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Fix clang's config:

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* `typeid` is useless when `-fno-rtti` is turned on.
* Protect `BOOST_NO_RTTI` and `BOOST_NO_TYPEID` from redefinition, as done for `BOOST_NO_EXCEPTIONS`.

[SVN r78510]
This commit is contained in:
Michel Morin
2012-05-19 12:20:31 +00:00
parent efbd9a2552
commit e8f9424ec5
1 changed files with 5 additions and 1 deletions
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6
include/boost/config/compiler/clang.hpp
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@ -12,10 +12,14 @@
# define BOOST_NO_EXCEPTIONS
#endif
#if !__has_feature(cxx_rtti)
#if !__has_feature(cxx_rtti) && !defined(BOOST_NO_RTTI)
# define BOOST_NO_RTTI
#endif
#if !__has_feature(cxx_rtti) && !defined(BOOST_NO_TYPEID)
# define BOOST_NO_TYPEID
#endif
#if defined(__int64)
# define BOOST_HAS_MS_INT64
#endif