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author | Brad King <brad.king@kitware.com> | 2022-06-07 19:05:57 (GMT) |
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committer | Brad King <brad.king@kitware.com> | 2022-06-07 19:05:57 (GMT) |
commit | a3fc4698826172ec187844c4590cef58a310e074 (patch) | |
tree | 776b0ac1fb4f66887b219241c2cfe46b08788e0a /Help/release/3.24.rst | |
parent | 031fa14b7eab1e85882eb5a9e10cb8f7f66c1350 (diff) | |
download | CMake-a3fc4698826172ec187844c4590cef58a310e074.zip CMake-a3fc4698826172ec187844c4590cef58a310e074.tar.gz CMake-a3fc4698826172ec187844c4590cef58a310e074.tar.bz2 |
Help: Consolidate 3.24 release notes
Run the `Utilities/Release/consolidate-relnotes.bash` script to move
notes from `Help/release/dev/*` into `Help/release/3.24.rst`.
Diffstat (limited to 'Help/release/3.24.rst')
-rw-r--r-- | Help/release/3.24.rst | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/Help/release/3.24.rst b/Help/release/3.24.rst new file mode 100644 index 0000000..803d7dc --- /dev/null +++ b/Help/release/3.24.rst @@ -0,0 +1,306 @@ +CMake 3.24 Release Notes +************************ + +.. only:: html + + .. contents:: + +Changes made since CMake 3.23 include the following. + +* The ADSP compiler (SHARC and Blackfin) now supports + both CCES and VDSP++ installations, + with required configuration now done in the compiler module itself + rather than the Generic-ADSP platform module. + +* A dedicated ``ADSP`` platform has been added + to replace the existing ``Generic-ADSP`` implementation. + This features automatic detection of the latest CCES/VDSP++ install + and compiler selection (``cc21k`` vs. ``ccblkfn``) + based off of the :variable:`CMAKE_SYSTEM_PROCESSOR` variable. + +* The :genex:`LINK_LIBRARY` generator expression gained the ability to link + frameworks in various ways when targeting ``Apple`` platforms. The following + new features were added: + + * ``FRAMEWORK`` + * ``NEEDED_FRAMEWORK`` + * ``REEXPORT_FRAMEWORK`` + * ``WEAK_FRAMEWORK`` + +* The :genex:`LINK_LIBRARY` generator expression gained the ability to link + libraries in various ways when targeting ``Apple`` platforms. The following + new features were added: + + * ``NEEDED_LIBRARY`` + * ``REEXPORT_LIBRARY`` + * ``WEAK_LIBRARY`` + +* :command:`cmake_host_system_information` command gains the capability, on + ``Windows`` platform, to query the registry. + +* The :manual:`cmake(1)` ``-E tar`` command gained the ``--touch`` option + to keep the current local timestamp instead of extracting file timestamps + from the archive. + +* :manual:`cmake(1)` gained the ``--fresh`` command-line option to remove + any existing ``CMakeCache.txt`` when configuring a build tree. + +* The :variable:`CMAKE_PROJECT_TOP_LEVEL_INCLUDES` variable was added to allow + injecting custom code at the site of the first :command:`project` call, + after the host and target platform details have been determined. + +* The :manual:`cmake(1)` ``-E`` commands ``cat`` and ``env`` learned to respect + a double dash (``--``) argument that acts as a delimiter indicating the end of + options. Any following arguments are treated as operands/positional arguments, + even if they begin with a dash ``-`` character. + +* The :variable:`CMAKE_COLOR_DIAGNOSTICS` variable was added to control + color diagnostics generated by compilers. This variable also controls + color buildsystem messages with :ref:`Makefile Generators`, replacing + :variable:`CMAKE_COLOR_MAKEFILE`. + + The :envvar:`CMAKE_COLOR_DIAGNOSTICS` environment was added to set + a default value for :variable:`CMAKE_COLOR_DIAGNOSTICS`. + +* The :module:`CPack` module no longer enables the SLA by default in the + :cpack_gen:`CPack DragNDrop Generator`. See policy :policy:`CMP0133` + and the :variable:`CPACK_DMG_SLA_USE_RESOURCE_FILE_LICENSE` variable. + +* The :cpack_gen:`CPack WIX Generator` gained a new variable, + :variable:`CPACK_WIX_ARCHITECTURE`, to specify the installer architecture + in order to support computers running Windows for ARM. + +* CPack now supports the :variable:`CPACK_THREADS` option for ``zstd`` + compression when compiled with libarchive 3.6 or higher. It is + supported by official CMake binaries available on ``cmake.org``. + +* :manual:`ctest(1)` gained a ``--test-output-truncation`` option (and + corresponding :variable:`CTEST_CUSTOM_TEST_OUTPUT_TRUNCATION` variable) to + specify the truncation mode once the maximum test output size has been + reached. Possible values are ``tail`` (default), ``middle`` or ``head``. +* :manual:`cmake-presets(7)` files now support schema version ``5``. +* :manual:`cmake-presets(7)` files gained support for specifying a + ``testOutputTruncation`` field in test presets, which specifies the truncation + mode once the maximum test output size has been reached. + +* The :variable:`CMAKE_CUDA_ARCHITECTURES` variable and associated + :prop_tgt:`CUDA_ARCHITECTURES` target property now support the + special ``native`` value to compile for the architectures(s) + of the host's GPU(s). + +* The :command:`cmake_language` command gained a new + ``SET_DEPENDENCY_PROVIDER`` sub-command. When a dependency provider is set, + calls to :command:`find_package` and :command:`FetchContent_MakeAvailable` + can be redirected through a custom command, which can choose to fulfill the + request directly, modify how the request is processed, or leave it to be + fulfilled by the built-in implementation. See :ref:`dependency_providers`. + +* The :command:`ExternalProject_Add` command gained a new + ``DOWNLOAD_EXTRACT_TIMESTAMP`` option for controlling whether the timestamps + of extracted contents are set to match those in the archive when the ``URL`` + download method is used. A new policy :policy:`CMP0135` was added to control + the default behavior when the new option is not used. + +* Integration has been added between the :module:`FetchContent` module and the + :command:`find_package` command, enabling the following new capabilities: + + * :command:`FetchContent_MakeAvailable` can now try to satisfy a dependency + by calling :command:`find_package` first. A new + :variable:`FETCHCONTENT_TRY_FIND_PACKAGE_MODE` variable controls whether + this is done by default for all dependencies, is opt-in per dependency, + or is disabled entirely. + + * :command:`find_package` can be re-routed to call + :command:`FetchContent_MakeAvailable` instead. A new read-only + :variable:`CMAKE_FIND_PACKAGE_REDIRECTS_DIR` variable points to a + directory where config package files can be located to facilitate these + re-routed calls. + +* Add the fields ``RANGE_START`` and ``RANGE_END`` to ``file(DOWNLOAD)``. + Those fields provide a convenient way to specify the range, passed to the + libcurl, which can be useful for downloading parts of big binary files. + +* The :command:`find_file`, :command:`find_library`, :command:`find_path`, + :command:`find_package`, and :command:`find_program` commands have gained + the `NO_CMAKE_INSTALL_PREFIX` option to control searching + `CMAKE_INSTALL_PREFIX`. + +* Adds support for :variable:`CMAKE_FIND_USE_INSTALL_PREFIX` to toggle + behavior of the :command:`find_file`, :command:`find_library`, :command:`find_path`, + :command:`find_package`, and :command:`find_program` commands new + `NO_CMAKE_INSTALL_PREFIX` option. + +* The :module:`FindGLUT` module no longer provides the undocumented + result variables ``GLUT_LIBRARY`` and ``GLUT_INCLUDE_PATH``. + +* :command:`find_file`, :command:`find_path`, :command:`find_library`, + :command:`find_program`, and :command:`find_package` commands gain the + capability to specify which registry views must be queried. + +* The :module:`FindJNI` module now provides imported targets. + +* The :module:`FindMatlab` module :command:`matlab_add_mex` function + gained a ``NO_IMPLICIT_LINK_TO_MATLAB_LIBRARIES`` option to disable + automatic linking of MATLAB libraries. + +* The :command:`find_package` command gained a `GLOBAL` option that + allows for the promotion of imported targets to global scope fur the + duration of the :command:`find_package` call. + +* Adds support for :variable:`CMAKE_FIND_PACKAGE_TARGETS_GLOBAL` to + toggle behavior of the :command:`find_package` command's new GLOBAL option + +* The :module:`FindZLIB` learned a new ``ZLIB_USE_STATIC_LIBS`` variable to + search only for static libraries. + +* The :genex:`LINK_GROUP` generator expression was added to manage the grouping + of libraries during the link step. The variables + :variable:`CMAKE_<LANG>_LINK_GROUP_USING_<FEATURE>` and + :variable:`CMAKE_LINK_GROUP_USING_<FEATURE>` are used to define features + usable by the :genex:`LINK_GROUP` generator expression. + +* The :genex:`LINK_LIBRARY` generator expression was added to manage how + libraries are specified during the link step. The variables + :variable:`CMAKE_<LANG>_LINK_LIBRARY_USING_<FEATURE>` and + :variable:`CMAKE_LINK_LIBRARY_USING_<FEATURE>` are used to define features + usable by the :genex:`LINK_LIBRARY` generator expression. Moreover, the + :prop_tgt:`LINK_LIBRARY_OVERRIDE` and + :prop_tgt:`LINK_LIBRARY_OVERRIDE_<LIBRARY>` target properties are available + to resolve incompatible features. + +* The :genex:`PATH_EQUAL` generator expression was added to manage path + comparisons. + +* The :genex:`PATH` generator expression was added to manage paths. + +* A new predefined target `RERUN_CMAKE` is added for + :generator:`Green Hills MULTI` generator to easily rerun + CMake if any CMake files were updated. + +* The :command:`if` command gains the capability to compare paths by using the + ``PATH_EQUAL`` operator. See policy :policy:`CMP0139`. + +* The :prop_tgt:`INTERFACE_LINK_LIBRARIES_DIRECT` and + :prop_tgt:`INTERFACE_LINK_LIBRARIES_DIRECT_EXCLUDE` target properties + were added to express usage requirements affecting a consumer's + direct link dependencies. + +* The :prop_tgt:`LINK_LIBRARIES` target property now supports + the :genex:`$<LINK_ONLY:...>` generator expression. + See policy :policy:`CMP0131`. + +* The :genex:`LINK_LIBRARY` generator expression gained the feature + ``WHOLE_ARCHIVE`` to force load of all members in a static library. This + feature is supported on the following target platforms: + + * all ``Apple`` variants + * ``Linux`` + * all ``BSD`` variants + * ``SunOS`` + * ``Windows`` + * ``CYGWIN`` + * ``MSYS`` + +* LLVM's `flang`_ Fortran compiler is now supported, with compiler id ``LLVMFlang``. + +.. _`flang`: https://github.com/llvm/llvm-project/tree/main/flang + +* The :generator:`MSYS Makefiles` and :generator:`MinGW Makefiles` + generators, when a compiler is not explicitly specified, now select + the first compiler (of any name) found in directories listed by the + ``PATH`` environment variable. + +* With MSVC compilers, debug configurations now use ``-ZI`` by default + instead of ``/Zi``. See policy :policy:`CMP0138`. + +* The :module:`FindPkgConfig` module learned to find static libraries + in addition to the default search for shared libraries. + :command:`pkg_check_modules` gained a ``STATIC_TARGET`` option + to make the imported target reference static libraries. + +* :manual:`cmake-presets(7)` files now support a ``${pathListSep}`` macro, + which expands to ``:`` or ``;`` based on the platform. + +* The precompiled macOS binaries provided on + `cmake.org <https://cmake.org/download/>`_ no longer attach a SLA + to the ``.dmg`` packages. This was removed because macOS 12 deprecated + the tools used to attach ``.dmg`` resources. + +* The deprecated ``PackageMaker`` :manual:`cpack(1)` generator has + been removed. + +* The :genex:`LINK_GROUP` generator expression gained the ability to manage, on + ``Linux`` and ``BSD`` systems, circular references between static libraries + by using ``RESCAN`` feature. + +* CMake no longer sets environment variables like :envvar:`CC`, :envvar:`CXX`, + etc. when enabling the corresponding language during the first CMake run in + a build directory. See policy :policy:`CMP0132`. + +* Added the new :genex:`TARGET_BUNDLE_DIR_NAME` generator expression + which evaluates to the name of the bundle directory for a given bundle + target. + +* Add the field ``global_frame`` to the json-v1 trace format. This + frame tracks the depth of the call stack globally across all + ``CMakeLists.txt`` files involved in the trace, and will let tools + reconstruct stack traces that span from the top-level ``CMakeLists.txt`` + file of the project. + +* Add the field ``line_end`` to the json-v1 trace format. This + field tells you the line in file ``file`` at which the function + call ends. Tools can use this new field, together with ``line`` + and ``file``, to map traces to lines of CMake source code. + +* The :command:`try_compile` command + :ref:`whole-project <Try Compiling Whole Projects>` signature + now propagates platform variables. See policy :policy:`CMP0137`. + +* The :variable:`CMAKE_TRY_COMPILE_NO_PLATFORM_VARIABLES` variable + was added to tell the :command:`try_compile` command not to + pass any platform variables to the test project. + +* A new :prop_tgt:`VERIFY_INTERFACE_HEADER_SETS` target property was added, + which can be used to verify that all headers in header sets can be used on + their own. +* A new :variable:`CMAKE_VERIFY_INTERFACE_HEADER_SETS` variable was added, + which is used to initialize the :prop_tgt:`VERIFY_INTERFACE_HEADER_SETS` + target property. +* A new :prop_tgt:`INTERFACE_HEADER_SETS_TO_VERIFY` target property was added, + which can be used to specify which header sets should be verified by + :prop_tgt:`VERIFY_INTERFACE_HEADER_SETS`. + +* The :prop_tgt:`VS_NO_COMPILE_BATCHING` target property was added to + tell :ref:`Visual Studio Generators` whether to disable compiler parallelism + and call the compiler with one c/cpp file at a time. + +* The :prop_tgt:`VS_DOTNET_STARTUP_OBJECT` target property was added to + tell :ref:`Visual Studio Generators` which startup class shall be used + when the program or project is executed. This is necessary when more + than one ``static void Main(string[])`` function signature is available + in a managed .NET project. + +* :ref:`Visual Studio Generators` now support ``SYSTEM`` headers. + +* The :variable:`CMAKE_WATCOM_RUNTIME_LIBRARY` variable and + :prop_tgt:`WATCOM_RUNTIME_LIBRARY` target property were introduced to + select the runtime library used by compilers targeting the Watcom ABI. + See policy :policy:`CMP0136`. + +* Added the Target Property :prop_tgt:`COMPILE_WARNING_AS_ERROR` and the + Variable :variable:`CMAKE_COMPILE_WARNING_AS_ERROR` which initializes the + Target Property. If :prop_tgt:`COMPILE_WARNING_AS_ERROR` is true, it expands + to a different flag depending on the compiler such that any warnings at + compile will be treated as errors. + +* :manual:`cmake(1)` gained the command-line option + ``--compile-no-warning-as-error`` which causes the values of + the :prop_tgt:`COMPILE_WARNING_AS_ERROR` target property and + :variable:`CMAKE_COMPILE_WARNING_AS_ERROR` variable to be ignored. + +* The :command:`while` command now diagnoses errors during condition + evaluation. See policy :policy:`CMP0130`. + +* The Xcode generator learned to handle global and target specific + ``xcconfig`` files with the :variable:`CMAKE_XCODE_XCCONFIG` + variable and :prop_tgt:`XCODE_XCCONFIG` target property. |