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44 #ifndef _GLIBCXX_FUNCTIONAL
45 #define _GLIBCXX_FUNCTIONAL 1
47 #pragma GCC system_header
52 #ifdef __GXX_EXPERIMENTAL_CXX0X__
53 # if defined(_GLIBCXX_INCLUDE_AS_TR1)
54 # error C++0x header cannot be included from TR1 header
63 # if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
66 # define _GLIBCXX_INCLUDE_AS_CXX0X
67 # define _GLIBCXX_BEGIN_NAMESPACE_TR1
68 # define _GLIBCXX_END_NAMESPACE_TR1
72 # undef _GLIBCXX_END_NAMESPACE_TR1
73 # undef _GLIBCXX_BEGIN_NAMESPACE_TR1
74 # undef _GLIBCXX_INCLUDE_AS_CXX0X
78 #endif // _GLIBCXX_FUNCTIONAL