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List:       boost-bugs
Subject:    Re: [Boost-bugs] [Boost C++ Libraries] #10998: Error: Boost_MPI send(): explicit specialization must
From:       "Boost C++ Libraries" <noreply () lists ! boost ! org>
Date:       2016-12-15 16:18:44
Message-ID: 057.84ac1d40c7f687cbddc8dd7990a1a5ef () lists ! boost ! org
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#10998: Error: Boost_MPI send(): explicit specialization must precede its first use
-------------------------------+---------------------
  Reporter:  anonymous         |      Owner:  troyer
      Type:  Support Requests  |     Status:  new
 Milestone:  To Be Determined  |  Component:  mpi
   Version:  Boost 1.55.0      |   Severity:  Problem
Resolution:                    |   Keywords:
-------------------------------+---------------------

Comment (by tferguson):

 I have experienced the same issue in Boost 1.61.0 using the Intel 16
 compiler.  This error is not encountered when using GCC 5.3.0.  I have
 found that I can remove the error if I move the function declarations for:

 communicator::send_impl

 communicator::recv_impl

 communicator::isend_impl

 communicator::irecv_impl

 communicator::array_send_impl

 communicator::array_recv_impl

 communicator::array_isend_impl

 in communicator.hpp to '''after''' the specialization lines (marked as
 INTERNAL ONLY, around lines 1600-1700), then the error is no longer
 experienced and the code compiles.

 The source of the error appears to be that the above functions instantiate
 send/recv objects using packed_oarchive and packed_iarchive types, then
 the specialization becomes redundant according to the compiler and an
 error is encountered when reading the communicator.hpp header.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/10998#comment:1>
Boost C++ Libraries <http://www.boost.org/>
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