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Help: Organize and revise 3.26 release notes
Add section headers similar to the 3.25 release notes and move each individual bullet into an appropriate section. Revise a few bullets. Add a bullet for `FindImageMagick` that was accidentally left out when its changes were made.
This commit is contained in:
Brad King
@@ -7,37 +7,57 @@ CMake 3.26 Release Notes
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Changes made since CMake 3.25 include the following.
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* The :genex:`BUILD_LOCAL_INTERFACE` generator expression was added to
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prevent usage requirements from being exported to dependent projects.
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New Features
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============
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* A new :prop_tgt:`<LANG>_CLANG_TIDY_EXPORT_FIXES_DIR` target property was
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created to allow the ``clang-tidy`` tool to export its suggested fixes to a
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set of ``.yaml`` files. A new
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:variable:`CMAKE_<LANG>_CLANG_TIDY_EXPORT_FIXES_DIR` variable was created to
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initialize this property.
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Languages
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---------
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* The :manual:`cmake(1)` ``-E`` option learned a new ``copy_directory_if_different`` command.
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* The ``ASM_MARMASM`` language was added to support the
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Microsoft ARM assembler language.
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* The :option:`cmake -E copy <cmake-E copy>` argument now supports a ``-t`` argument.
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Command-Line
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------------
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* The :prop_tgt:`EXPORT_COMPILE_COMMANDS` target property will now have the
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``output`` field in the compile commands objects. This allows multi-config
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generators (namely :generator:`Ninja Multi-Config` generator) to contain the
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compile commands for all configurations.
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* The :option:`cmake -E copy <cmake-E copy>` command-line tool now
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supports a ``-t`` argument.
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* For all ``COMPILE_DEFINITIONS`` properties, any leading ``-D`` on an item
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will be removed regardless how to was defined: as is or inside a generator
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expression.
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* The :option:`cmake -E copy_directory_if_different
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<cmake-E copy_directory_if_different>` command-line tool was added.
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* CMake now writes a YAML log of configure-time checks.
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Configure Log
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-------------
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* CMake now writes a YAML log of configure-time checks to
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``CMakeFiles/CMakeConfigureLog.yaml`` under the top of the build tree.
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See the :manual:`cmake-configure-log(7)` manual.
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File-Based API
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--------------
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* The :manual:`cmake-file-api(7)` "codemodel" version 2 ``version`` field has
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been updated to 2.5.
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* The :manual:`cmake-file-api(7)` "codemodel" version 2 "target" object
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gained a new ``fileSets`` field and associated ``fileSetIndex``
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field to ``sources`` objects.
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* The :manual:`cmake-file-api(7)` gained a new "configureLog" object kind
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that enables stable access to the :manual:`cmake-configure-log(7)`.
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Commands
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--------
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* The :command:`add_custom_command` and :command:`add_custom_target` commands
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now support :manual:`generator expressions <cmake-generator-expressions(7)>`
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in their ``COMMENT`` option.
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* The :command:`message` command gained a ``CONFIGURE_LOG`` mode to
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record an entry in the :manual:`cmake-configure-log(7)`.
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* The :command:`string(TIMESTAMP)` and :command:`file(TIMESTAMP)` commands
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now support the ``%z`` and ``%Z`` specifiers for the time zone.
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* The :command:`try_compile` and :command:`try_run` commands gained
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a ``LOG_DESCRIPTION`` option specifying text to be recorded in the
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:manual:`cmake-configure-log(7)`.
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@@ -46,51 +66,103 @@ Changes made since CMake 3.25 include the following.
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``NO_LOG`` option to skip recording a :manual:`cmake-configure-log(7)`
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entry.
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Variables
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---------
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* The :variable:`CMAKE_<LANG>_COMPILER_FRONTEND_VARIANT` variable is now
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set for ``GNU``, ``MSVC``, and ``AppleClang`` compilers that have only
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one frontend variant.
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* A :variable:`CMAKE_VS_VERSION_BUILD_NUMBER` variable is now set by
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:ref:`Visual Studio Generators` for VS 2017 and above to report the
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four-component Visual Studio version number.
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Properties
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----------
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* The :prop_tgt:`<LANG>_CLANG_TIDY_EXPORT_FIXES_DIR` target property was
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added to allow the ``clang-tidy`` tool to export its suggested fixes to a
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set of ``.yaml`` files. A new
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:variable:`CMAKE_<LANG>_CLANG_TIDY_EXPORT_FIXES_DIR` variable was created to
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initialize this property.
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* The :prop_tgt:`XCODE_EMBED_EXTENSIONKIT_EXTENSIONS <XCODE_EMBED_<type>>`
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target property was added to tell the :generator:`Xcode` generator to
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ExtensionKit-based extensions such as extensions using the Background
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Assets framework. Aspects of the embedding can be customized with:
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* :prop_tgt:`XCODE_EMBED_EXTENSIONKIT_EXTENSIONS_PATH <XCODE_EMBED_<type>>`
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* :prop_tgt:`XCODE_EMBED_EXTENSIONKIT_EXTENSIONS_CODE_SIGN_ON_COPY <XCODE_EMBED_<type>_CODE_SIGN_ON_COPY>`
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* :prop_tgt:`XCODE_EMBED_EXTENSIONKIT_EXTENSIONS_REMOVE_HEADERS_ON_COPY <XCODE_EMBED_<type>_REMOVE_HEADERS_ON_COPY>`
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Modules
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-------
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* The :module:`ExternalProject` module :command:`ExternalProject_Add` command
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gained an ``INSTALL_BYPRODUCTS`` option to specify files generated by the
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``install`` step.
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* The :module:`FindCUDAToolkit` module:
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* gained support for the ``sbsa-linux`` cross compilation target, and
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* now provides an imported target for ``nvrtc_static``, if found.
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* The :module:`FindImageMagick` module now provides imported targets.
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* The :module:`FindPython3` and :module:`FindPython` modules gained
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support for the `Stable Application Binary Interface`_.
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* The :module:`UseSWIG` module gained the support for the ``perl5`` language.
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.. _`Stable Application Binary Interface`: https://docs.python.org/3/c-api/stable.html
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Generator Expressions
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---------------------
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* The :genex:`$<BUILD_LOCAL_INTERFACE:...>` generator expression was added to
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prevent usage requirements from being exported to dependent projects.
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CTest
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-----
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* The :envvar:`CTEST_NO_TESTS_ACTION` environment variable was added to
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provide a default value for the
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:option:`--no-tests=\<action\> <ctest --no-tests>` command line
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argument of :manual:`ctest(1)`.
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* :command:`add_custom_command` and :command:`add_custom_target` now
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support :manual:`generator expressions <cmake-generator-expressions(7)>`
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in their ``COMMENT`` option.
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Deprecated and Removed Features
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===============================
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* The ``CMakeFiles/CMakeOutput.log`` and ``CMakeFiles/CMakeError.log``
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files are no longer populated by CMake's builtin modules, and
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:manual:`cmake(1)` no longer suggests looking at them after a
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``CMake Error`` occurs. Information previously logged to those
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files is instead logged to ``CMakeFiles/CMakeConfigureLog.yaml``,
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the :manual:`cmake-configure-log(7)`.
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* On CYGWIN, the undocumented ``CMAKE_LEGACY_CYGWIN_WIN32`` mode for
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compatibility with CMake versions older than 2.8.4 has been removed.
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* The :module:`ExternalProject` module :command:`ExternalProject_Add` command
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gained an ``INSTALL_BYPRODUCTS`` option to specify files generated by the
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"install" step.
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* The :manual:`cmake-file-api(7)` "codemodel" version 2 ``version`` field has
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been updated to 2.5.
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* The :manual:`cmake-file-api(7)` "codemodel" version 2 "target" object
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gained a new ``fileSets`` field and associated ``fileSetIndex``
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field to ``sources`` objects.
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* The :module:`FindCUDAToolkit` gained support for the `sbsa-linux` cross compilation target
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* The :module:`FindCUDAToolkit` module now provides a target for
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``libnvrtc_static``, if found.
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* The :module:`FindPython3` and :module:`FindPython` modules gain the support
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of the
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`Stable Application Binary Interface <https://docs.python.org/3/c-api/stable.html>`_.
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* The :variable:`CMAKE_<LANG>_COMPILER_FRONTEND_VARIANT` variable is now
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set for ``GNU``, ``MSVC``, and ``AppleClang`` compilers that have only
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one frontend variant.
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Other Changes
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=============
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* :ref:`Language Standard Flags`, such as ``-std=c++11``, when generated due
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to :command:`target_compile_features` or :variable:`CMAKE_<LANG>_STANDARD`,
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are now placed before flags added by :command:`target_compile_options`,
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rather than after them.
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* The ``ASM_MARMASM`` language was added to support the Microsoft ARM assembler language.
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* For all ``COMPILE_DEFINITIONS`` properties, any leading ``-D`` on an item
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is removed whether or not it was specified by a generator expression.
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* The :command:`string(TIMESTAMP)` and :command:`file(TIMESTAMP)` commands
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now support the ``%z`` and ``%Z`` specifiers for the time zone.
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* The ``compile_commands.json`` database enabled by
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:variable:`CMAKE_EXPORT_COMPILE_COMMANDS` now provides the ``output``
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field in the compile commands objects. This allows multi-config
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generators, such as the :generator:`Ninja Multi-Config` generator,
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to provide the compile commands for all configurations.
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* The :prop_gbl:`USE_FOLDERS` global property is treated as ``ON`` by default.
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See policy :policy:`CMP0143`.
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* The top-level :command:`project` call will now emit an author warning if the
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documented command order in relation to :command:`cmake_minimum_required` is
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@@ -98,21 +170,3 @@ Changes made since CMake 3.25 include the following.
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* The :option:`cmake --trace` option now follows :command:`try_compile` and
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:command:`try_run` invocations.
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* Global property :prop_gbl:`USE_FOLDERS` is treated as ``ON`` by default.
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See policy :policy:`CMP0143`.
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* The :module:`UseSWIG` module gained the support of ``perl5`` language.
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* A :variable:`CMAKE_VS_VERSION_BUILD_NUMBER` variable is now set by
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:ref:`Visual Studio Generators` for VS 2017 and above to report the
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four-component Visual Studio version number.
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* The :prop_tgt:`XCODE_EMBED_EXTENSIONKIT_EXTENSIONS <XCODE_EMBED_<type>>` target property
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was added to tell the :generator:`Xcode` generator to ExtensionKit-based extensions
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such as extensions using the Background Assets framework.
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Aspects of the embedding can be customized with the
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:prop_tgt:`XCODE_EMBED_EXTENSIONKIT_EXTENSIONS_PATH <XCODE_EMBED_<type>>`,
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:prop_tgt:`XCODE_EMBED_EXTENSIONKIT_EXTENSIONS_CODE_SIGN_ON_COPY <XCODE_EMBED_<type>_CODE_SIGN_ON_COPY>` and
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:prop_tgt:`XCODE_EMBED_EXTENSIONKIT_EXTENSIONS_REMOVE_HEADERS_ON_COPY <XCODE_EMBED_<type>_REMOVE_HEADERS_ON_COPY>`
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properties.
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