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Require std::tuple for full C++11 construction

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This commit is contained in:
Daniel James
2017-05-16 18:15:56 +01:00
parent dc611fc828
commit 6fffc738f7
1 changed files with 24 additions and 28 deletions
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52
include/boost/unordered/detail/implementation.hpp
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@ -90,34 +90,6 @@
#define BOOST_UNORDERED_USE_ALLOCATOR_TRAITS 0 #define BOOST_UNORDERED_USE_ALLOCATOR_TRAITS 0
#endif #endif
// BOOST_UNORDERED_CXX11_CONSTRUCTION
//
// Use C++11 construction, requires variadic arguments, good construct support
// in allocator_traits and piecewise construction of std::pair
// Otherwise allocators aren't used for construction/destruction
#if BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT && \
!defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#if BOOST_COMP_SUNPRO && BOOST_LIB_STD_GNU
// Sun C++ std::pair piecewise construction doesn't seem to be exception safe.
// (At least for Sun C++ 12.5 using libstdc++).
#define BOOST_UNORDERED_CXX11_CONSTRUCTION 0
#elif BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 0 && \
!defined(BOOST_NO_SFINAE_EXPR)
#define BOOST_UNORDERED_CXX11_CONSTRUCTION 1
#elif BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
#define BOOST_UNORDERED_CXX11_CONSTRUCTION 1
#endif
#endif
#if !defined(BOOST_UNORDERED_CXX11_CONSTRUCTION)
#define BOOST_UNORDERED_CXX11_CONSTRUCTION 0
#endif
//
// Other configuration macros
//
// BOOST_UNORDERED_TUPLE_ARGS // BOOST_UNORDERED_TUPLE_ARGS
// //
// Maximum number of std::tuple members to support, or 0 if std::tuple // Maximum number of std::tuple members to support, or 0 if std::tuple
@ -158,6 +130,30 @@
#include <tuple> #include <tuple>
#endif #endif
// BOOST_UNORDERED_CXX11_CONSTRUCTION
//
// Use C++11 construction, requires variadic arguments, good construct support
// in allocator_traits and piecewise construction of std::pair
// Otherwise allocators aren't used for construction/destruction
#if BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT && \
!defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && BOOST_UNORDERED_TUPLE_ARGS
#if BOOST_COMP_SUNPRO && BOOST_LIB_STD_GNU
// Sun C++ std::pair piecewise construction doesn't seem to be exception safe.
// (At least for Sun C++ 12.5 using libstdc++).
#define BOOST_UNORDERED_CXX11_CONSTRUCTION 0
#elif BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 0 && \
!defined(BOOST_NO_SFINAE_EXPR)
#define BOOST_UNORDERED_CXX11_CONSTRUCTION 1
#elif BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
#define BOOST_UNORDERED_CXX11_CONSTRUCTION 1
#endif
#endif
#if !defined(BOOST_UNORDERED_CXX11_CONSTRUCTION)
#define BOOST_UNORDERED_CXX11_CONSTRUCTION 0
#endif
// BOOST_UNORDERED_SUPPRESS_DEPRECATED // BOOST_UNORDERED_SUPPRESS_DEPRECATED
// //
// Define to stop deprecation attributes // Define to stop deprecation attributes