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Diffstat (limited to 'Help')
| -rw-r--r-- | Help/prop_tgt/CXX_STANDARD.rst | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/Help/prop_tgt/CXX_STANDARD.rst b/Help/prop_tgt/CXX_STANDARD.rst index e1b6e78..fb72f3e 100644 --- a/Help/prop_tgt/CXX_STANDARD.rst +++ b/Help/prop_tgt/CXX_STANDARD.rst @@ -1,14 +1,26 @@ CXX_STANDARD ------------ -The C++ standard whose features are required to build this target. +The C++ standard whose features are requested to build this target. -This property specifies the C++ standard whose features are required +This property specifies the C++ standard whose features are requested to build this target. For some compilers, this results in adding a flag such as ``-std=c++11`` to the compile line. Supported values are ``98`` and ``11``. +If the value requested does not result in a compile flag being added for +the compiler in use, a previous standard flag will be added instead. This +means that using: + +.. code-block:: cmake + + set_property(TARGET tgt PROPERTY CXX_STANDARD 11) + +with a compiler which does not support ``-std=c++11`` or an equivalent +flag will not result in an error or warning, but will instead add the +``-std=c++98`` flag if supported. + This property is initialized by the value of the :variable:`CMAKE_CXX_STANDARD` variable if it is set when a target is created. |