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| author | Cristian Adam <cristian.adam@gmail.com> | 2019-11-11 15:10:19 (GMT) |
|---|---|---|
| committer | Cristian Adam <cristian.adam@gmail.com> | 2019-11-11 15:10:19 (GMT) |
| commit | 665954fa8d2d2e0a74aab78b7d739c0feae5211b (patch) | |
| tree | 3ed80776c08b9f2a3e9b000814e8328980ab338c /Help/prop_tgt/OBJC_EXTENSIONS.rst | |
| parent | adf863f15e348789e4d20e3d2dd792f35d4f4725 (diff) | |
| download | CMake-665954fa8d2d2e0a74aab78b7d739c0feae5211b.zip CMake-665954fa8d2d2e0a74aab78b7d739c0feae5211b.tar.gz CMake-665954fa8d2d2e0a74aab78b7d739c0feae5211b.tar.bz2 | |
ObjC: Document ObjC/ObjCXX standard properties / variables
Fixes: #19919
Diffstat (limited to 'Help/prop_tgt/OBJC_EXTENSIONS.rst')
| -rw-r--r-- | Help/prop_tgt/OBJC_EXTENSIONS.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Help/prop_tgt/OBJC_EXTENSIONS.rst b/Help/prop_tgt/OBJC_EXTENSIONS.rst new file mode 100644 index 0000000..2de9e48 --- /dev/null +++ b/Help/prop_tgt/OBJC_EXTENSIONS.rst @@ -0,0 +1,20 @@ +OBJC_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 +as ``-std=gnu11`` instead of ``-std=c11`` to the compile line. This +property is ``ON`` by default. The basic OBJC standard level is +controlled by the :prop_tgt:`OBJC_STANDARD` target property. + +If the property is not set, and the project has set the :prop_tgt:`C_EXTENSIONS`, +the value of :prop_tgt:`C_EXTENSIONS` is set for :prop_tgt:`OBJC_EXTENSIONS`. + +See the :manual:`cmake-compile-features(7)` manual for information on +compile features and a list of supported compilers. + +This property is initialized by the value of +the :variable:`CMAKE_OBJC_EXTENSIONS` variable if it is set when a target +is created. |