Features: Add cxx_decltype.

This commit is contained in:
Stephen Kelly 2014-04-03 00:08:49 +02:00
parent 8d3467636c
commit 7e748417bc
4 changed files with 14 additions and 0 deletions

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@ -22,6 +22,11 @@ The features known to this version of CMake are:
.. _N2235: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2235.pdf
``cxx_decltype``
Decltype, as defined in N2343_.
.. _N2343: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2343.pdf
``cxx_delegating_constructors``
Delegating constructors, as defined in N1986_.

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@ -30,5 +30,6 @@ set(_cmake_feature_test_cxx_variadic_templates "${GNU44_CXX11}")
# http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2555.pdf
# TODO: Should be supported by GNU 4.3
set(GNU43_CXX11 "${_oldestSupported} && __cplusplus >= 201103L")
set(_cmake_feature_test_cxx_decltype "${GNU43_CXX11}")
set(_cmake_feature_test_cxx_static_assert "${GNU43_CXX11}")
set(_oldestSupported)

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@ -44,6 +44,7 @@
#define FOR_EACH_CXX_FEATURE(F) \
F(cxx_auto_type) \
F(cxx_constexpr) \
F(cxx_decltype) \
F(cxx_delegating_constructors) \
F(cxx_final) \
F(cxx_override) \

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@ -0,0 +1,7 @@
int someFunc()
{
int i = 0;
decltype(i) other = 0;
return other;
}