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Subject: Re: [OMPI users] VS2008 : linking against OpenMPI: unresolved external symbols
From: Damien (damien_at_[hidden])
Date: 2012-06-25 23:16:11


Really fast off the top of my head, LNK4248 and LNK2020 are
Microsoft-specific C++/CLI warning for managed C++. Are you intending
to use managed C++ in your app? That can do funny things to linker symbols.

Also, you might need to have all three of OMPI_IMPORTS, OPAL_IMPORTS and
ORTE_IMPORTS defined.

Also, make sure you're not set to a 64-bit project type using 32-bit
OpenMPI.

Damien

On 25/06/2012 8:57 PM, Dr AD wrote:
> Hello,
> I installed the windows binaries by running OpenMPI_v1.6-1_win32.exe
> In VS2008 professional I set the following project preferences:
>
> Configuration -> Properties -> Debugging : MPI Cluster Debugger
> MPIRun Working Directory : localhost/NUM PROCS TO LAUNCH
> MPIRun Command: C:\Program
> Files\OpenMPI_v1.6-win32\bin\mpiexec.exe
>
> C/C++ -> Additional Include Directories: C:\Program
> Files\OpenMPI_v1.6-win32\include
> C/C++ -> Preprocessor-> Preprocessor Definitions:
> OMPI_IMPORTS
>
> Linker -> Additioanl Library Directories: C:\Program
> Files\OpenMPI_v1.6-win32\lib
> Linker -> Additional Dependencies:libmpid.lib
> libopen-rted.lib
> libopen-pald.lib
> libmpi_cxxd.lib
>
> I get unresolved external symbols link errors, below:
>
> : warning LNK4248: unresolved typeref token (01000015) for
> 'ompi_datatype_t'; image may not run
> warning LNK4248: unresolved typeref token (01000016) for
> 'ompi_request_t'; image may not run
> f warning LNK4248: unresolved typeref token (01000017) for
> 'ompi_group_t'; image may not run
> warning LNK4248: unresolved typeref token (01000018) for
> 'ompi_communicator_t'; image may not run
> warning LNK4248: unresolved typeref token (01000019) for
> 'ompi_win_t'; image may not run
> warning LNK4248: unresolved typeref token (0100001B) for
> 'ompi_errhandler_t'; image may not run
> warning LNK4248: unresolved typeref token (0100001C) for
> 'ompi_info_t'; image may not run
> warning LNK4248: unresolved typeref token (0100001D) for 'ompi_op_t';
> image may not run
> warning LNK4248: unresolved typeref token (01000022) for
> 'ompi_predefined_communicator_t'; image may not run
>
> error LNK2020: unresolved token (0A0003B5) *ompi_mpi_comm_null*
> error LNK2020: unresolved token (0A000486) *ompi_mpi_comm_world*
> error LNK2028: unresolved token (0A0004AF) "public: __thiscall
> MPI::Comm::Comm(void)" (??0Comm_at_MPI@@$$FQAE_at_XZ) referenced in function
> "public: __thiscall MPI::Intracomm::Intracomm(struct
> ompi_communicator_t *)"
> (??0Intracomm_at_MPI@@$$FQAE_at_PAUompi_communicator_t@@@Z)
> error LNK2001: unresolved external symbol "public: virtual void
> __thiscall MPI::Datatype::Free(void)" (?Free_at_Datatype@MPI@@UAEXXZ)
> error LNK2001: unresolved external symbol "public: virtual void
> __thiscall MPI::Win::Free(void)" (?Free_at_Win@MPI@@UAEXXZ)
> error LNK2001: unresolved external symbol _ompi_mpi_comm_null
> error LNK2019: unresolved external symbol "public: __thiscall
> MPI::Comm::Comm(void)" (??0Comm_at_MPI@@$$FQAE_at_XZ) referenced in function
> "public: __thiscall MPI::Intracomm::Intracomm(struct
> ompi_communicator_t *)"
> (??0Intracomm_at_MPI@@$$FQAE_at_PAUompi_communicator_t@@@Z)
> error LNK2001: unresolved external symbol _ompi_mpi_cxx_op_intercept
> error LNK2001: unresolved external symbol _ompi_mpi_comm_world
>
> Does anyone know how to fix this ? Thank you.
>
>
>
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