[Ipopt] Linking Ipopt to MPI code

[Damien]

  Uwe,

Are you using MUMPS?  That has fake MPI headers for the sequential 
version in IPOPT and that doesn't play nicely with real MPI libraries.

Damien

On 12/10/2010 8:51 AM, Uwe Sander wrote:
>    Hi folks,
>
> I have an existing C++/MPI code and would like to combine it with Ipopt.
> I have added the necessary inlcude files and libraries to my Makefile,
> without adding any Ipopt code to my source files yet. Unfortunately, I
> noticed the following: As soon as I link the ipopt library to my
> project, the code does not run properly. It still compiles without
> errors, but on execution I get the error message
>
> "MPI_COMM_WORLD rank 0 has terminated without calling MPI_Finalize()".
>
> If I compile the same code without the "-lipopt" option for the linker,
> the program runs fine.
>
> I doubt that error arises from the MPI code since I tested this with a
> very basic program that consisted of only four MPI steps: MPI_Init,
> MPI_Comm_size, MPI_Comm_rank, and MPI_Finalize. Here, I have the same
> problem as above.
>
> Any ideas on this?
>
>
> Thanks,
> Uwe
>
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