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| author | Stephen Kelly <steveire@gmail.com> | 2014-04-30 16:07:38 (GMT) |
|---|---|---|
| committer | Stephen Kelly <steveire@gmail.com> | 2014-05-07 10:17:49 (GMT) |
| commit | 205215fb8a8aa950026d914377a54ae358a1c02a (patch) | |
| tree | 2e847006ba3a5e19448058ff09ad6b496fe4b39b /Help | |
| parent | 1df2116bfaa4c575404ae1eef225aed1530d668a (diff) | |
| download | CMake-205215fb8a8aa950026d914377a54ae358a1c02a.zip CMake-205215fb8a8aa950026d914377a54ae358a1c02a.tar.gz CMake-205215fb8a8aa950026d914377a54ae358a1c02a.tar.bz2 | |
cmTarget: Add CXX_STANDARD_REQUIRED to control decay.
Diffstat (limited to 'Help')
| -rw-r--r-- | Help/manual/cmake-properties.7.rst | 1 | ||||
| -rw-r--r-- | Help/manual/cmake-variables.7.rst | 1 | ||||
| -rw-r--r-- | Help/prop_tgt/CXX_STANDARD.rst | 3 | ||||
| -rw-r--r-- | Help/prop_tgt/CXX_STANDARD_REQUIRED.rst | 14 | ||||
| -rw-r--r-- | Help/variable/CMAKE_CXX_STANDARD_REQUIRED.rst | 8 |
5 files changed, 26 insertions, 1 deletions
diff --git a/Help/manual/cmake-properties.7.rst b/Help/manual/cmake-properties.7.rst index 01fe42d..14d2e7f 100644 --- a/Help/manual/cmake-properties.7.rst +++ b/Help/manual/cmake-properties.7.rst @@ -110,6 +110,7 @@ Properties on Targets /prop_tgt/CONFIG_POSTFIX /prop_tgt/CXX_EXTENSIONS /prop_tgt/CXX_STANDARD + /prop_tgt/CXX_STANDARD_REQUIRED /prop_tgt/DEBUG_POSTFIX /prop_tgt/DEFINE_SYMBOL /prop_tgt/EchoString diff --git a/Help/manual/cmake-variables.7.rst b/Help/manual/cmake-variables.7.rst index e2958a1..7313cd1 100644 --- a/Help/manual/cmake-variables.7.rst +++ b/Help/manual/cmake-variables.7.rst @@ -260,6 +260,7 @@ Variables for Languages /variable/CMAKE_CXX_COMPILE_FEATURES /variable/CMAKE_CXX_EXTENSIONS /variable/CMAKE_CXX_STANDARD + /variable/CMAKE_CXX_STANDARD_REQUIRED /variable/CMAKE_Fortran_MODDIR_DEFAULT /variable/CMAKE_Fortran_MODDIR_FLAG /variable/CMAKE_Fortran_MODOUT_FLAG diff --git a/Help/prop_tgt/CXX_STANDARD.rst b/Help/prop_tgt/CXX_STANDARD.rst index fb72f3e..fdd5aac 100644 --- a/Help/prop_tgt/CXX_STANDARD.rst +++ b/Help/prop_tgt/CXX_STANDARD.rst @@ -19,7 +19,8 @@ means that using: 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. +``-std=c++98`` flag if supported. This "decay" behavior may be controlled +with the :prop_tgt:`CXX_STANDARD_REQUIRED` target property. This property is initialized by the value of the :variable:`CMAKE_CXX_STANDARD` variable if it is set when a target diff --git a/Help/prop_tgt/CXX_STANDARD_REQUIRED.rst b/Help/prop_tgt/CXX_STANDARD_REQUIRED.rst new file mode 100644 index 0000000..f082805 --- /dev/null +++ b/Help/prop_tgt/CXX_STANDARD_REQUIRED.rst @@ -0,0 +1,14 @@ +CXX_STANDARD_REQUIRED +--------------------- + +Boolean describing whether the value of :prop_tgt:`CXX_STANDARD` is a requirement. + +If this property is set to ``ON``, then the value of the +:prop_tgt:`CXX_STANDARD` target property is treated as a requirement. If this +property is ``OFF`` or unset, the :prop_tgt:`CXX_STANDARD` target property is +treated as optional and may "decay" to a previous standard if the requested is +not available. + +This property is initialized by the value of +the :variable:`CMAKE_CXX_STANDARD_REQUIRED` variable if it is set when a +target is created. diff --git a/Help/variable/CMAKE_CXX_STANDARD_REQUIRED.rst b/Help/variable/CMAKE_CXX_STANDARD_REQUIRED.rst new file mode 100644 index 0000000..ff005da --- /dev/null +++ b/Help/variable/CMAKE_CXX_STANDARD_REQUIRED.rst @@ -0,0 +1,8 @@ +CMAKE_CXX_STANDARD_REQUIRED +--------------------------- + +Default value for ``CXX_STANDARD_REQUIRED`` property of targets. + +This variable is used to initialize the :prop_tgt:`CXX_STANDARD_REQUIRED` +property on all targets. See that target property for additional +information. |