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996 B
25 lines
996 B
OBJC_EXTENSIONS
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---------------
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.. versionadded:: 3.16
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Boolean specifying whether compiler specific extensions are requested.
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This property specifies whether compiler specific extensions should be
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used. For some compilers, this results in adding a flag such
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as ``-std=gnu11`` instead of ``-std=c11`` to the compile line. This
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property is ``ON`` by default. The basic OBJC standard level is
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controlled by the :prop_tgt:`OBJC_STANDARD` target property.
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If the property is not set, and the project has set the :prop_tgt:`C_EXTENSIONS`,
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the value of :prop_tgt:`C_EXTENSIONS` is set for :prop_tgt:`OBJC_EXTENSIONS`.
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See the :manual:`cmake-compile-features(7)` manual for information on
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compile features and a list of supported compilers.
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This property is initialized by the value of
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the :variable:`CMAKE_OBJC_EXTENSIONS` variable if set when a target is created
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and otherwise by the value of
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:variable:`CMAKE_OBJC_EXTENSIONS_DEFAULT <CMAKE_<LANG>_EXTENSIONS_DEFAULT>`
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(see :policy:`CMP0128`).
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