science/pulseview: unbreak with boost 1.68 on FreeBSD 10.*
After https://github.com/boostorg/multiprecision/commit/3cedeeab3048
building with Clang 3.4.1 fails like the following:
In file included from pv/views/trace/view.cpp:26:
In file included from /usr/include/c++/v1/algorithm:628:
In file included from /usr/include/c++/v1/memory:607:
/usr/include/c++/v1/tuple:187:73: error: reference to type 'const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0>' requires an initializer
_NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) : value()
^/usr/include/c++/v1/type_traits:2359:44: note: in instantiation of member function 'std::1::tuple_leaf<1, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>::tuple_leaf' requested here
typename select_2nd<decltype(_VSTD::move(_Tp(_VSTD::declval<_Args>()...))), true_type>::type
^
/usr/include/c++/v1/type_traits:2360:1: note: while substituting deduced template arguments into function template 'is_constructible_test' [with _Tp = std::1::tuple_leaf<1, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>, _Args = <>]
is_constructible_test(_Tp&&, _Args&& ...);
^
/usr/include/c++/v1/type_traits:2419:14: note: in instantiation of template class 'std::1::libcpp_is_constructible<false, std::1::tuple_leaf<1, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>>' requested here
: public __libcpp_is_constructible<is_scalar<_Tp>::value || is_reference<_Tp>::value,
^/usr/include/c++/v1/type_traits:2445:14: note: in instantiation of template class 'std::1::is_constructible_void_check<false, std::1::tuple_leaf<1, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>>' requested here
: public __is_constructible_void_check<__contains_void<_Tp, _Args...>::value
^/usr/include/c++/v1/type_traits:2653:14: note: in instantiation of template class 'std::1::is_constructible<std::1::__tuple_leaf<1, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>>' requested here
: public is_constructible<_Tp>
^/usr/local/include/boost/multiprecision/number.hpp:645:119: note: (skipping 4 contexts in backtrace; use -ftemplate-backtrace-limit=0 to see all)
template <class T, class = typename boost::disable_if_c<std::is_constructible<T, self_type const&>::value || !std::is_default_constructible<T>::value, T>::type>
^/usr/include/c++/v1/tuple:882:12: note: in instantiation of function template specialization 'std::__1::tuple<pv::views::trace::View &, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, QString &&>::tuple<pv::views::trace::View &, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, QString, false>' requested here
return tuple<_Tp&&...>(_VSTD::forward<_Tp>(__t)...);
^/usr/include/c++/v1/memory:3705:27: note: in instantiation of function template specialization 'std::__1::forward_as_tuple<pv::views::trace::View &, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, QString>' requested here
_VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...)) {}
^/usr/include/c++/v1/memory:4280:26: note: in instantiation of function template specialization 'std::1::shared_ptr_emplace<pv::views::trace::Flag, std::1::allocator<pv::views::trace::Flag> >::shared_ptr_emplace<pv::views::trace::View &, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, QString>' requested here
::new(__hold2.get()) _CntrlBlk(__a2, _VSTD::forward<_Args>(__args)...);
^/usr/include/c++/v1/memory:4644:29: note: in instantiation of function template specialization 'std::__1::shared_ptr<pv::views::trace::Flag>::make_shared<pv::views::trace::View &, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, QString>' requested here
return shared_ptr<_Tp>::make_shared(_VSTD::forward<_Args>(__args)...);
^pv/views/trace/view.cpp:641:19: note: in instantiation of function template specialization 'std::__1::make_shared<pv::views::trace::Flag, pv::views::trace::View &, const boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, QString>' requested here
flags_.push_back(make_shared<Flag>(*this, time,
^In file included from pv/views/trace/view.cpp:26:
In file included from /usr/include/c++/v1/algorithm:628:
In file included from /usr/include/c++/v1/memory:607:
/usr/include/c++/v1/tuple:188:9: error: static_assert failed "Attempted to default construct a reference element in a tuple"
{static_assert(!is_reference<_Hp>::value,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~/usr/include/c++/v1/tuple:187:73: error: reference to type 'boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0>' requires an initializer
_NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) : value()
^/usr/include/c++/v1/type_traits:2359:44: note: in instantiation of member function 'std::1::tuple_leaf<1, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>::tuple_leaf' requested here
typename select_2nd<decltype(_VSTD::move(_Tp(_VSTD::declval<_Args>()...))), true_type>::type
^
/usr/include/c++/v1/type_traits:2360:1: note: while substituting deduced template arguments into function template 'is_constructible_test' [with _Tp = std::1::tuple_leaf<1, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>, _Args = <>]
is_constructible_test(_Tp&&, _Args&& ...);
^
/usr/include/c++/v1/type_traits:2419:14: note: in instantiation of template class 'std::1::libcpp_is_constructible<false, std::1::tuple_leaf<1, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>>' requested here
: public __libcpp_is_constructible<is_scalar<_Tp>::value || is_reference<_Tp>::value,
^/usr/include/c++/v1/type_traits:2445:14: note: in instantiation of template class 'std::1::is_constructible_void_check<false, std::1::tuple_leaf<1, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>>' requested here
: public __is_constructible_void_check<__contains_void<_Tp, _Args...>::value
^/usr/include/c++/v1/type_traits:2653:14: note: in instantiation of template class 'std::1::is_constructible<std::1::__tuple_leaf<1, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &, false>>' requested here
: public is_constructible<_Tp>
^/usr/local/include/boost/multiprecision/number.hpp:645:119: note: (skipping 4 contexts in backtrace; use -ftemplate-backtrace-limit=0 to see all)
template <class T, class = typename boost::disable_if_c<std::is_constructible<T, self_type const&>::value || !std::is_default_constructible<T>::value, T>::type>
^/usr/include/c++/v1/tuple:882:12: note: in instantiation of member function 'std::__1::tuple<pv::views::trace::View &, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &>::tuple' requested here
return tuple<_Tp&&...>(_VSTD::forward<_Tp>(__t)...);
^/usr/include/c++/v1/memory:3705:27: note: in instantiation of function template specialization 'std::__1::forward_as_tuple<pv::views::trace::View &, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &>' requested here
_VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...)) {}
^/usr/include/c++/v1/memory:4280:26: note: in instantiation of function template specialization 'std::1::shared_ptr_emplace<pv::views::trace::TriggerMarker, std::1::allocator<pv::views::trace::TriggerMarker> >::shared_ptr_emplace<pv::views::trace::View &, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &>' requested here
::new(__hold2.get()) _CntrlBlk(__a2, _VSTD::forward<_Args>(__args)...);
^/usr/include/c++/v1/memory:4644:29: note: in instantiation of function template specialization 'std::__1::shared_ptr<pv::views::trace::TriggerMarker>::make_shared<pv::views::trace::View &, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &>' requested here
return shared_ptr<_Tp>::make_shared(_VSTD::forward<_Args>(__args)...);
^pv/views/trace/view.cpp:696:29: note: in instantiation of function template specialization 'std::__1::make_shared<pv::views::trace::TriggerMarker, pv::views::trace::View &, boost::multiprecision::number<boost::multiprecision::backends::cpp_dec_float<24, int, void>, 0> &>' requested here
trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location));
^In file included from pv/views/trace/view.cpp:26:
In file included from /usr/include/c++/v1/algorithm:628:
In file included from /usr/include/c++/v1/memory:607:
/usr/include/c++/v1/tuple:188:9: error: static_assert failed "Attempted to default construct a reference element in a tuple"
{static_assert(!is_reference<_Hp>::value,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~PR: 229569