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CMake/Help/command/target_compile_features.rst
Peter Kokot ac67631b02 Check{,C,CXX,Fortran,OBJC,OBJCXX}CompilerFlag: Update documentation
- Added intro code blocks showing how to include these modules.
- Used word "command" instead of "macro".
- Added examples sections.
- Updated and synced descriptions of commands and arguments.
- Added a rubric title for variables that affect the checks.
- Listed CMAKE_TRY_COMPILE_TARGET_TYPE variable in the rubric together
  with CMAKE_REQUIRED_* variables.
- Added link to CheckCompilerFlag module in the target_compile_options()
  docs.
- Used lowercase style for check_fortran_compiler_flag() command.
- Added a link to `$<COMPILE_LANGUAGE:languages>` generator expression
  so it can be linked from other pages (See commit
  2e37a20f02 for more info on the initial
  style used).
- Fixed the GENEX_NOTE inclusion (starting with line after the 2nd line)
  where part of the sentence was rendered in the output.
2025-05-29 00:16:39 +02:00

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target_compile_features
-----------------------
.. versionadded:: 3.1
Add expected compiler features to a target.
.. code-block:: cmake
target_compile_features(<target> <PRIVATE|PUBLIC|INTERFACE> <feature> [...])
Specifies compiler features required when compiling a given target. If the
feature is not listed in the :variable:`CMAKE_C_COMPILE_FEATURES`,
:variable:`CMAKE_CUDA_COMPILE_FEATURES`, or :variable:`CMAKE_CXX_COMPILE_FEATURES`
variables, then an error will be reported by CMake. If the use of the feature requires
an additional compiler flag, such as ``-std=gnu++11``, the flag will be added
automatically.
The ``INTERFACE``, ``PUBLIC`` and ``PRIVATE`` keywords are required to
specify the scope of the features. ``PRIVATE`` and ``PUBLIC`` items will
populate the :prop_tgt:`COMPILE_FEATURES` property of ``<target>``.
``PUBLIC`` and ``INTERFACE`` items will populate the
:prop_tgt:`INTERFACE_COMPILE_FEATURES` property of ``<target>``.
Repeated calls for the same ``<target>`` append items.
.. versionadded:: 3.11
Allow setting ``INTERFACE`` items on :ref:`IMPORTED targets <Imported Targets>`.
The named ``<target>`` must have been created by a command such as
:command:`add_executable` or :command:`add_library` and must not be an
:ref:`ALIAS target <Alias Targets>`.
.. |command_name| replace:: ``target_compile_features``
.. |more_see_also| replace:: See the :manual:`cmake-compile-features(7)`
manual for information on compile features and a list of supported compilers.
.. include:: include/GENEX_NOTE.rst
:start-line: 2
See Also
^^^^^^^^
* :command:`target_compile_definitions`
* :command:`target_compile_options`
* :command:`target_include_directories`
* :command:`target_link_libraries`
* :command:`target_link_directories`
* :command:`target_link_options`
* :command:`target_precompile_headers`
* :command:`target_sources`