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https://gitlab.kitware.com/cmake/cmake.git
synced 2026-09-25 04:09:36 +03:00
Arha Gatram
79e421b053
Now that set_property and set_target_properties support ALIAS targets, we need to extend support to all the target_* type commands that modify target properties. Relaxes target_compile_definitions, target_compile_features, target_compile_options, target_include_directories, target_link_directories, target_link_libraries, target_link_options, target_precompile_headers, and target_sources to now accept ALIAS targets. These commands set properties on the target which the alias references.
65 lines
2.3 KiB
ReStructuredText
65 lines
2.3 KiB
ReStructuredText
target_compile_definitions
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--------------------------
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Add compile definitions to a target.
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.. code-block:: cmake
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target_compile_definitions(<target>
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<INTERFACE|PUBLIC|PRIVATE> <definition>...
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[<INTERFACE|PUBLIC|PRIVATE> <definition>... ...])
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Specifies compile definitions to use when compiling a given ``<target>``. The
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named ``<target>`` must have been created by a command such as
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:command:`add_executable` or :command:`add_library`.
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.. versionchanged:: 4.5
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If ``<target>`` is an :ref:`Alias Target <Alias Targets>`, the command
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operates on the target which the alias references.
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The ``INTERFACE``, ``PUBLIC`` and ``PRIVATE`` keywords are required to
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specify the :ref:`scope <Target Command Scope>` of the following arguments.
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``PRIVATE`` and ``PUBLIC`` items will populate the :prop_tgt:`COMPILE_DEFINITIONS`
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property of ``<target>``. ``PUBLIC`` and ``INTERFACE`` items will populate the
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:prop_tgt:`INTERFACE_COMPILE_DEFINITIONS` property of ``<target>``.
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The following arguments specify compile definitions. Repeated calls for the
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same ``<target>`` append items in the order called.
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.. versionadded:: 3.11
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Allow setting ``INTERFACE`` items on :ref:`IMPORTED targets <Imported Targets>`.
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.. |command_name| replace:: ``target_compile_definitions``
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.. include:: include/GENEX_NOTE.rst
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Any leading ``-D`` on an item will be removed. Empty items are ignored.
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For example, the following are all equivalent:
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.. code-block:: cmake
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target_compile_definitions(foo PUBLIC FOO)
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target_compile_definitions(foo PUBLIC -DFOO) # -D removed
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target_compile_definitions(foo PUBLIC "" FOO) # "" ignored
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target_compile_definitions(foo PUBLIC -D FOO) # -D becomes "", then ignored
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Definitions may optionally have values:
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.. code-block:: cmake
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target_compile_definitions(foo PUBLIC FOO=1)
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Note that many compilers treat ``-DFOO`` as equivalent to ``-DFOO=1``, but
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other tools may not recognize this in all circumstances (e.g. IntelliSense).
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See Also
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^^^^^^^^
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* :command:`add_compile_definitions`
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* :command:`target_compile_features`
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* :command:`target_compile_options`
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* :command:`target_include_directories`
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* :command:`target_link_libraries`
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* :command:`target_link_directories`
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* :command:`target_link_options`
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* :command:`target_precompile_headers`
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* :command:`target_sources`
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