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Fix clang version checks.

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This commit is contained in:
jzmaddock
2014-10-22 17:58:22 +01:00
parent 42cc344212
commit 224d70f02a
1 changed files with 9 additions and 2 deletions
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11
include/boost/config/compiler/clang.hpp
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@ -233,7 +233,13 @@
//
// This issue also affects C++11 mode, but C++11 constexpr requires return stmt.
// Therefore we don't care such case.
#if (__clang_major__ == 3 && __clang_minor__ < 5) \
//
// Note that we can't check Clang version directly as the numbering system changes depending who's
// creating the Clang release (see https://github.com/boostorg/config/pull/39#issuecomment-59927873)
// so instead verify that we have a feature that was introduced at the same time as working C++14
// constexpr (generic lambda's in this case):
//
#if !__has_feature(cxx_generic_lambdas) \
|| !(__has_feature(cxx_relaxed_constexpr) || __has_extension(cxx_relaxed_constexpr))
# define BOOST_NO_CXX14_CONSTEXPR
#endif
@ -246,7 +252,8 @@
# define BOOST_NO_CXX14_VARIABLE_TEMPLATES
#endif
#if ((__clang_major__ < 3) || (__clang_major__ == 3 && __clang_minor__ < 4)) || (__cplusplus < 201400)
#if __cplusplus < 201400
// All versions with __cplusplus above this value seem to support this:
# define BOOST_NO_CXX14_DIGIT_SEPARATORS
#endif