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22 lines
816 B
22 lines
816 B
C_EXTENSIONS
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------------
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.. versionadded:: 3.1
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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 C standard level is
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controlled by the :prop_tgt:`C_STANDARD` target property.
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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_C_EXTENSIONS` variable if set when a target is created and
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otherwise by the value of
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:variable:`CMAKE_C_EXTENSIONS_DEFAULT <CMAKE_<LANG>_EXTENSIONS_DEFAULT>` (see
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:policy:`CMP0128`).
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