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Help: Cross reference CXX_STANDARD and CXX_EXTENSIONS (#16162)

This commit is contained in:
Gregor Jasny 2016-06-25 14:23:56 +02:00 committed by Brad King
parent d152ae123d
commit c6a077d698
4 changed files with 8 additions and 2 deletions
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3
Help/prop_tgt/CXX_EXTENSIONS.rst
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@ -6,7 +6,8 @@ Boolean specifying whether compiler specific extensions are requested.
This property specifies whether compiler specific extensions should be
used. For some compilers, this results in adding a flag such
as ``-std=gnu++11`` instead of ``-std=c++11`` to the compile line. This
property is ``ON`` by default.
property is ``ON`` by default. The basic C++ standard level is
controlled by the :prop_tgt:`CXX_STANDARD` target property.
See the :manual:`cmake-compile-features(7)` manual for information on
compile features and a list of supported compilers.

2
Help/prop_tgt/CXX_STANDARD.rst
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@ -22,6 +22,8 @@ with a compiler which does not support ``-std=gnu++11`` or an equivalent
flag will not result in an error or warning, but will instead add the
``-std=gnu++98`` flag if supported. This "decay" behavior may be controlled
with the :prop_tgt:`CXX_STANDARD_REQUIRED` target property.
Additionally, the :prop_tgt:`CXX_EXTENSIONS` target property may be used to
control whether compiler-specific extensions are enabled on a per-target basis.
See the :manual:`cmake-compile-features(7)` manual for information on
compile features and a list of supported compilers.

3
Help/prop_tgt/C_EXTENSIONS.rst
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@ -6,7 +6,8 @@ Boolean specifying whether compiler specific extensions are requested.
This property specifies whether compiler specific extensions should be
used. For some compilers, this results in adding a flag such
as ``-std=gnu11`` instead of ``-std=c11`` to the compile line. This
property is ``ON`` by default.
property is ``ON`` by default. The basic C standard level is
controlled by the :prop_tgt:`C_STANDARD` target property.
See the :manual:`cmake-compile-features(7)` manual for information on
compile features and a list of supported compilers.

2
Help/prop_tgt/C_STANDARD.rst
View File

@ -22,6 +22,8 @@ with a compiler which does not support ``-std=gnu11`` or an equivalent
flag will not result in an error or warning, but will instead add the
``-std=gnu99`` or ``-std=gnu90`` flag if supported. This "decay" behavior may
be controlled with the :prop_tgt:`C_STANDARD_REQUIRED` target property.
Additionally, the :prop_tgt:`C_EXTENSIONS` target property may be used to
control whether compiler-specific extensions are enabled on a per-target basis.
See the :manual:`cmake-compile-features(7)` manual for information on
compile features and a list of supported compilers.