net/mpich2: libraries with many 'undefined symbols'
thierry at FreeBSD.org
Wed Feb 2 21:52:11 UTC 2011
Le mer 2 fév 11 à 21:54:34 +0100, Rainer Hurling <rhurlin at gwdg.de>
> Dear list,
> since there is no maintainer for net/mpich2 I am writing directly to the
> list. Hope this is ok.
> I need MPICH2 for math/R (package Rmpi) and others (e.g. upcoming new
> package math/sprng, PR 154249). Software using MPICH2 complains about
> 'undefined symbols' like 'MPL_trfree'.
> Looking into libmpich.so.2.0 (after building net/mpich2), it shows many
> undefined symbols (symbol names are stripped in installed version?):
> nm work/mpich2-1.3/lib/libmpich.so.2.0 | grep " U "
> U MPL_TrSetMaxMem
> U MPL_env2bool
> U MPL_env2int
> U MPL_env2range
> U MPL_env2str
> U MPL_trDebugLevel
> U MPL_trcalloc
> U MPL_trdump
> U MPL_trfree
> U MPL_trid
These symbols belong to libmpl:
nm -A /usr/local/lib/libmpl.a | grep MPL_
So you have to link with -lmpl (and maybe with -lopa too).
Another solution could be to link with mpicc and friends instead of
gcc/g++/gfortran, as these wrappers set the correct flags and link to
the correct libraries as required.
Yet another solution could be to configure mpich2 with
--enable-lib-depend, but this is experimental...
BTW, a new version has been released, and I have plan to upgrade it
after the ports thaw.
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