Re: [Boost-users] [context/coroutine] DLL link errors in VS2015

Subject: Re: [Boost-users] [context/coroutine] DLL link errors in VS2015
From: Oliver Kowalke (oliver.kowalke_at_[hidden])
Date: 2017-02-24 06:48:08

Please try to use the boost.context code from branch develop (github) - I
think it is related to see #41 (boost.context)

2017-02-24 7:19 GMT+01:00 Gavin Lambert via Boost-users <
boost-users_at_[hidden]>:

> On 24/02/2017 14:20, I wrote:
>
>> On 23/02/2017 14:18, I wrote:
>>
>>> On 22/02/2017 21:05, Oliver Kowalke wrote:
>>>
>>>> At the moment I've no Windows system to test it, but the error might be
>>>> caused by a missing export statement.
>>>>
>>>> In execution_context_v1.hpp change the code to:
>>>>
>>>> struct BOOST_CONTEXT_DECL activation_record ...
>>>> struct BOOST_CONTEXT_DECL activation_record_initializer ...
>>>>
>>>
>>> Boost 1.60 doesn't have that file.  But making those changes in
>>> execution_context.ipp causes the errors mentioned in
>>> https://svn.boost.org/trac/boost/ticket/11365 ie. being incompatible
>>> with thread_local (thread locals need to be behind a pimpl wall; they
>>> can't be exported directly).
>>>
>>> I'm about to try updating to 1.63 anyway, so we'll see how that goes, I
>>> guess.
>>>
>>
>> Good news: looks like this isn't an issue any more with Boost 1.63.  My
>> apologies for the noise.
>>
>
> Although now I have a related-but-different problem.
>
>         typedef boost::coroutines2::coroutine<void>::push_type coroutine;
>
>         std::vector<coroutine> coros;
>         coros.emplace_back(std::bind(std::forward<F>(f), i,
> std::placeholders::_1));
>         // where f is a template functor&& and i is a template iterator
>
> This code compiles fine in:
>   - VS2013 (Windows, Boost 1.55, coroutines1)
>   - VS2015 (Windows, Boost 1.55, coroutines1)
>   - GCC 4.8.2 (Linux, Boost 1.55, coroutines1)
>   - VS2015 (Windows, Boost 1.63, coroutines1 & coroutines2)
>   - GCC 4.8.2 (Linux, Boost 1.63, coroutines1)
>
> But using GCC with Boost 1.63 and coroutines2 I get some quite verbose
> errors that I'm having trouble making sense of.  (Clang 3.4 gives a similar
> error.)  Is this a bug or am I doing something weird?
>
> /mnt/ThirdParty/boost/boost_1_63_0/include/boost/context/exe
> cution_context_v2_void.ipp:55:99: error: no matching function for call to
> 'apply(std::decay<std::_Bind<boost::coroutines2::detail::pus
> h_coroutine<void>::control_block::control_block(boost::context::preallocated,
> StackAllocator, Fn&&) [with StackAllocator = boost::context::basic_fixedsiz
> e_stack<boost::context::stack_traits>; Fn = std::_Bind<{anonymous}::Test::
> Method()::__lambda8(std::reference_wrapper<std::pair<const
> {anonymous}::Address, std::vector<{anonymous}::Data> > >,
> std::_Placeholder<1>)>]::__lambda7(std::_Bind<{anonymous}::
> Test::Method()::__lambda8(std::reference_wrapper<std::pair<const
> {anonymous}::Address, std::vector<{anonymous}::Data> > >,
> std::_Placeholder<1>)>, std::_Placeholder<1>)> >::type&,
> std::__tuple_cat_result<std::tuple<>&, std::tuple<boost::context::execution_context<void>&&>
> >::__type)'
>          Ctx cc = apply( fn_, std::tuple_cat( params_,
> std::forward_as_tuple( std::move( from) ) ) );
>
>
>                            ^
> /mnt/ThirdParty/boost/boost_1_63_0/include/boost/context/exe
> cution_context_v2_void.ipp:55:99: note: candidate is:
> /mnt/ThirdParty/boost/boost_1_63_0/include/boost/context/detail/apply.hpp:54:1:
> note: template<class Fn, class Tpl> decltype (boost::context::detail::apply_impl(forward<Fn>(fn),
> forward<Tpl>(tpl), boost::context::detail::make_i
> ndex_sequence<std::tuple_size<typename std::decay<_Tp2>::type>::value>{}))
> boost::context::detail::apply(Fn&&, Tpl&&)
>  apply( Fn && fn, Tpl && tpl)
>
>  ^
> /mnt/ThirdParty/boost/boost_1_63_0/include/boost/context/detail/apply.hpp:54:1:
> note:   template argument deduction/substitution failed:
> /mnt/ThirdParty/boost/boost_1_63_0/include/boost/context/detail/apply.hpp:
> In substitution of 'template<class Fn, class Tpl> decltype
> (boost::context::detail::apply_impl(forward<Fn>(fn), forward<Tpl>(tpl),
> boost::context::detail::make_index_sequence<std::tuple_size<typename
> std::decay<_Tp2>::type>::value>{})) boost::context::detail::apply(Fn&&,
> Tpl&&) [with Fn = std::_Bind<boost::coroutines2:
> :detail::push_coroutine<void>::control_block::control_block(boost::context::preallocated,
> StackAllocator, Fn&&) [with StackAllocator = boost::context::basic_fixedsiz
> e_stack<boost::context::stack_traits>; Fn = std::_Bind<{anonymous}::Test::
> Method()::__lambda8(std::reference_wrapper<std::pair<const
> {anonymous}::Address, std::vector<{anonymous}::Data> > >,
> std::_Placeholder<1>)>]::__lambda7(std::_Bind<{anonymous}::
> Test::Method()::__lambda8(std::reference_wrapper<std::pair<const
> {anonymous}::Address, std::vector<{anonymous}::Data> > >,
> std::_Placeholder<1>)>, std::_Placeholder<1>)>&; Tpl =
> std::tuple<boost::context::execution_context<void>&&>]':
> /mnt/ThirdParty/boost/boost_1_63_0/include/boost/context/exe
> cution_context_v2_void.ipp:55:99:   required from
> 'boost::context::detail::transfer_t boost::context::detail::record_void<Ctx,
> StackAlloc, Fn, Params>::run(boost::context::detail::transfer_t) [with
> Ctx = boost::context::execution_context<void>; StackAlloc =
> boost::context::basic_fixedsize_stack<boost::context::stack_traits>; Fn =
> std::_Bind<boost::coroutines2::detail::push_coroutine<void>:
> :control_block::control_block(boost::context::preallocated,
> StackAllocator, Fn&&) [with StackAllocator = boost::context::basic_fixedsiz
> e_stack<boost::context::stack_traits>; Fn = std::_Bind<{anonymous}::Test::
> Method()::__lambda8(std::reference_wrapper<std::pair<const
> {anonymous}::Address, std::vector<{anonymous}::Data> > >,
> std::_Placeholder<1>)>]::__lambda7(std::_Bind<{anonymous}::
> Test::Method()::__lambda8(std::reference_wrapper<std::pair<const
> {anonymous}::Address, std::vector<{anonymous}::Data> > >,
> std::_Placeholder<1>)>, std::_Placeholder<1>)>; Params = {}]'
>
>
>
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