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| author | Stephen Kelly <steveire@gmail.com> | 2014-05-30 13:03:45 (GMT) |
|---|---|---|
| committer | Stephen Kelly <steveire@gmail.com> | 2014-05-31 10:16:12 (GMT) |
| commit | 60a981ea8eda7a5af679ca3b2e4d54bc50ad61b3 (patch) | |
| tree | f2344920e6c0358ca970ec70302a79e2dbc58f43 /Help/prop_tgt/C_STANDARD.rst | |
| parent | 8afbb346c67c60dcf9383f5e58307d629eafb855 (diff) | |
| download | CMake-60a981ea8eda7a5af679ca3b2e4d54bc50ad61b3.zip CMake-60a981ea8eda7a5af679ca3b2e4d54bc50ad61b3.tar.gz CMake-60a981ea8eda7a5af679ca3b2e4d54bc50ad61b3.tar.bz2 | |
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)
Diffstat (limited to 'Help/prop_tgt/C_STANDARD.rst')
| -rw-r--r-- | Help/prop_tgt/C_STANDARD.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Help/prop_tgt/C_STANDARD.rst b/Help/prop_tgt/C_STANDARD.rst index a0c939a..88ca926 100644 --- a/Help/prop_tgt/C_STANDARD.rst +++ b/Help/prop_tgt/C_STANDARD.rst @@ -5,7 +5,7 @@ The C standard whose features are requested to build this target. 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=c11`` to the compile line. +flag such as ``-std=gnu11`` to the compile line. Supported values are ``90``, ``99`` and ``11``. @@ -17,9 +17,9 @@ means that using: set_property(TARGET tgt PROPERTY C_STANDARD 11) -with a compiler which does not support ``-std=c11`` or an equivalent +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=c99`` or ``-std=c90`` flag if supported. This "decay" behavior may +``-std=gnu99`` or ``-std=gnu90`` flag if supported. This "decay" behavior may be controlled with the :prop_tgt:`C_STANDARD_REQUIRED` target property. See the :manual:`cmake-compile-features(7)` manual for information on |