Hello for compiled problem

Matthew Knepley knepley at gmail.com
Tue Mar 10 18:46:16 CDT 2009

On Tue, Mar 10, 2009 at 6:38 PM, Wei-Dong Lian <weidong.lian at gmail.com>wrote:

> Hi,
> [--with-shared=0, and do not use --with-dyanmic]
> I compiled petsc and link the static lib with my makefile
> $(PETSC_LIBDIR)/libpetscksp.a $(PETSC_LIBDIR)/libpetscsnes.a
> $(PETSC_LIBDIR)/libpetscvec.a $(PETSC_LIBDIR)/libpetsc.a
> $(PETSC_LIBDIR)/libpetscdm.a $(PETSC_LIBDIR)/libpetscmat.a
> $(PETSC_LIBDIR)/libpetscts.a"

1) You should be using the form Satish suggested at the bottom of this mail

2) ALWAYS always always mail the full error message.


> The result was the same as before. So I really wonder how to link petsc
> with static library? This is useful when I could not generate shared
> library.
> Tomorrow morning I will try the  *setCompilers.py *that you sent me for
> avoiding the error of -PIC. it is 00:37, I will go to sleep.
> See you tomorrow. Good night.
> yours sincerely
> Weidong
> On Tue, Mar 10, 2009 at 10:53 PM, Satish Balay <balay at mcs.anl.gov> wrote:
>> On Tue, 10 Mar 2009, Wei-Dong Lian wrote:
>> > Now I also found a problem for my computer about using petsc.
>> > In my computer, petsc can be compiled successfully without any problem.
>> So I
>> > use the *.so library to link into my programme, it worked very well. But
>> > today I just have a try to link *.a library into my programme and it can
>> not
>> > be compiled successfully.
>> Why do you want to do this? [When shared libraries exist - the
>> compiler prefers then - instead of static. So you should just stick
>> with the compiler default behavior. And if build PETSc with
>> --with-dynamic - then the .a files are useless anyway.]
>> So the shared vs static usage should be chosen at PETSc configure step.
>> [--with-shared=1/0, and do not use --with-dyanmic]
>> So  you should just use:
>> -lpetsccontrib -lpetscts -lpetscsnes -lpetscksp -lpetscdm
>> -lpetscmat -lpetscvec -lpetsc
>> Satish

What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
-- Norbert Wiener
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