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Teach gtest to autodetect rtti support with clang (by Nico Weber).

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This commit is contained in:
vladlosev 2012-05-02 18:09:59 +00:00
parent 9a56024c9a
commit cdb24f86d5
1 changed files with 7 additions and 0 deletions
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7
include/gtest/internal/gtest-port.h
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@ -391,6 +391,13 @@
# define GTEST_HAS_RTTI 0
# endif // __GXX_RTTI
// Clang defines __GXX_RTTI starting with version 3.0, but its manual recommends
// using has_feature instead. has_feature(cxx_rtti) is supported since 2.7, the
// first version with C++ support.
# elif defined(__clang__)
# define GTEST_HAS_RTTI __has_feature(cxx_rtti)
// Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if
// both the typeid and dynamic_cast features are present.
# elif defined(__IBMCPP__) && (__IBMCPP__ >= 900)