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This can be used to set the compiler features required by particular targets. An error is issued at CMake time if the compiler does not support the required feature. If a language dialect flag is required by the features used, that will be added automatically. Base the target_compile_features command on cmTargetPropCommandBase. This gives us 'free' handling of IMPORTED, ALIAS, INTERFACE, non-compilable and missing targets.
19 lines
832 B
ReStructuredText
19 lines
832 B
ReStructuredText
target-language-features
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* New :prop_tgt:`CXX_STANDARD` and :prop_tgt:`CXX_EXTENSIONS` target
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properties may specify values which CMake uses to compute required
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compile options such as ``-std=c++11`` or ``-std=gnu++11``. The
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:variable:`CMAKE_CXX_STANDARD` and :variable:`CMAKE_CXX_EXTENSIONS`
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variables may be set to initialize the target properties.
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* New :prop_tgt:`COMPILE_FEATURES` target property may contain a list
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of features required to compile a target. CMake uses this
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information to ensure that the compiler in use is capable of building
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the target, and to add any necessary compile flags to support language
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features.
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* New :command:`target_compile_features` command allows populating the
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:prop_tgt:`COMPILE_FEATURES` target property, just like any other
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build variable.
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