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target_compile_options
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----------------------
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Add compile options to a target.
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::
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target_compile_options(<target> [BEFORE]
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<INTERFACE|PUBLIC|PRIVATE> [items1...]
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[<INTERFACE|PUBLIC|PRIVATE> [items2...] ...])
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Specify compile options 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` and must not be an
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:ref:`IMPORTED Target <Imported Targets>`. If ``BEFORE`` is specified,
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the content will be prepended to the property instead of being appended.
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This command can be used to add any options, but
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alternative commands exist to add preprocessor definitions
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(:command:`target_compile_definitions` and :command:`add_definitions`) or
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include directories (:command:`target_include_directories` and
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:command:`include_directories`). See documentation of the
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:prop_dir:`directory <COMPILE_OPTIONS>` and
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:prop_tgt:`target <COMPILE_OPTIONS>` ``COMPILE_OPTIONS`` properties.
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The ``INTERFACE``, ``PUBLIC`` and ``PRIVATE`` keywords are required to
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specify the scope of the following arguments. ``PRIVATE`` and ``PUBLIC``
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items will populate the :prop_tgt:`COMPILE_OPTIONS` property of
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``<target>``. ``PUBLIC`` and ``INTERFACE`` items will populate the
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:prop_tgt:`INTERFACE_COMPILE_OPTIONS` property of ``<target>``. The
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following arguments specify compile options. Repeated calls for the same
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``<target>`` append items in the order called.
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Arguments to ``target_compile_options`` may use "generator expressions"
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with the syntax ``$<...>``. See the :manual:`cmake-generator-expressions(7)`
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manual for available expressions. See the :manual:`cmake-buildsystem(7)`
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manual for more on defining buildsystem properties.
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