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authorStephen Kelly <steveire@gmail.com>2014-04-02 13:57:15 (GMT)
committerStephen Kelly <steveire@gmail.com>2014-04-07 14:52:22 (GMT)
commit03355d6b5b382020e7dafb28605e6d8d2f20de3c (patch)
tree6ab7c7c46b02d36f28bd1309063e41b598b0e3dd /Help/release/dev/compile-language-features.rst
parentfaeddf64f21b592a5663803ca8accdf9f4b73c29 (diff)
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cmTarget: Add COMPILE_FEATURES target property.
Use the contents of it to upgrade the CXX_STANDARD target property, if appropriate. This will have the effect of adding the -std=c++11 compile flag or other language specification on GNU when that is needed for the feature.
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diff --git a/Help/release/dev/compile-language-features.rst b/Help/release/dev/compile-language-features.rst
index f03e1a3..74fe209 100644
--- a/Help/release/dev/compile-language-features.rst
+++ b/Help/release/dev/compile-language-features.rst
@@ -6,3 +6,9 @@ target-language-features
compile options such as ``-std=c++11`` or ``-std=gnu++11``. The
:variable:`CMAKE_CXX_STANDARD` and :variable:`CMAKE_CXX_EXTENSIONS`
variables may be set to initialize the target properties.
+
+* New :prop_tgt:`COMPILE_FEATURES` target property may contain a list
+ of features required to compile a target. CMake uses this
+ information to ensure that the compiler in use is capable of building
+ the target, and to add any necessary compile flags to support language
+ features.