[petsc-users] PETSc options

[Pierre Jolivet]

> On 6 May 2024, at 3:14 PM, Matthew Knepley <knepley at gmail.com> wrote:
> 
> This Message Is From an External Sender
> This message came from outside your organization.
> On Mon, May 6, 2024 at 1:04 AM Adrian Croucher <a.croucher at auckland.ac.nz <mailto:a.croucher at auckland.ac.nz>> wrote:
>> This Message Is From an External Sender
>> This message came from outside your organization.
>>  
>> hi,
>> 
>> My code has some optional command line arguments -v and -h for output of 
>> version number and usage help. These are processed using Fortran's 
>> get_command_argument().
>> 
>> Since updating PETSc to version 3.21, I get some extra warnings after 
>> the output:
>> 
>> acro018 at EN438880:~$ waiwera -v
>> 1.5.0b1
>> WARNING! There are options you set that were not used!
>> WARNING! could be spelling mistake, etc!
>> There is one unused database option. It is:
>> Option left: name:-v (no value) source: command line
>> 
>> That didn't used to happen. What should I do to make them go away?
> 
> Hi Adrian,
> 
> Barry and Mark's suggestions will make this go away. However, it should not happen
> in the first place.

It should happen if Adrian was previously not using 3.19.X or below.
See https://urldefense.us/v3/__https://gitlab.com/petsc/petsc/-/merge_requests/6601__;!!G_uCfscf7eWS!ZTd_vYQ25gBqyomaus8Y3ZvnKjc8AdhWKmEE3UIP1XKXce16F5mXog_qr60phhd9LqIo6_dzVSLpfzONhaDkQA$ 

Thanks,
Pierre

> We should try to figure this out.
> 
> This warning is usually activated by the -options_left argument. Could that be in the
> PETSC_OPTIONS env variable, or in ~/.petscrc?
> 
>   Thanks,
> 
>      Matt
>  
>> Regards, Adrian
>> 
>> -- 
>> Dr Adrian Croucher
>> Senior Research Fellow
>> Department of Engineering Science
>> Waipapa Taumata Rau / University of Auckland, New Zealand
>> email: a.croucher at auckland.ac.nz <mailto:a.croucher at auckland.ac.nz>
>> tel: +64 (0)9 923 4611
>> 
> 
> 
> -- 
> What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.
> -- Norbert Wiener
> 
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