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@@ -43,8 +43,7 @@
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// Use C++11 unordered_{map|set} if available.
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#if ((__cplusplus >= 201103L) && \
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- ((defined(__GLIBCXX__) && (__GLIBCXX__ > 20090421)) || \
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- (defined(_LIBCPP_VERSION) && (_LIBCPP_STD_VER >= 11))))
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+ ((__GLIBCXX__ > 20090421) || (_LIBCPP_STD_VER >= 11)))
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# define GOOGLE_PROTOBUF_HAS_CXX11_HASH
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// For XCode >= 4.6: the compiler is clang with libc++.
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Peter Kasting