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+CMake 3.27 Release Notes
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+************************
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+
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+.. only:: html
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+
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+ .. contents::
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+
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+Changes made since CMake 3.26 include the following.
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+
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+* Support for text-based stubs (i.e. ``.tbd`` files) was added on macOS
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+ platform. This capability is managed through the :prop_tgt:`ENABLE_EXPORTS`
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+ property.
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+
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+* The :variable:`CMAKE_AUTOMOC_EXECUTABLE`,
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+ :variable:`CMAKE_AUTORCC_EXECUTABLE`, and
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+ :variable:`CMAKE_AUTOUIC_EXECUTABLE` variables were added to initialize the
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+ corresponding target properties as targets are created.
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+
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+* The :prop_tgt:`AUTOGEN_USE_SYSTEM_INCLUDE` target property and
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+ corresponding :variable:`CMAKE_AUTOGEN_USE_SYSTEM_INCLUDE` were
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+ added to explicitly control whether autogen headers are
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+ considered system headers.
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+
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+* The :prop_tgt:`INTERFACE_AUTOMOC_MACRO_NAMES` target property was added to
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+ specify macro names for ``moc`` as a transitive usage requirement.
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+
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+* :manual:`cmake(1)` now supports interactive debugging of the CMake language.
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+ See the :option:`--debugger <cmake --debugger>` option.
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+
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+* ``cmake --build $dir --verbose`` will now print the working directory and
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+ command line used to perform the build.
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+
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+* The :cpack_gen:`CPack Inno Setup Generator` was added to package using
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+ Inno Setup.
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+
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+ The new generator adds:
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+
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+ * A lot of options to customize the Inno Setup installer (e.g. custom
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+ installation rules)
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+ * Start menu and desktop shortcuts
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+ * Components (and also downloaded components)
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+
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+* The :prop_test:`TIMEOUT_SIGNAL_NAME` and
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+ :prop_test:`TIMEOUT_SIGNAL_GRACE_PERIOD` test properties were added
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+ to specify a POSIX signal to send to a test process when its timeout
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+ is reached.
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+
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+* A :prop_tgt:`CUDA_CUBIN_COMPILATION` target property was added to
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+ :ref:`Object Libraries` to support compiling to ``.cubin`` files
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+ instead of host object files. Currently only supported with NVIDIA.
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+
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+* A :prop_tgt:`CUDA_FATBIN_COMPILATION` target property was added to
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+ :ref:`Object Libraries` to support compiling to ``.fatbin`` files
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+ instead of host object files. Currently only supported with NVIDIA.
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+
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+* A :prop_tgt:`CUDA_OPTIX_COMPILATION` target property was added to
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+ :ref:`Object Libraries` to support compiling to ``.optixir`` files
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+ instead of host object files. Currently only supported with NVIDIA.
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+
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+* Source file extensions ``.ccm``, ``.cxxm``, or ``.c++m`` are now
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+ treated as C++.
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+
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+* The :ref:`Extra Generators` have been deprecated. IDEs may use the
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+ :manual:`cmake-file-api(7)` to view CMake-generated project build trees.
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+
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+* Compatibility with versions of CMake older than 3.5 is now deprecated
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+ and will be removed from a future version. Calls to
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+ :command:`cmake_minimum_required` or :command:`cmake_policy` that set
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+ the policy version to an older value now issue a deprecation diagnostic.
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+
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+* The :variable:`CMAKE_DLL_NAME_WITH_SOVERSION` variable and associated
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+ :prop_tgt:`DLL_NAME_WITH_SOVERSION` target property were added to
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+ optionally append the :prop_tgt:`SOVERSION` to the filename of the
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+ ``.dll`` part of a shared library on Windows.
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+
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+* The ``update`` and ``patch`` steps of an :module:`ExternalProject` will now
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+ always re-execute if any of their details change, even if
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+ ``UPDATE_DISCONNECTED`` was set to true in the call to
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+ :command:`ExternalProject_Add`. If using the GIT download method and the
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+ ``GIT_TAG`` is changed and the new ``GIT_TAG`` isn't already known locally,
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+ this is now a fatal error instead of silently using the previous ``GIT_TAG``.
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+
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+* When ``UPDATE_DISCONNECTED`` is set to true in a call to
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+ :command:`ExternalProject_Add`, the ``configure`` step will no longer
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+ re-run on every build. It will only re-run if details of the ``download``,
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+ ``update`` or ``patch`` step change.
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+
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+* The :module:`ExternalProject` and :module:`FetchContent` modules
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+ now resolve relative `GIT_REPOSITORY` paths as relative to the
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+ parent project's remote, not as a relative local file system path.
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+ See :policy:`CMP0150`.
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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 2.6.
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+* The :manual:`cmake-file-api(7)` "codemodel" version 2 "target" object gained
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+ a new "frameworks" field in the "compileGroups" objects.
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+
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+* The :command:`cmake_file_api` command was added, enabling projects to
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+ add :manual:`CMake file API <cmake-file-api(7)>` queries for the current
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+ CMake run.
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+
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+
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+* The :command:`file(GET_RUNTIME_DEPENDENCIES)` command now case-preserves
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+ DLL names reported on Windows. They are still converted to lowercase
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+ for filter matching.
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+
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+* The :module:`FindCUDA` module has been fully deprecated via policy
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+ :policy:`CMP0146`. Port projects to CMake's first-class ``CUDA``
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+ language support.
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+
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+* The :module:`FindCUDAToolkit` module now provides an imported target for ``cudla``, if found.
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+
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+* The :module:`FindDoxygen` module's ``doxygen_add_docs`` command gained
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+ a ``CONFIG_FILE`` option to specify a custom doxygen configuration file.
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+
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+* The :module:`FindOpenGL` module gained support for components
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+ ``GLES2`` and ``GLES3``.
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+
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+* The :command:`find_package` command now searches prefixes specified by
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+ upper-case :variable:`<PACKAGENAME>_ROOT` CMake variables and upper-case
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+ :envvar:`<PACKAGENAME>_ROOT` environment variables.
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+ See policy :policy:`CMP0144`.
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+
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+* :module:`FindPython`, :module:`FindPython2` and :module:`FindPython3` modules
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+ learn to manage ``Windows/ARM`` platform.
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+
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+* The :module:`FindwxWidgets` module now provides an imported target.
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+
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+* The :genex:`COMPILE_ONLY` generator expression has been added which provides
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+ compilation usage requirements without any linking requirements.
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+
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+* The :genex:`LIST` generator expression was added to manage lists.
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+
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+* The :command:`install(CODE)` and :command:`install(SCRIPT)` commands
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+ now support the :genex:`$<INSTALL_PREFIX>` generator expression.
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+
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+* The :prop_tgt:`<LANG>_LINKER_LAUNCHER` target property now supports
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+ :manual:`generator expressions <cmake-generator-expressions(7)>`.
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+
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+* The :prop_tgt:`<LANG>_CLANG_TIDY`, :prop_tgt:`<LANG>_CPPCHECK`,
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+ :prop_tgt:`<LANG>_CPPLINT`, and :prop_tgt:`<LANG>_INCLUDE_WHAT_YOU_USE`,
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+ target properties now support
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+ :manual:`generator expressions <cmake-generator-expressions(7)>`.
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+
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+* The :command:`add_custom_command` command gained a new
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+ ``DEPENDS_EXPLICIT_ONLY`` option to tell the :ref:`Ninja Generators`
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+ not to add any dependencies implied by the target to which it is
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+ attached.
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+
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+* The :variable:`CMAKE_ADD_CUSTOM_COMMAND_DEPENDS_EXPLICIT_ONLY` variable can
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+ be set to enable ``DEPENDS_EXPLICIT_ONLY`` in all uses of
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+ :command:`add_custom_command` command.
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+
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+* The :genex:`$<PATH>` generator expression learned to process list of paths
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+ for decomposition and transformation operations.
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+
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+* :manual:`cmake-presets(7)` files now support schema version ``7``.
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+
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+* :manual:`cmake-presets(7)` now supports ``$penv{}`` macro expansion
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+ in ``include`` fields.
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+
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+* The :module:`Dart` and :module:`FindDart` modules have been deprecated via
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+ policy :policy:`CMP0145`. Port projects to the :module:`CTest` module.
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+
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+* The :module:`FindPythonInterp` and :module:`FindPythonLibs` modules have
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+ been fully deprecated via policy :policy:`CMP0148`. Port projects to
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+ :module:`FindPython3`, :module:`FindPython2`, or :module:`FindPython`.
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+
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+* The :prop_sf:`SKIP_LINTING` source file property was added to suppress
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+ target-wide code checks on specific sources.
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+
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+* The :prop_tgt:`SYSTEM` target property is now honored for Apple Frameworks.
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+
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+* GNU (and GNU-compatible) linkers gained support for a ``--dependency-file``
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+ flag in GNU Binutils 2.35 and LLVM's LLD 12.0.0. The
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+ :ref:`Makefile <Makefile Generators>` and :ref:`Ninja <Ninja Generators>`
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+ generators will now add these flags so that files read by the linker will
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+ cause a relink if they change (typically modified timestamps).
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+
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+ This feature can be controlled by the variable
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+ :variable:`CMAKE_LINK_DEPENDS_USE_LINKER`.
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+
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+* The :generator:`Visual Studio 9 2008` generator is now deprecated
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+ and will be removed in a future version of CMake.
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+
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+* :ref:`Visual Studio Generators`, for VS 15.8 (2017) and newer, now
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+ build custom commands in parallel. See policy :policy:`CMP0147`.
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+
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+* Variables :variable:`CMAKE_VS_DEBUGGER_COMMAND`,
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+ :variable:`CMAKE_VS_DEBUGGER_COMMAND_ARGUMENTS`,
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+ :variable:`CMAKE_VS_DEBUGGER_ENVIRONMENT`, and
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+ :variable:`CMAKE_VS_DEBUGGER_WORKING_DIRECTORY` were added to initialize
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+ corresponding target properties.
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+
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+* The :ref:`Visual Studio Generators` for VS 2015 and above learned to
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+ select the Windows SDK version explicitly using a ``version=`` field
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+ in the :variable:`CMAKE_GENERATOR_PLATFORM` variable.
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+ See :ref:`Visual Studio Platform Selection`.
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+
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+* The :variable:`CMAKE_VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION` variable
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+ was added to initialize the :prop_tgt:`VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION`
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+ target property on all targets when they are created.
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Brad King