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Help: Organize and revise 3.21 release notes
Add section headers similar to the 3.20 release notes and move each individual bullet into an appropriate section. Revise a few bullets.
This commit is contained in:
Brad King
@@ -7,100 +7,104 @@ CMake 3.21 Release Notes
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Changes made since CMake 3.20 include the following.
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* The :command:`add_custom_command` command ``DEPFILE`` option learned to
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support :manual:`generator expressions <cmake-generator-expressions(7)>`.
|
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New Features
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============
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|
||||
* The :command:`add_custom_command` command gained ``DEPFILE`` support on
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the :generator:`Xcode` generator, and on :ref:`Visual Studio Generators`
|
||||
for VS 2012 and above.
|
||||
Presets
|
||||
-------
|
||||
|
||||
* The :ref:`add_custom_command(TARGET) <add_custom_command(TARGET)>` command
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gained support for resolving target-dependent generator expressions.
|
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* :manual:`cmake-presets(7)` gained support for specifying the install prefix
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in a configure preset.
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|
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* ``ARMClang`` cpu/arch compile and link flags are no longer added
|
||||
automatically based on the :variable:`CMAKE_SYSTEM_PROCESSOR`
|
||||
variable or the undocumented ``CMAKE_SYSTEM_ARCH`` variable.
|
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They must be specified explicitly. See policy :policy:`CMP0123`.
|
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* :manual:`cmake-presets(7)` gained support for conditional enabling of presets.
|
||||
|
||||
* The :manual:`cmake(1)` ``-E capabilities`` output now contains for each
|
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generator a ``supportedPlatforms`` field listing platform known to
|
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be supported in :variable:`CMAKE_GENERATOR_PLATFORM`.
|
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* :manual:`cmake-presets(7)` gained support for a ``${hostSystemName}`` macro.
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* The :manual:`cmake(1)` command gained the ``--install-prefix <dir>``
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command line option to specify the location of the install prefix.
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* :manual:`cmake-presets(7)` configure preset gained support for specifying
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the install prefix.
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* :manual:`cmake-presets(7)` now support conditional enabling of presets.
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|
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* :manual:`cmake-presets(7)` gained support for a new ``${hostSystemName}``
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macro.
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* :manual:`cmake-presets(7)` now support omitting the ``generator`` and
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* :manual:`cmake-presets(7)` gained support for omitting the ``generator`` and
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``binaryDir`` fields.
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* :variable:`CMAKE_HOST_SYSTEM_NAME`'s undocumented version-stripping behavior
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has been moved earlier, before :command:`project` or
|
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:command:`enable_language` is called.
|
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* :variable:`CMAKE_SYSTEM_NAME`'s undocumented version-stripping behavior has
|
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been removed entirely. If it is set by a ``-D`` flag or by a
|
||||
:manual:`toolchain file <cmake-toolchains(7)>`, it is left unaltered, even if
|
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it still contains a version number.
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Generators
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----------
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* The :manual:`cmake(1)` command gained the ``--toolchain <path/to/file>``
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command line option to specify a toolchain file.
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* The :ref:`Makefile Generators` and the :generator:`Ninja` generator
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learned to add linker launcher tools along with the linker for ``C``,
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``CXX``, ``OBJC``, and ``OBJCXX`` languages.
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See the :variable:`CMAKE_<LANG>_LINKER_LAUNCHER` variable
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and :prop_tgt:`<LANG>_LINKER_LAUNCHER` target property for details.
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* The :ref:`Visual Studio Generators` for VS 2010 and above now place
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per-source preprocessor definitions after target-wide preprocssor
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definitions. This makes VS consistent with the :ref:`Ninja Generators`
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and the :ref:`Makefile Generators`.
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Languages
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---------
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* The :cpack_gen:`CPack DragNDrop Generator` gained option
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:variable:`CPACK_DMG_FILESYSTEM` to control the ``.dmg`` filesystem.
|
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* CMake learned to support ``HIP`` as a first-class language that can be
|
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enabled via the :command:`project` and :command:`enable_language` commands.
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|
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* The new :variable:`CPACK_CUSTOM_INSTALL_VARIABLES`
|
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can be used to set variables in CPack ``cmake_install.cmake``
|
||||
invocations.
|
||||
|
||||
* The :cpack_gen:`CPack NSIS Generator` gained a new variable
|
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:variable:`CPACK_NSIS_EXECUTABLE` to specify the makensis
|
||||
executable to use instead of the default one.
|
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|
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* :prop_tgt:`C_STANDARD` and the
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* :prop_tgt:`C_STANDARD`, :prop_tgt:`OBJC_STANDARD`, and the
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:manual:`Compile Features <cmake-compile-features(7)>` functionality gained
|
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support for C17 and C23.
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||||
|
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* :manual:`ctest(1)` gained documentation for its ability to capture
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:ref:`Additional Test Measurements`.
|
||||
|
||||
* :manual:`ctest(1)` gained a ``--output-junit`` option to write test results
|
||||
to a JUnit XML file.
|
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|
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* :manual:`ctest(1)` learned to recognize files attached to a test at run time.
|
||||
Previously it was only possible to attach files to tests at configure time
|
||||
by using the :prop_test:`ATTACHED_FILES` or
|
||||
:prop_test:`ATTACHED_FILES_ON_FAIL` test properties.
|
||||
See :ref:`Additional Test Measurements` for more information.
|
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|
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* Source file extensions ``.ixx`` and ``.cppm`` are now treated as C++.
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* The :prop_dir:`IMPORTED_TARGETS` directory property was added to
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get a list of :ref:`Imported Targets` created in the current
|
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directory.
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||||
Command-Line
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------------
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* The :envvar:`CMAKE_TOOLCHAIN_FILE` environment variable was added to
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provide a default value for the :variable:`CMAKE_TOOLCHAIN_FILE` variable.
|
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* :manual:`cmake(1)` gained the ``--install-prefix <dir>``
|
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command-line option to specify the location of the install prefix.
|
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|
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* The :manual:`cmake-file-api(7)` "codemodel" version 2 ``version`` field has
|
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component been updated to 2.3.
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* :manual:`cmake(1)` gained the ``--toolchain <path/to/file>``
|
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command-line option to specify a toolchain file.
|
||||
|
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* :manual:`cmake(1)` ``-E capabilities`` output now contains for each
|
||||
generator a ``supportedPlatforms`` field listing platforms known to
|
||||
be supported in :variable:`CMAKE_GENERATOR_PLATFORM`.
|
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|
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* Messages printed to a terminal now may be colored by message type.
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Compilers
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---------
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* The Fujitsu compiler is now supported using compiler id ``Fujitsu``
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in traditional (``Trad``) mode, and compiler id ``FujitsuClang``
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in ``Clang`` mode.
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Platforms
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---------
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* CMake now supports the MSYS runtime environment, much like CYGWIN.
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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
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has been updated to 2.3.
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* The :manual:`cmake-file-api(7)` "codemodel" version 2 gained a
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new "directory" object containing directory-level information.
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This includes a list of installers generated by the :command:`install`
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command.
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* The :command:`file(COPY_FILE)` command was added to copy a file to another.
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Commands
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--------
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* The :command:`add_custom_command` command ``DEPFILE`` option:
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|
||||
* may now use
|
||||
:manual:`generator expressions <cmake-generator-expressions(7)>`,
|
||||
|
||||
* is now supported by :ref:`Visual Studio Generators` for VS 2012
|
||||
and above, and
|
||||
|
||||
* is now supported by the :generator:`Xcode` generator.
|
||||
|
||||
* The :command:`add_custom_command(TARGET)` command
|
||||
(for :ref:`Build Events <add_custom_command(TARGET)>`)
|
||||
gained support for resolving target-dependent generator expressions.
|
||||
|
||||
* The :command:`build_command` command gained a ``PARALLEL_LEVEL`` option.
|
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|
||||
* The :command:`file(COPY_FILE)` command was added to copy a single file.
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||||
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||||
* The :command:`file(GET_RUNTIME_DEPENDENCIES)` command gained new
|
||||
``POST_INCLUDE_FILES`` and ``POST_EXCLUDE_FILES`` arguments.
|
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* The :command:`file(REAL_PATH)` command gained the option ``EXPAND_TILDE`` to
|
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replace any leading tilde with the path to the user's home directory.
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@@ -109,121 +113,38 @@ Changes made since CMake 3.20 include the following.
|
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failure in a result variable. It also gained a ``NO_REPLACE``
|
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option to fail if the destination exists.
|
||||
|
||||
* The :module:`FindDevIL` module now provides imported targets.
|
||||
|
||||
* The :module:`FindIconv` module now has version support.
|
||||
|
||||
* The :module:`FindIntl` module now has version support.
|
||||
|
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* The :command:`find_file`, :command:`find_path`, :command:`find_program`,
|
||||
and :command:`find_library` commands handle cache variables in the same way
|
||||
regardless how they are defined. See policy :policy:`CMP0125` for details.
|
||||
|
||||
* The :command:`find_file`, :command:`find_path`, :command:`find_program`,
|
||||
and :command:`find_library` commands gained the option ``NO_CACHE`` to store
|
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find result in normal variable.
|
||||
|
||||
* The :module:`FindMsys` module was added to find MSYS installations.
|
||||
Like :module:`FindCygwin`, it is used automatically by some other
|
||||
find modules to locate UNIX-style tools on Windows.
|
||||
|
||||
* The :module:`FindVulkan` module gained imported targets
|
||||
``Vulkan::Headers`` and ``Vulkan::glslangValidator``.
|
||||
|
||||
* The :command:`foreach` command restrict loop variables to the loop scope.
|
||||
See policy :policy:`CMP0124` for details.
|
||||
|
||||
* Addition of the ``Fujitsu`` compiler ID operating in traditional ``Trad``
|
||||
mode and ``FujitsuClang`` operating in ``Clang`` mode.
|
||||
* The :module:`FindOpenMP` module learned to support ``Fujitsu`` and
|
||||
``FujitsuClang``.
|
||||
* The :module:`FindMPI` module learned to support ``Fujitsu`` and
|
||||
``FujitsuClang`` in both host and cross compiling modes.
|
||||
* The :module:`FindBLAS` and :module:`FindLAPACK` modules learned to support
|
||||
the serial ``Fujitsu SSL2`` and parallel ``Fujitsu SSL2BLAMP`` libraries.
|
||||
|
||||
* The :command:`build_command` command gained a ``PARALLEL_LEVEL`` option.
|
||||
|
||||
* The :command:`ctest_build` command gained a ``PARALLEL_LEVEL`` option.
|
||||
|
||||
* The :command:`file(GET_RUNTIME_DEPENDENCIES)` command gained new
|
||||
``POST_INCLUDE_FILES`` and ``POST_EXCLUDE_FILES`` arguments.
|
||||
|
||||
* CMake learned to support ``HIP`` as a first-class language that can be
|
||||
enabled via the :command:`project` and :command:`enable_language` commands.
|
||||
|
||||
* Names given as ``DEPENDS`` or ``DEPENDENCIES`` arguments to
|
||||
:command:`cpack_ifw_configure_component` or
|
||||
:command:`cpack_ifw_configure_component_group` may now contain hyphens.
|
||||
This requires QtIFW 3.1 or later.
|
||||
|
||||
* The :command:`install` command gained a new ``IMPORTED_RUNTIME_ARTIFACTS``
|
||||
mode, which can be used to install the runtime artifacts of imported targets.
|
||||
|
||||
* The :command:`install` command gained a new ``RUNTIME_DEPENDENCY_SET`` mode,
|
||||
which can be used to install runtime dependencies using
|
||||
:command:`file(GET_RUNTIME_DEPENDENCIES)`.
|
||||
|
||||
* The :command:`install(TARGETS)` command gained new ``RUNTIME_DEPENDENCIES``
|
||||
and ``RUNTIME_DEPENDENCY_SET`` arguments, which can be used to install
|
||||
runtime dependencies using :command:`file(GET_RUNTIME_DEPENDENCIES)`.
|
||||
* The :command:`install` command gained a new ``RUNTIME_DEPENDENCY_SET`` mode,
|
||||
which can be used to install runtime dependencies using
|
||||
:command:`file(GET_RUNTIME_DEPENDENCIES)`.
|
||||
|
||||
* The :command:`install(SCRIPT|CODE)` command
|
||||
supports a new option ``ALL_COMPONENTS`` which allows
|
||||
the corresponding code to run for every component of
|
||||
a per component installation.
|
||||
|
||||
* The :ref:`Makefile Generators` and the :generator:`Ninja` generator learned to
|
||||
add linker launcher tools along with the linker for ``C``, ``CXX``, ``OBJC``, and
|
||||
``OBJCXX`` languages. See the :variable:`CMAKE_<LANG>_LINKER_LAUNCHER` variable
|
||||
and :prop_tgt:`<LANG>_LINKER_LAUNCHER` target property for details.
|
||||
* The :command:`project` command now sets variables
|
||||
:variable:`PROJECT_IS_TOP_LEVEL` and :variable:`<PROJECT-NAME>_IS_TOP_LEVEL`
|
||||
to indicate whether it was called in a top-level ``CMakeLists.txt`` file.
|
||||
|
||||
* :command:`target_link_libraries` calls referencing object libraries
|
||||
via the :genex:`TARGET_OBJECTS` generator expression now place the
|
||||
object files before all libraries on the link line, regardless of
|
||||
their specified order. See documentation on
|
||||
:ref:`Linking Object Libraries via \$\<TARGET_OBJECTS\>` for details.
|
||||
Variables
|
||||
---------
|
||||
|
||||
* The :command:`list` command's ``GET``, ``INSERT``, ``SUBLIST``, and
|
||||
``REMOVE_AT`` subcommands now error with invalid (i.e., non-integer) values
|
||||
are given as any of their index arguments based on the setting of policy
|
||||
:policy:`CMP0121`.
|
||||
* The :envvar:`CMAKE_TOOLCHAIN_FILE` environment variable was added to
|
||||
provide a default value for the :variable:`CMAKE_TOOLCHAIN_FILE` variable.
|
||||
|
||||
* The precompiled binaries provided on
|
||||
`cmake.org <https://cmake.org/download/>`_ now support
|
||||
``liblzma`` multi-threading. See the :variable:`CPACK_THREADS` and
|
||||
:variable:`CPACK_ARCHIVE_THREADS` variables.
|
||||
Properties
|
||||
----------
|
||||
|
||||
* Messages printed to a terminal now may be colored by message type.
|
||||
|
||||
* CMake now supports the MSYS runtime environment, much like CYGWIN.
|
||||
|
||||
* The :ref:`Ninja Generators` now pass source files and include directories
|
||||
to the compiler using absolute paths. This makes diagnostic messages and
|
||||
debug symbols more consistent, and matches the :ref:`Makefile Generators`.
|
||||
|
||||
* The :generator:`NMake Makefiles` generator now encodes the generated
|
||||
makefiles as UTF-8 with a BOM when using ``nmake`` from VS 9 or above.
|
||||
|
||||
* :prop_tgt:`OBJC_STANDARD` gained support for C17 and C23.
|
||||
|
||||
* :command:`project` now sets variables :variable:`PROJECT_IS_TOP_LEVEL` and
|
||||
:variable:`<PROJECT-NAME>_IS_TOP_LEVEL` to indicate whether it was called
|
||||
in a top level ``CMakeLists.txt`` file.
|
||||
|
||||
* A new :genex:`TARGET_RUNTIME_DLLS` generator expression was added.
|
||||
|
||||
* The :command:`set(CACHE)` command no longer removes a normal variable of the
|
||||
same name, if any. See policy :policy:`CMP0126`.
|
||||
|
||||
* The :module:`UseJava` module command ``add_jar`` gained option RESOURCES
|
||||
allow explicit naming of resources with non-optional namespace.
|
||||
|
||||
* The :module:`UseSWIG` module use now standard library name conventions for
|
||||
``CSharp`` language. See policy :policy:`CMP0122`.
|
||||
|
||||
* :module:`UseSWIG` module gained the capability, for
|
||||
:generator:`Xcode` generator, to use `swig` tool to generate implicit
|
||||
dependencies.
|
||||
* The :prop_dir:`IMPORTED_TARGETS` directory property was added to
|
||||
get a list of :ref:`Imported Targets` created in the current
|
||||
directory.
|
||||
|
||||
* The :prop_tgt:`XCODE_EMBED_APP_EXTENSIONS <XCODE_EMBED_<type>>` target property
|
||||
was added to tell the :generator:`Xcode` generator to embed app extensions
|
||||
@@ -233,3 +154,138 @@ Changes made since CMake 3.20 include the following.
|
||||
:prop_tgt:`XCODE_EMBED_APP_EXTENSIONS_CODE_SIGN_ON_COPY <XCODE_EMBED_<type>_CODE_SIGN_ON_COPY>` and
|
||||
:prop_tgt:`XCODE_EMBED_APP_EXTENSIONS_REMOVE_HEADERS_ON_COPY <XCODE_EMBED_<type>_REMOVE_HEADERS_ON_COPY>`
|
||||
properties.
|
||||
|
||||
Modules
|
||||
-------
|
||||
|
||||
* The :module:`FindBLAS` and :module:`FindLAPACK` modules learned to support
|
||||
the serial ``Fujitsu_SSL2`` and parallel ``Fujitsu_SSL2BLAMP`` libraries.
|
||||
|
||||
* The :module:`FindDevIL` module now provides imported targets.
|
||||
|
||||
* The :module:`FindIconv` module now has version support.
|
||||
|
||||
* The :module:`FindIntl` module now has version support.
|
||||
|
||||
* The :module:`FindMPI` module learned to support ``Fujitsu`` and
|
||||
``FujitsuClang`` in both host and cross compiling modes.
|
||||
|
||||
* The :module:`FindMsys` module was added to find MSYS installations.
|
||||
Like :module:`FindCygwin`, it is used automatically by some other
|
||||
find modules to locate UNIX-style tools on Windows.
|
||||
|
||||
* The :module:`FindOpenMP` module learned to support ``Fujitsu`` and
|
||||
``FujitsuClang``.
|
||||
|
||||
* The :module:`FindVulkan` module gained imported targets
|
||||
``Vulkan::Headers`` and ``Vulkan::glslangValidator``.
|
||||
|
||||
* The :module:`UseJava` module command ``add_jar`` gained a ``RESOURCES``
|
||||
option to allow explicit naming of resources with non-optional namespace.
|
||||
|
||||
* The :module:`UseSWIG` module use now standard library naming conventions
|
||||
for the ``CSharp`` language. See policy :policy:`CMP0122`.
|
||||
|
||||
* The :module:`UseSWIG` module now supports using the ``swig`` tool to
|
||||
generate implicit dependencies with the :generator:`Xcode` generator.
|
||||
|
||||
Generator Expressions
|
||||
---------------------
|
||||
|
||||
* A new :genex:`TARGET_RUNTIME_DLLS` generator expression was added.
|
||||
|
||||
CTest
|
||||
-----
|
||||
|
||||
* :manual:`ctest(1)` gained documentation for its ability to capture
|
||||
:ref:`Additional Test Measurements`.
|
||||
|
||||
* :manual:`ctest(1)` learned to recognize files attached to a test at run time.
|
||||
Previously it was only possible to attach files to tests at configure time
|
||||
by using the :prop_test:`ATTACHED_FILES` or
|
||||
:prop_test:`ATTACHED_FILES_ON_FAIL` test properties.
|
||||
See :ref:`Additional Test Measurements` for more information.
|
||||
|
||||
* :manual:`ctest(1)` gained a ``--output-junit`` option to write test results
|
||||
to a JUnit XML file.
|
||||
|
||||
* The :command:`ctest_build` command gained a ``PARALLEL_LEVEL`` option.
|
||||
|
||||
CPack
|
||||
-----
|
||||
|
||||
* The :cpack_gen:`CPack DragNDrop Generator` gained option
|
||||
:variable:`CPACK_DMG_FILESYSTEM` to control the ``.dmg`` filesystem.
|
||||
|
||||
* The :cpack_gen:`CPack IFW Generator` now supports hyphens in names
|
||||
given to :command:`cpack_ifw_configure_component` or
|
||||
:command:`cpack_ifw_configure_component_group` as ``DEPENDS`` or
|
||||
``DEPENDENCIES`` arguments. This requires QtIFW 3.1 or later.
|
||||
|
||||
* The :cpack_gen:`CPack NSIS Generator` gained a new
|
||||
:variable:`CPACK_NSIS_EXECUTABLE` variable to specify the ``makensis``
|
||||
executable to use instead of the default one.
|
||||
|
||||
* The :variable:`CPACK_CUSTOM_INSTALL_VARIABLES` variable was added to set
|
||||
variables in ``cmake_install.cmake`` script invocations made by CPack.
|
||||
|
||||
Deprecated and Removed Features
|
||||
===============================
|
||||
|
||||
* Undocumented :variable:`CMAKE_SYSTEM_NAME` version-stripping behavior has
|
||||
been removed entirely. If it is set by a ``-D`` flag or by a
|
||||
:manual:`toolchain file <cmake-toolchains(7)>`, it is left unaltered,
|
||||
even if it still contains a version number.
|
||||
Similar :variable:`CMAKE_HOST_SYSTEM_NAME` version-stripping behavior,
|
||||
also undocumented, has been moved earlier, before :command:`project` or
|
||||
:command:`enable_language` is called.
|
||||
|
||||
* ``ARMClang`` cpu/arch compile and link flags are no longer added
|
||||
automatically based on the :variable:`CMAKE_SYSTEM_PROCESSOR`
|
||||
variable or the undocumented ``CMAKE_SYSTEM_ARCH`` variable.
|
||||
They must be specified explicitly. See policy :policy:`CMP0123`.
|
||||
|
||||
Other Changes
|
||||
=============
|
||||
|
||||
* The :command:`find_file`, :command:`find_path`, :command:`find_program`,
|
||||
and :command:`find_library` commands handle cache variables in the same way
|
||||
regardless how they are defined. See policy :policy:`CMP0125` for details.
|
||||
|
||||
* The :command:`find_file`, :command:`find_path`, :command:`find_program`,
|
||||
and :command:`find_library` commands gained the option ``NO_CACHE`` to store
|
||||
find result in normal variable.
|
||||
|
||||
* The :command:`foreach` command now isolates loop variables in the loop scope.
|
||||
See policy :policy:`CMP0124` for details.
|
||||
|
||||
* The :command:`list` command's ``GET``, ``INSERT``, ``SUBLIST``, and
|
||||
``REMOVE_AT`` subcommands now error with invalid (i.e., non-integer) values
|
||||
are given as any of their index arguments based on the setting of policy
|
||||
:policy:`CMP0121`.
|
||||
|
||||
* The :command:`set(CACHE)` command no longer removes a normal variable
|
||||
of the same name, if any. See policy :policy:`CMP0126`.
|
||||
|
||||
* :command:`target_link_libraries` calls referencing object libraries
|
||||
via the :genex:`TARGET_OBJECTS` generator expression now place the
|
||||
object files before all libraries on the link line, regardless of
|
||||
their specified order. See documentation on
|
||||
:ref:`Linking Object Libraries via \$\<TARGET_OBJECTS\>` for details.
|
||||
|
||||
* The :ref:`Ninja Generators` now pass source files and include directories
|
||||
to the compiler using absolute paths. This makes diagnostic messages and
|
||||
debug symbols more consistent, and matches the :ref:`Makefile Generators`.
|
||||
|
||||
* The :generator:`NMake Makefiles` generator now encodes the generated
|
||||
makefiles as UTF-8 with a BOM when using ``nmake`` from VS 9 or above.
|
||||
|
||||
* The :ref:`Visual Studio Generators` for VS 2010 and above now place
|
||||
per-source preprocessor definitions after target-wide preprocssor
|
||||
definitions. This makes VS consistent with the :ref:`Ninja Generators`
|
||||
and the :ref:`Makefile Generators`.
|
||||
|
||||
* The precompiled binaries provided on
|
||||
`cmake.org <https://cmake.org/download/>`_ now support
|
||||
``liblzma`` multi-threading. See the :variable:`CPACK_THREADS` and
|
||||
:variable:`CPACK_ARCHIVE_THREADS` variables.
|
||||
|
||||
Reference in New Issue
Block a user