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CMake/Help/prop_tgt/CXX_EXTENSIONS.rst

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cmTarget: Add CXX_STANDARD and CXX_EXTENSION target properties. These are used to determine whether to add -std=c++11, -std=gnu++11 etc flags on the compile line.
2013-10-13 04:00:24 +04:00
CXX_EXTENSIONS
--------------
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
Features: Enable compiler extensions by default. Compilers enable their extensions by default, and disabling them implicitly can lead to results which are surprising or non-obvious to debug. http://public.kitware.com/pipermail/cmake-developers/2014-May/010575.html http://thread.gmane.org/gmane.comp.programming.tools.cmake.devel/10214 https://www.mail-archive.com/cmake-developers@cmake.org/msg10116.html (Compiler feature extensions by default, 29 May 2014)
2014-05-30 17:03:45 +04:00
as ``-std=gnu++11`` instead of ``-std=c++11`` to the compile line. This
property is ``ON`` by default.
Features: Add missing variable reference in docs.
2014-05-22 11:41:13 +04:00
Help: Add a manual for compiler feature control. Link to it from the documentation of related properties, variables and commands. Extend the cmake-developer(7) documentation with notes on extending feature support for compilers.
2014-03-19 02:50:18 +04:00
See the :manual:`cmake-compile-features(7)` manual for information on
compile features.
Features: Add missing variable reference in docs.
2014-05-22 11:41:13 +04:00
This property is initialized by the value of
the :variable:`CMAKE_CXX_EXTENSIONS` variable if it is set when a target
is created.