Undefined symbol in executing time

Matthew Knepley knepley at gmail.com
Tue Oct 24 14:17:04 CDT 2006

To look for build errors, consult the file $PETSC_DIR/make_log_*, or
send it to us.



On 10/24/06, Isabel Gil <misabel at litec.csic.es> wrote:
> Hello PETSc's users!
> I am trying to use PETSc for the first time along with another library.
> I compile my program without any problem but when I try to execute it,
> in a parallel way, I obtain the following error:
> "symbol lookup error:
> /path_where_PETSc_is_installed/petsc-2.2.1
> /lib/libg_c++/linux-gnu/libpetscmat.so:
> undefined symbol: PETSC_COMM_SELF"
> I have used the command "nm" and ,effectively, this symbol is undefined.
> I don't really know where the problem is. I am using version 2.2.1
> Any help and advice will be welcome
> Thanks in advance
> Isa

"Failure has a thousand explanations. Success doesn't need one" -- Sir Alec
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