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-rw-r--r--Help/prop_tgt/CXX_EXTENSIONS.rst3
-rw-r--r--Help/prop_tgt/CXX_STANDARD.rst2
-rw-r--r--Help/prop_tgt/C_EXTENSIONS.rst3
-rw-r--r--Help/prop_tgt/C_STANDARD.rst2
4 files changed, 8 insertions, 2 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.
diff --git a/Help/prop_tgt/CXX_STANDARD.rst b/Help/prop_tgt/CXX_STANDARD.rst
index edc9ba5..5b186c1 100644
--- a/Help/prop_tgt/CXX_STANDARD.rst
+++ b/Help/prop_tgt/CXX_STANDARD.rst
@@ -22,6 +22,8 @@ with a compiler which does not support ``-std=gnu++11`` or an equivalent
flag will not result in an error or warning, but will instead add the
``-std=gnu++98`` flag if supported. This "decay" behavior may be controlled
with the :prop_tgt:`CXX_STANDARD_REQUIRED` target property.
+Additionally, the :prop_tgt:`CXX_EXTENSIONS` target property may be used to
+control whether compiler-specific extensions are enabled on a per-target basis.
See the :manual:`cmake-compile-features(7)` manual for information on
compile features and a list of supported compilers.
diff --git a/Help/prop_tgt/C_EXTENSIONS.rst b/Help/prop_tgt/C_EXTENSIONS.rst
index fce67f4..05b14ce 100644
--- a/Help/prop_tgt/C_EXTENSIONS.rst
+++ b/Help/prop_tgt/C_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=gnu11`` instead of ``-std=c11`` 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:`C_STANDARD` target property.
See the :manual:`cmake-compile-features(7)` manual for information on
compile features and a list of supported compilers.
diff --git a/Help/prop_tgt/C_STANDARD.rst b/Help/prop_tgt/C_STANDARD.rst
index 5e36821..815a686 100644
--- a/Help/prop_tgt/C_STANDARD.rst
+++ b/Help/prop_tgt/C_STANDARD.rst
@@ -22,6 +22,8 @@ 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=gnu99`` or ``-std=gnu90`` flag if supported. This "decay" behavior may
be controlled with the :prop_tgt:`C_STANDARD_REQUIRED` target property.
+Additionally, the :prop_tgt:`C_EXTENSIONS` target property may be used to
+control whether compiler-specific extensions are enabled on a per-target basis.
See the :manual:`cmake-compile-features(7)` manual for information on
compile features and a list of supported compilers.