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Stephen Kelly
8ed59fc207
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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