[petsc-users] problem with PetscInitialize when moving to 3.19.0

[Danny Lathouwers - TNW]

Hi Matt,

I just solved it :-)
the problem is the ‘only’ in the use statement. After removing it the code compiles and links flawlessly.

Many thanks for your suggestions !

Now off to testing this version.

Danny.



> On 15 Apr 2023, at 13:58, Matthew Knepley <knepley at gmail.com> wrote:
> 
> On Sat, Apr 15, 2023 at 7:48 AM Danny Lathouwers - TNW <D.Lathouwers at tudelft.nl <mailto:D.Lathouwers at tudelft.nl>> wrote:
>> Dear Matt,
>> 
>> Thanks for the quick reply.
>> 
>> This however does not resolve the problem. 
>> It simply cannot find the routine at all during linking.
> 
> Perhaps your link line is wrong. Let's start with a PETSc example. Can you make Vec ex1f90/F90?
> 
>   cd $PETSC_DIR
>   cd src/vec/vec/tutorials/
>   make ex1f90
> 
> That will also show the correct link line.
> 
>   Thanks,
> 
>      Matt
>  
>> Danny.
>> 
>>> On 15 Apr 2023, at 13:41, Matthew Knepley <knepley at gmail.com <mailto:knepley at gmail.com>> wrote:
>>> 
>>> On Sat, Apr 15, 2023 at 7:28 AM Danny Lathouwers - TNW via petsc-users <petsc-users at mcs.anl.gov <mailto:petsc-users at mcs.anl.gov>> wrote:
>>>> Dear community,
>>>> 
>>>> I am transitioning a working Fortran code based on version 3.10.4 to version 3.19.0.
>>>> The code compiles except for one problem during linking where PetscInitialize can no longer be found (undefined reference to `petscinitialize_’).
>>> 
>>> PetscInitialize() only takes the "ierr" argument now.
>>> 
>>>   THanks,
>>> 
>>>     Matt
>>>  
>>>> I am attaching the piece of code where the call is made. Removing the call makes the whole code compile so this is the only error.
>>>> I added the include line of petsc.h as the documentation seems to imply this, but this did not help.
>>>> 
>>>> Any help is appreciated.
>>>> 
>>>> Thanks,
>>>> Danny.
>>>> 
>>> 
>>> 
>>> -- 
>>> What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.
>>> -- Norbert Wiener
>>> 
>>> https://www.cse.buffalo.edu/~knepley/ <https://urldefense.com/v3/__http://www.cse.buffalo.edu/*knepley/__;fg!!PAKc-5URQlI!-OWBkqVFDqAI4Ms8gzTOWnpwMl_4z-6mzQx4Sfmovxf0fGt2LSm-EvjTkgVLql5Zdd9d3sj65tOuHy_oRVcv$>
>> 
> 
> 
> -- 
> 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
> 
> https://www.cse.buffalo.edu/~knepley/ <https://urldefense.com/v3/__http://www.cse.buffalo.edu/*knepley/__;fg!!PAKc-5URQlI!_K9dpY4jEyDTnDs5tI9e-eZsOqoMPtUAE7xPBnDp7NCsKd4e7wdEZwuIMuVCzUNCSzAcfrWdYr_XlEb8J70_$>

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