/Help/prop_tgt/ARCHIVE_OUTPUT_NAME.rst b/Help/prop_tgt/ARCHIVE_OUTPUT_NAME.rst
index 6150193..1f1c467 100644
--- a/Help/prop_tgt/ARCHIVE_OUTPUT_NAME.rst
+++ b/Help/prop_tgt/ARCHIVE_OUTPUT_NAME.rst
@@ -5,4 +5,7 @@ ARCHIVE_OUTPUT_NAME
 .. |xxx| replace:: archive
 .. include:: XXX_OUTPUT_NAME.txt
 
+.. |IDEM| replace:: with the same name
+.. include:: MACOS_IMPORT_FILES.txt
+
 See also the :prop_tgt:`ARCHIVE_OUTPUT_NAME_<CONFIG>` target property.
diff --git a/Help/prop_tgt/ENABLE_EXPORTS.rst b/Help/prop_tgt/ENABLE_EXPORTS.rst
index 0b1064a..3e9b285 100644
--- a/Help/prop_tgt/ENABLE_EXPORTS.rst
+++ b/Help/prop_tgt/ENABLE_EXPORTS.rst
@@ -1,7 +1,7 @@
 ENABLE_EXPORTS
 --------------
 
-Specify whether an executable exports symbols for loadable modules.
+Specify whether an executable or a shared library exports symbols.
 
 Normally an executable does not export any symbols because it is the
 final program.  It is possible for an executable to export symbols to
@@ -28,4 +28,29 @@ varies by platform:
   automatically bind symbols when the module is loaded.
 
 This property is initialized by the value of the variable
-:variable:`CMAKE_ENABLE_EXPORTS` if it is set when a target is created.
+:variable:`CMAKE_EXECUTABLE_ENABLE_EXPORTS` if it is set when an executable
+target is created.
+
+.. versionadded:: 3.27
+  On macOS, to link with a shared library (standard one as well as framework),
+  a linker import file (e.g. a text-based stubs file, with ``.tbd`` extension)
+  can be used instead of the shared library itself.
+
+The generation of these linker import files, as well as the consumption, is
+controlled by this property. When this property is set to true, CMake will
+generate a ``.tbd`` file for each shared library created by
+:command:`add_library` command. This allow other targets to use this ``.tbd``
+file to link to the library with the :command:`target_link_libraries`
+command.
+
+.. note::
+
+  For compatibility purpose, this property will be ignored if
+  :prop_tgt:`XCODE_ATTRIBUTE_GENERATE_TEXT_BASED_STUBS <XCODE_ATTRIBUTE_<an-attribute>>`
+  target property or the
+  :variable:`CMAKE_XCODE_ATTRIBUTE_GENERATE_TEXT_BASED_STUBS <CMAKE_XCODE_ATTRIBUTE_<an-attribute>>`
+  variable is set to ``NO``.
+
+This property is initialized by the value of the variable
+:variable:`CMAKE_SHARED_LIBRARY_ENABLE_EXPORTS` if it is set when a shared
+library target is created.
diff --git a/Help/prop_tgt/IMPORTED_IMPLIB.rst b/Help/prop_tgt/IMPORTED_IMPLIB.rst
index c8b6fde..77549f3 100644
--- a/Help/prop_tgt/IMPORTED_IMPLIB.rst
+++ b/Help/prop_tgt/IMPORTED_IMPLIB.rst
@@ -3,7 +3,13 @@ IMPORTED_IMPLIB
 
 Full path to the import library for an ``IMPORTED`` target.
 
-Set this to the location of the ``.lib`` part of a Windows DLL, or on
-AIX set it to an import file created for executables that export symbols
-(see the :prop_tgt:`ENABLE_EXPORTS` target property).
-Ignored for non-imported targets.
+This property may be set:
+
+* On DLL platforms, to the location of the ``.lib`` part of the DLL.
+* On AIX, to an import file (e.g. ``.imp``) created for executables that export
+  symbols (see the :prop_tgt:`ENABLE_EXPORTS` target property).
+* On macOS, to an import file (e.g. ``.tbd``) created for shared libraries (see
+  the :prop_tgt:`ENABLE_EXPORTS` target property). For frameworks this is the
+  location of the ``.tbd`` file symlink just inside the framework folder.
+
+This property is ignored for non-imported targets.
diff --git a/Help/prop_tgt/IMPORTED_LOCATION.rst b/Help/prop_tgt/IMPORTED_LOCATION.rst
index ddd910a..a7207d8 100644
--- a/Help/prop_tgt/IMPORTED_LOCATION.rst
+++ b/Help/prop_tgt/IMPORTED_LOCATION.rst
@@ -27,5 +27,5 @@ selected and its :prop_tgt:`IMPORTED_LOCATION_<CONFIG>` value used.
 To get the location of an imported target read one of the :prop_tgt:`LOCATION`
 or ``LOCATION_<CONFIG>`` properties.
 
-For platforms with import libraries (e.g. Windows) see also
+For platforms with import libraries (e.g. Windows, AIX or macOS) see also
 :prop_tgt:`IMPORTED_IMPLIB`.
diff --git a/Help/prop_tgt/MACOS_IMPORT_FILES.txt b/Help/prop_tgt/MACOS_IMPORT_FILES.txt
new file mode 100644
index 0000000..3c98fc8
--- /dev/null
+++ b/Help/prop_tgt/MACOS_IMPORT_FILES.txt
@@ -0,0 +1,12 @@
+.. note::
+
+  On macOS, this property will be ignored for the linker import files (e.g.
+  ``.tbd`` files, see :prop_tgt:`ENABLE_EXPORTS` property for details) when:
+
+  * The :prop_tgt:`FRAMEWORK` is set, because the framework layout cannot be
+    changed.
+  * The :generator:`Xcode` generator is used, due to the limitations and
+    constraints of the ``Xcode`` tool.
+
+  In both cases, the linker import files will be generated |IDEM| as the shared
+  library.
diff --git a/Help/release/dev/Apple-tbd-files-management.rst b/Help/release/dev/Apple-tbd-files-management.rst
new file mode 100644
index 0000000..edcfe55
--- /dev/null
+++ b/Help/release/dev/Apple-tbd-files-management.rst
@@ -0,0 +1,6 @@
+Apple-tbd-files-management
+--------------------------
+
+* Support for text-based stubs (i.e. ``.tbd`` files) was added on macOS
+  platform. This capability is managed through the :prop_tgt:`ENABLE_EXPORTS`
+  property.
diff --git a/Help/variable/CMAKE_ENABLE_EXPORTS.rst b/Help/variable/CMAKE_ENABLE_EXPORTS.rst
index 9f43de3..d2c5ed0 100644
--- a/Help/variable/CMAKE_ENABLE_EXPORTS.rst
+++ b/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.
diff --git a/Help/variable/CMAKE_EXECUTABLE_ENABLE_EXPORTS.rst b/Help/variable/CMAKE_EXECUTABLE_ENABLE_EXPORTS.rst
new file mode 100644
index 0000000..aa6dda2
--- /dev/null
+++ b/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.
diff --git a/Help/variable/CMAKE_SHARED_LIBRARY_ENABLE_EXPORTS.rst b/Help/variable/CMAKE_SHARED_LIBRARY_ENABLE_EXPORTS.rst
new file mode 100644
index 0000000..3e2c6df
--- /dev/null
+++ b/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.