Bug#612621: ERROR: SCOTCH_dgraphInit: linking with both libScotch and libPTScotch is not allowed

[Adam C Powell IV]

Hi Johannes,

On Mon, 2011-03-28 at 13:44 +0200, Johannes Ring wrote:
> On Mon, Mar 28, 2011 at 12:56 PM, Pierre Saramito
> <Pierre.Saramito at imag.fr> wrote:
> > Hello !
> >
> > Despite the recent patch applied in version 5.1.11.dfgs-4,
> > the bug seems to be still present on sid/amd64 :
> 
> Yes, I also noticed that. I have reopened the bug now.
> 
> >    uname -a
> >        Linux mobydick 2.6.32-5-amd64 #1 SMP Wed Jan 12 03:40:32 UTC 2011 x86_64 GNU/Linux
> >
> >    apt-cache policy libptscotch-dev
> >    libptscotch-dev:
> >      Installé : 5.1.11.dfsg-4
> >      Candidat : 5.1.11.dfsg-4
> >     Table de version :
> >     *** 5.1.11.dfsg-4 0
> >        500 http://ftp.fr.debian.org/debian/ sid/main amd64 Packages
> >        100 /var/lib/dpkg/status
> >
> >
> >    mpic++ -o ptscotch_test ptscotch_test.cpp -DSCOTCH_PTSCOTCH -I/usr/include/scotch -lptscotch -lptscotcherr
> >    ./ptscotch_test
> >        (0): ERROR: SCOTCH_dgraphInit: linking with both libScotch and libPTScotch is not allowed
> >        MPI implementation is not thread-safe:
> >        SCOTCH should be compiled without SCOTCH_PTHREAD
> >
> > Yet, scotch library is unusable...
> > Any idea to get free from this problem ?
> 
> Yes, applying the attached patch to the git repository and rebuilding
> the package fixes the problem for me.
> 
> Adam: Thanks for your work on this package! Could you please
> incorporate this fix in the next upload?

Sure, thanks for the patch.  Oh wait -- I think the libscotch$(LIB)
dependency and -lscotch linkage were needed for binutils-gold, have you
tested the patch with binutils-gold?

There's also a lex-related FTBFS bug (just filed) which I'll need to
hunt down, and won't have time until the weekend or maybe next week, so
it will be a little while before the next upload. :-(

That said, if someone else fixes the FTBFS, I'll upload sooner.

-Adam
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