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29 #ifndef _GLIBCXX_TR1_UNORDERED_SET
30 #define _GLIBCXX_TR1_UNORDERED_SET 1
32 #pragma GCC system_header
34 #if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
35 # error TR1 header cannot be included from C++0x header
47 #if defined(_GLIBCXX_INCLUDE_AS_TR1)
50 # define _GLIBCXX_INCLUDE_AS_TR1
51 # define _GLIBCXX_BEGIN_NAMESPACE_TR1 namespace tr1 {
52 # define _GLIBCXX_END_NAMESPACE_TR1 }
53 # define _GLIBCXX_TR1 tr1::
56 # undef _GLIBCXX_END_NAMESPACE_TR1
57 # undef _GLIBCXX_BEGIN_NAMESPACE_TR1
58 # undef _GLIBCXX_INCLUDE_AS_TR1
61 #endif // _GLIBCXX_TR1_UNORDERED_SET