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-rw-r--r--Help/prop_tgt/CXX_EXTENSIONS.rst3
1 files changed, 2 insertions, 1 deletions
diff --git a/Help/prop_tgt/CXX_EXTENSIONS.rst b/Help/prop_tgt/CXX_EXTENSIONS.rst
index 0f547e2..280bb3a 100644
--- a/Help/prop_tgt/CXX_EXTENSIONS.rst
+++ b/Help/prop_tgt/CXX_EXTENSIONS.rst
@@ -6,7 +6,8 @@ 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=gnu++11`` instead of ``-std=c++11`` to the compile line. This
-property is ``ON`` by default.
+property is ``ON`` by default. The basic C++ standard level is
+controlled by the :prop_tgt:`CXX_STANDARD` target property.
See the :manual:`cmake-compile-features(7)` manual for information on
compile features and a list of supported compilers.