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Now, several `INTERFACE_*` properties can be set on `IMPORTED` targets, not only via `set_property` and `set_target_properties` but also via `target_compile_definitions`, `target_compile_features`, `target_compile_options`, `target_include_directories`, `target_sources` and `target_link_libraries`. Fixes: #15689 Issue: #17197
34 lines
1.5 KiB
ReStructuredText
34 lines
1.5 KiB
ReStructuredText
target_compile_features
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-----------------------
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Add expected compiler features to a target.
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::
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target_compile_features(<target> <PRIVATE|PUBLIC|INTERFACE> <feature> [...])
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Specify compiler features required when compiling a given target. If the
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feature is not listed in the :variable:`CMAKE_C_COMPILE_FEATURES` variable
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or :variable:`CMAKE_CXX_COMPILE_FEATURES` variable,
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then an error will be reported by CMake. If the use of the feature requires
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an additional compiler flag, such as ``-std=gnu++11``, the flag will be added
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automatically.
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The ``INTERFACE``, ``PUBLIC`` and ``PRIVATE`` keywords are required to
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specify the scope of the features. ``PRIVATE`` and ``PUBLIC`` items will
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populate the :prop_tgt:`COMPILE_FEATURES` property of ``<target>``.
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``PUBLIC`` and ``INTERFACE`` items will populate the
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:prop_tgt:`INTERFACE_COMPILE_FEATURES` property of ``<target>``.
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(:ref:`IMPORTED targets <Imported Targets>` only support ``INTERFACE`` items.)
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Repeated calls for the same ``<target>`` append items.
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The 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:`ALIAS target <Alias Targets>`.
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Arguments to ``target_compile_features`` may use "generator expressions"
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with the syntax ``$<...>``.
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See the :manual:`cmake-generator-expressions(7)` manual for available
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expressions. See the :manual:`cmake-compile-features(7)` manual for
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information on compile features and a list of supported compilers.
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