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Help: Organize and revise 3.14 release notes
Add section headers similar to the 3.13 release notes and move each individual bullet into an appropriate section. Revise a few bullets.
This commit is contained in:
Brad King
parent
0d1a9282c4
commit
aa9161fd57
@ -7,23 +7,85 @@ CMake 3.14 Release Notes
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Changes made since CMake 3.13 include the following.
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* The :prop_tgt:`AUTOMOC_EXECUTABLE`, :prop_tgt:`AUTORCC_EXECUTABLE` and
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:prop_tgt:`AUTOUIC_EXECUTABLE` target properties all take a path to an
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executable and force automoc/autorcc/autouic to use this executable.
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New Features
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============
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Setting these will also prevent the configure time testing for these
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executables. This is mainly useful when you build these tools yourself.
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Generators
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----------
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* The new variables :variable:`CMAKE_GLOBAL_AUTOGEN_TARGET`,
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:variable:`CMAKE_GLOBAL_AUTOGEN_TARGET_NAME`,
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:variable:`CMAKE_GLOBAL_AUTORCC_TARGET` and
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:variable:`CMAKE_GLOBAL_AUTORCC_TARGET_NAME` control the generation
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of global ``autogen`` and ``autorcc`` targets.
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* The :generator:`Visual Studio 16 2019` generator was added. This is
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experimental and based on "Visual Studio 2019 Preview 2" because this
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version of VS has not been released.
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* A new :variable:`CMAKE_AUTOGEN_ORIGIN_DEPENDS` variable and
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:prop_tgt:`AUTOGEN_ORIGIN_DEPENDS` target property may be set to enable or
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disable forwarding of the origin target dependencies to the corresponding
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``_autogen`` target.
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The VS 2019 generator differs from generators for earlier versions
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in that it does not provide variants that specify the target platform
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in the generator name. Instead :variable:`CMAKE_GENERATOR_PLATFORM`
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must be used, e.g. through the ``-A`` command-line option. Furthermore,
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the default target platform (architecture) is now based on the *host*
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platform. The VS host toolset selection is now based on the host
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architecture as well.
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File-Based API
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--------------
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* A file-based api for clients to get semantic buildsystem information
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has been added. See the :manual:`cmake-file-api(7)` manual.
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This is intended to replace the :manual:`cmake-server(7)` mode for IDEs.
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Platforms
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---------
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* CMake now supports :ref:`Cross Compiling for iOS, tvOS, or watchOS`
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using simple toolchain files.
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Command-Line
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------------
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* The :manual:`cmake(1)` :ref:`Build Tool Mode <Build Tool Mode>`
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(``cmake --build``) gained ``--verbose`` and ``-v`` options to
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specify verbose build output. Some generators such as Xcode don't
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support this option currently.
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* The :manual:`cmake(1)` ``-E compare_files`` command learned a new
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``--ignore-eol`` option to specify that end-of-line differences
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(e.g. LF vs CRLF) should be ignored when comparing files.
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* The :manual:`cmake-gui(1)` dialog gained new ``-S`` and ``-B`` arguments to
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explicitly specify source and build directories.
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Commands
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--------
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* The :command:`file` command learned a new sub-command, ``READ_SYMLINK``,
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which can be used to determine the path that a symlink points to.
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* The :command:`file` command gained a ``SIZE`` mode to get the size
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of a file on disk.
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* The :command:`find_package` command learned to optionally resolve
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symbolic links in the paths to package configuration files.
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See the :variable:`CMAKE_FIND_PACKAGE_RESOLVE_SYMLINKS` variable.
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* The :command:`get_filename_component` command gained new
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``LAST_EXT`` and ``NAME_WLE`` variants to work with the
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extension after the last ``.`` in the name.
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* The :command:`if` command gained support for checking if cache variables
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are defined with the ``DEFINED CACHE{VAR}`` syntax.
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* The :command:`install(CODE)` and :command:`install(SCRIPT)` commands
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learned to support generator expressions. See policy :policy:`CMP0087`.
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* The :command:`install(TARGETS)` command learned how to install to an
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appropriate default directory for a given target type, based on
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variables from the :module:`GNUInstallDirs` module and built-in defaults,
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in lieu of a ``DESTINATION`` argument.
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* The :command:`install(FILES)` and :command:`install(DIRECTORY)` commands
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learned a new set of parameters for installing files as a file type,
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setting the destination based on the appropriate variables from
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:module:`GNUInstallDirs` and built-in defaults, in lieu of a
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``DESTINATION`` argument.
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* The :command:`list` operations ``REMOVE_ITEM``, ``REMOVE_DUPLICATES``,
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``SORT``, ``REVERSE``, and ``FILTER`` all now accept a non-existent variable
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@ -32,78 +94,47 @@ Changes made since CMake 3.13 include the following.
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* The :command:`list` operation ``REMOVE_AT`` now indicates that the given
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indices are invalid for a non-existent variable or empty list.
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* The :module:`FindBISON` module's ``BISON_TARGET`` command now runs ``bison``
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with :variable:`CMAKE_CURRENT_BINARY_DIR` as the working directory.
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See policy :policy:`CMP0088`.
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* The :command:`try_compile` and :command:`try_run` commands gained a new
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``LINK_OPTIONS`` option.
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* A :module:`CheckFortranSourceRuns` module was added to provide a
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:command:`check_fortran_source_runs` command to check if a Fortran
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source snippet compiles and runs.
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Variables
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---------
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* The family of modules to check capabilities (like
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:module:`CheckCSourceCompiles`) gain capability to manage ``LINK_OPTIONS``.
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* A :variable:`CMAKE_BUILD_RPATH_USE_ORIGIN` variable and corresponding
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:prop_tgt:`BUILD_RPATH_USE_ORIGIN` target property were added to
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enable use of relative runtime paths (RPATHs). This helps achieving
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relocatable and reproducible builds that are invariant of the build
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directory.
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* The :manual:`cmake(1)` :ref:`Build Tool Mode` (``cmake --build``) gained
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``--verbose`` and ``-v`` options to specify verbose build output. Some
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generators such as Xcode don't support this option currently.
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Properties
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----------
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* The :manual:`cmake-gui(1)` dialog gained new ``-S`` and ``-B`` arguments to
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explicitly specify source and build directories.
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* A new global property, :prop_gbl:`CMAKE_ROLE`, was added to allow scripts to
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determine whether they're running in project mode, script mode, find-package
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mode, CTest, or CPack.
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* The :manual:`cmake(1)` ``-E compare_files`` command learned a new
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``--ignore-eol`` option to specify that end-of-line differences (e.g. LF vs
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CRLF) should be ignored when comparing files.
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* The :module:`CPack` module no longer defaults to the ``paxr`` value in the
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:variable:`CPACK_DEBIAN_ARCHIVE_TYPE` variable, because ``dpkg`` has
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never supported the PAX tar format. The ``paxr`` value will be mapped
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to ``gnutar`` and a deprecation message emitted.
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* When using cppcheck via the :variable:`CMAKE_<LANG>_CPPCHECK` variable
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or :prop_tgt:`<LANG>_CPPCHECK` property, the build will now fail if
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``cppcheck`` returns non-zero as configured by its command-line options.
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* The :command:`ctest_submit` command learned a new ``Done`` part that can be used
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to inform CDash that a build is complete and that no more parts will be uploaded.
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* :manual:`ctest(1)` gained a ``--show-only=json-v1`` option to show the
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list of tests in a machine-readable JSON format.
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See the :ref:`Show as JSON Object Model` section of the manual.
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* CTest learned to accept the dashboard server submission URL from a single
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variable. See the ``SubmitURL`` setting in :manual:`ctest(1)`,
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the :variable:`CTEST_SUBMIT_URL` variable, and the ``SUBMIT_URL``
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argument of the :command:`ctest_submit` command.
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* A :prop_gbl:`CMAKE_ROLE` global property was added to allow scripts to
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determine whether they're running in project mode, script mode,
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find-package mode, CTest, or CPack.
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* The :prop_tgt:`CUDA_RESOLVE_DEVICE_SYMBOLS` target property is now supported
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on shared library, module library, and executable targets. Previously it was
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only honored on static libraries.
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* The :module:`FindQt` module is no longer used by the :command:`find_package`
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command as a find module. This allows the Qt Project upstream to optionally
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provide its own ``QtConfig.cmake`` package configuration file and have
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applications use it via ``find_package(Qt)`` rather than
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``find_package(Qt CONFIG)``. See policy :policy:`CMP0084`.
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* An explicit deprecation diagnostic was added for policies ``CMP0064``
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and ``CMP0065`` (``CMP0063`` and below were already deprecated).
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The :manual:`cmake-policies(7)` manual explains that the OLD behaviors
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of all policies are deprecated and that projects should port to the
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NEW behaviors.
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* The :generator:`Xcode` generator deprecated support for Xcode
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versions prior to Xcode 5. Support for those will be dropped in a
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future version of CMake.
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* A target's :prop_tgt:`EXCLUDE_FROM_ALL` property can now override the
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setting of its directory. A target will now be built as part of "all"
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* The :prop_tgt:`EXCLUDE_FROM_ALL` target property was created to override
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the setting of its directory. A target will now be built as part of "all"
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if its :prop_tgt:`EXCLUDE_FROM_ALL` property is set to ``OFF``, even if its
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containing directory is marked as :prop_dir:`EXCLUDE_FROM_ALL`.
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* :prop_tgt:`INTERFACE_POSITION_INDEPENDENT_CODE` target property gains the
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support of :manual:`generator expressions <cmake-generator-expressions(7)>`.
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Modules
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-------
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* The family of modules to check capabilities (like
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:module:`CheckCSourceCompiles`) gain capability to manage ``LINK_OPTIONS``.
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* A :module:`CheckFortranSourceRuns` module was added to provide a
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:command:`check_fortran_source_runs` command to check if a Fortran
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source snippet compiles and runs.
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* The :module:`ExternalProject` module :command:`ExternalProject_Add` command
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gained ``LOG_DIR`` and ``LOG_MERGED_STDOUTERR`` options to control logging.
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@ -115,43 +146,34 @@ Changes made since CMake 3.13 include the following.
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The ``BUILD_COMMAND`` is run in the given ``SOURCE_SUBDIR`` of the
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``SOURCE_DIR``.
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* The FetchContent module gained a new :command:`FetchContent_MakeAvailable`
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command. This new command accepts a list of dependency names, which it then
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iterates over, populating and adding each one to the main build using the
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canonical pattern. This significantly reduces the amount of boilerplate
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needed in the project.
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* The :module:`FetchContent` module gained a new
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:command:`FetchContent_MakeAvailable` command. It accepts a list of
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dependency names, which it then iterates over, populating and adding
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each one to the main build using the canonical pattern. This
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significantly reduces the amount of boilerplate needed in a project.
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* A file-based api for clients to get semantic buildsystem information
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has been added. See the :manual:`cmake-file-api(7)` manual.
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* The :command:`file` command learned a new sub-command, ``READ_SYMLINK``,
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which can be used to determine the path that a symlink points to.
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* The :command:`file` command gained a ``SIZE`` mode to get the size
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of a file on disk.
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* The :module:`FindBISON` module's ``BISON_TARGET`` command now runs ``bison``
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with :variable:`CMAKE_CURRENT_BINARY_DIR` as the working directory.
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See policy :policy:`CMP0088`.
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* The :module:`FindCURL` module gained support for requesting
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protocols as package components.
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* The :module:`FindFontconfig` module was added to find `fontconfig`_.
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.. _`fontconfig`: https://www.freedesktop.org/wiki/Software/fontconfig/
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* The :module:`FindGDAL` module now provides an imported target.
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* The :module:`FindGDAL` module now provides imported targets.
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* The :module:`FindGIF` module now provides imported targets.
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* The :module:`FindGit` module now provides an ``IMPORTED`` target for the Git
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executable.
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* The :module:`FindGit` module now provides an imported target for the
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Git executable.
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* The :module:`FindIce` module learned to find
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``slice2confluence`` and ``slice2matlab``.
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* The :module:`FindIce` module learned to find ``slice2confluence``
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and ``slice2matlab``.
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* The :module:`FindLibinput` module was added to find `libinput`_.
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.. _`libinput`: https://www.freedesktop.org/wiki/Software/libinput/
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* The :module:`FindLibLZMA` module now provides an imported target.
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* The :module:`FindLibLZMA` module now provides imported targets.
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* The :module:`FindMatlab` module gained new options ``R2017b`` and
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``R2018a`` to specify the MEX API version to use; these options
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@ -160,11 +182,7 @@ Changes made since CMake 3.13 include the following.
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* A :module:`FindOctave` module was added to find GNU octave.
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* The :command:`find_package` command learned to optionally resolve
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symbolic links in the paths to package configuration files.
|
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See the :variable:`CMAKE_FIND_PACKAGE_RESOLVE_SYMLINKS` variable.
|
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* The :module:`FindPostgreSQL` module now provides an imported target.
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* The :module:`FindPostgreSQL` module now provides imported targets.
|
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* The :module:`FindPython`, :module:`FindPython2`, and :module:`FindPython3`
|
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modules gained support for ``NumPy`` component.
|
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@ -203,62 +221,83 @@ Changes made since CMake 3.13 include the following.
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- ``X11_Xinput_FOUND`` (use ``X11_Xi_FOUND``)
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* The :module:`FindX11` now provides ``X11_Xext_INCLUDE_PATH``.
|
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* The :module:`FindX11` now provides imported targets.
|
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* The :module:`UseSWIG` module learned to pass ``-module <module_name>`` to
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the ``SWIG`` compiler if the file property ``SWIG_MODULE_NAME`` is defined.
|
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See policy :policy:`CMP0086`.
|
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* The :module:`UseSWIG` module gained an option to specify
|
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``SWIG`` source file extensions.
|
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.. _`fontconfig`: https://www.freedesktop.org/wiki/Software/fontconfig/
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.. _`libinput`: https://www.freedesktop.org/wiki/Software/libinput/
|
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Generator Expressions
|
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---------------------
|
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|
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* The ``$<Fortran_COMPILER_ID:...>`` and ``$<Fortran_COMPILER_VERSION:...>``
|
||||
:manual:`generator expressions <cmake-generator-expressions(7)>` were added.
|
||||
|
||||
* The $<IN_LIST:...> generator expression now correctly handles an empty
|
||||
argument. See :policy:`CMP0085` for details.
|
||||
* The ``$<IN_LIST:...>`` generator expression now correctly handles an
|
||||
empty argument. See :policy:`CMP0085` for details.
|
||||
|
||||
* The :command:`get_filename_component` command gained new
|
||||
``LAST_EXT`` and ``NAME_WLE`` variants to work with the
|
||||
extension after the last ``.`` in the name.
|
||||
Autogen
|
||||
-------
|
||||
|
||||
* The :command:`if` command gained support for checking if cache variables
|
||||
are defined with the ``DEFINED CACHE{VAR}`` syntax.
|
||||
* The :prop_tgt:`AUTOMOC_EXECUTABLE`, :prop_tgt:`AUTORCC_EXECUTABLE`, and
|
||||
:prop_tgt:`AUTOUIC_EXECUTABLE` target properties were added. They all
|
||||
take a path to an executable and force automoc/autorcc/autouic to use
|
||||
this executable.
|
||||
|
||||
* The :command:`install(CODE)` and :command:`install(SCRIPT)` commands
|
||||
learned to support generator expressions. See policy :policy:`CMP0087`.
|
||||
Setting these will also prevent the configure time testing for these
|
||||
executables. This is mainly useful when you build these tools yourself.
|
||||
|
||||
* The ``TARGETS`` variant of the :command:`install` command learned how to
|
||||
install to an appropriate default directory for a given target type, based
|
||||
on variables from the :module:`GNUInstallDirs` module and built-in defaults,
|
||||
in lieu of a ``DESTINATION`` argument.
|
||||
* The ``FILES`` and ``DIRECTORY`` variants of the :command:`install` command
|
||||
learned a new set of parameters for installing files as a file type, setting
|
||||
the destination based on the appropriate variables from
|
||||
:module:`GNUInstallDirs` and built-in defaults, in lieu of a ``DESTINATION``
|
||||
argument.
|
||||
* The new variables :variable:`CMAKE_GLOBAL_AUTOGEN_TARGET`,
|
||||
:variable:`CMAKE_GLOBAL_AUTOGEN_TARGET_NAME`,
|
||||
:variable:`CMAKE_GLOBAL_AUTORCC_TARGET` and
|
||||
:variable:`CMAKE_GLOBAL_AUTORCC_TARGET_NAME` control the generation
|
||||
of global ``autogen`` and ``autorcc`` targets.
|
||||
|
||||
* Install rules under :command:`add_subdirectory` now interleave with those in
|
||||
the calling directory. See policy :policy:`CMP0082` for details.
|
||||
* A new :variable:`CMAKE_AUTOGEN_ORIGIN_DEPENDS` variable and
|
||||
:prop_tgt:`AUTOGEN_ORIGIN_DEPENDS` target property may be set to enable or
|
||||
disable forwarding of the origin target dependencies to the corresponding
|
||||
``_autogen`` target.
|
||||
|
||||
* :prop_tgt:`INTERFACE_POSITION_INDEPENDENT_CODE` target property gains the
|
||||
support of :manual:`generator expressions <cmake-generator-expressions(7)>`.
|
||||
CTest
|
||||
-----
|
||||
|
||||
* CMake now supports :ref:`Cross Compiling for iOS, tvOS, or watchOS`
|
||||
using simple toolchain files.
|
||||
* :manual:`ctest(1)` gained a ``--show-only=json-v1`` option to show the
|
||||
list of tests in a machine-readable JSON format.
|
||||
See the :ref:`Show as JSON Object Model` section of the manual.
|
||||
|
||||
* Required link options to manage Position Independent Executable are now
|
||||
added when :prop_tgt:`POSITION_INDEPENDENT_CODE` is set. The project is
|
||||
responsible for using the :module:`CheckPIESupported` module to check for
|
||||
``PIE`` support to ensure that the :prop_tgt:`POSITION_INDEPENDENT_CODE`
|
||||
target property will be honored at link time for executables. This behavior
|
||||
is controlled by policy :policy:`CMP0083`.
|
||||
* The :command:`ctest_submit` command learned a new ``Done`` part that can be used
|
||||
to inform CDash that a build is complete and that no more parts will be uploaded.
|
||||
|
||||
* CMake now imposes a maximum recursion limit to prevent a stack overflow on
|
||||
scripts that recurse infinitely. The limit can be adjusted at runtime with
|
||||
:variable:`CMAKE_MAXIMUM_RECURSION_DEPTH`.
|
||||
* CTest learned to accept the dashboard server submission URL from a single
|
||||
variable. See the ``SubmitURL`` setting in :manual:`ctest(1)`,
|
||||
the :variable:`CTEST_SUBMIT_URL` variable, and the ``SUBMIT_URL``
|
||||
argument of the :command:`ctest_submit` command.
|
||||
|
||||
* Object library linking has been fixed to propagate transitive link
|
||||
dependencies of object libraries to consuming targets.
|
||||
Deprecated and Removed Features
|
||||
===============================
|
||||
|
||||
* A :variable:`CMAKE_BUILD_RPATH_USE_ORIGIN` variable and corresponding
|
||||
:prop_tgt:`BUILD_RPATH_USE_ORIGIN` target property were added to
|
||||
enable use of relative runtime paths (RPATHs). This helps achieving
|
||||
relocatable and reproducible builds that are invariant of the build
|
||||
directory.
|
||||
* An explicit deprecation diagnostic was added for policies ``CMP0064``
|
||||
and ``CMP0065`` (``CMP0063`` and below were already deprecated).
|
||||
The :manual:`cmake-policies(7)` manual explains that the OLD behaviors
|
||||
of all policies are deprecated and that projects should port to the
|
||||
NEW behaviors.
|
||||
|
||||
* The :generator:`Xcode` generator deprecated support for Xcode
|
||||
versions prior to Xcode 5. Support for those will be dropped in a
|
||||
future version of CMake.
|
||||
|
||||
* The :module:`FindQt` module is no longer used by the :command:`find_package`
|
||||
command as a find module. This allows the Qt Project upstream to optionally
|
||||
provide its own ``QtConfig.cmake`` package configuration file and have
|
||||
applications use it via ``find_package(Qt)`` rather than
|
||||
``find_package(Qt CONFIG)``. See policy :policy:`CMP0084`.
|
||||
|
||||
* Support for running CMake on Windows XP and Windows Vista has been dropped.
|
||||
The precompiled Windows binaries provided on ``cmake.org`` now require
|
||||
@ -268,28 +307,35 @@ Changes made since CMake 3.13 include the following.
|
||||
``xmlrpc``. CDash is the only maintained testing dashboard for CTest,
|
||||
and it only supports submissions over ``http`` and ``https``.
|
||||
|
||||
* The commands :command:`try_compile` and :command:`try_run` gain new
|
||||
option ``LINK_OPTIONS``.
|
||||
Other Changes
|
||||
=============
|
||||
|
||||
* The :module:`UseSWIG` module passes option ``-module <module_name>`` to
|
||||
``SWIG`` compiler if the file property ``SWIG_MODULE_NAME`` is defined.
|
||||
See policy :policy:`CMP0086`.
|
||||
* Object library linking has been fixed to propagate transitive link
|
||||
dependencies of object libraries to consuming targets.
|
||||
|
||||
* The :module:`UseSWIG` module gains capability to specify
|
||||
``SWIG`` source file extensions.
|
||||
* Install rules under :command:`add_subdirectory` now interleave with those in
|
||||
the calling directory. See policy :policy:`CMP0082` for details.
|
||||
|
||||
* The :generator:`Visual Studio 16 2019` generator was added. This is
|
||||
experimental and based on "Visual Studio 2019 Preview 2" because this
|
||||
version of VS has not been released.
|
||||
* CMake now imposes a maximum recursion limit to prevent a stack overflow on
|
||||
scripts that recurse infinitely. The limit can be adjusted at runtime with
|
||||
:variable:`CMAKE_MAXIMUM_RECURSION_DEPTH`.
|
||||
|
||||
The VS 2019 generator differs from generators for earlier versions
|
||||
in that it does not provide variants that specify the target platform
|
||||
in the generator name. Instead :variable:`CMAKE_GENERATOR_PLATFORM`
|
||||
must be used, e.g. through the ``-A`` command-line option. Furthermore,
|
||||
the default target platform (architecture) is now based on the *host*
|
||||
platform. The VS host toolset selection is now based on the host
|
||||
architecture as well.
|
||||
* When using cppcheck via the :variable:`CMAKE_<LANG>_CPPCHECK` variable
|
||||
or :prop_tgt:`<LANG>_CPPCHECK` property, the build will now fail if
|
||||
``cppcheck`` returns non-zero as configured by its command-line options.
|
||||
|
||||
* Required link options to manage Position Independent Executable are now
|
||||
added when :prop_tgt:`POSITION_INDEPENDENT_CODE` is set. The project is
|
||||
responsible for using the :module:`CheckPIESupported` module to check for
|
||||
``PIE`` support to ensure that the :prop_tgt:`POSITION_INDEPENDENT_CODE`
|
||||
target property will be honored at link time for executables. This behavior
|
||||
is controlled by policy :policy:`CMP0083`.
|
||||
|
||||
* :ref:`Visual Studio Generators` for VS 2010 and above learned
|
||||
to support the ``VS_DEBUGGER_*`` properties on targets created
|
||||
via :command:`add_custom_target`.
|
||||
|
||||
* The :module:`CPack` module no longer defaults to the ``paxr`` value in the
|
||||
:variable:`CPACK_DEBIAN_ARCHIVE_TYPE` variable, because ``dpkg`` has
|
||||
never supported the PAX tar format. The ``paxr`` value will be mapped
|
||||
to ``gnutar`` and a deprecation message emitted.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user