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Wrap unimplemented clang feature in __has_feature

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So that when they are actually implemented in future version, the proper
defines get defined.

Change-Id: I5cc3e3ef64b06facc27e6d697700dcb7a96300d5
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
This commit is contained in:
Olivier Goffart 2012-01-24 18:51:51 +01:00 committed by Qt by Nokia
parent 8eb2546bf2
commit 0bca94cf38
1 changed files with 13 additions and 4 deletions
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17
src/corelib/global/qglobal.h
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@ -797,15 +797,24 @@ namespace QT_NAMESPACE {}
# define Q_COMPILER_RANGE_FOR
# define Q_COMPILER_UNICODE_STRINGS
# endif
# if 0 /*) not implemented in clang */
# define Q_COMPILER_ATOMICS
/* not implemented in clang yet */
# if __has_feature(cxx_constexpr)
# define Q_COMPILER_CONSTEXPR
# define Q_COMPILER_INITIALIZER_LISTS
# endif
# if __has_feature(cxx_lambdas)
# define Q_COMPILER_LAMBDA
# endif
# if __has_feature(cxx_generalized_initializers)
# define Q_COMPILER_INITIALIZER_LISTS
# endif
# if __has_feature(cxx_unrestricted_unions)
# define Q_COMPILER_UNRESTRICTED_UNIONS
# endif
# if 0
# define Q_COMPILER_ATOMICS
# endif
# endif
#endif
#endif // Q_CC_CLANG
#ifndef Q_PACKED
# define Q_PACKED