[petsc-users] 3.16.4 amd blis libflame linking problem

[Matthew Knepley]

Can you send the 3.9 log?

  Thanks,

     Matt

On Fri, Feb 4, 2022 at 12:00 PM Anton Popov <popov at uni-mainz.de> wrote:

>
> On 04.02.22 17:39, Matthew Knepley wrote:
>
> On Fri, Feb 4, 2022 at 11:35 AM Anton Popov <popov at uni-mainz.de> wrote:
>
>> Hi Satish,
>>
>> I just discovered that PETSc 3.16.4 fails to link against the latest AMD
>> BLIS and LibFLAME libraries on a Linux box.
>>
>>
>> -------------------------------------------------------------------------------
>> You set a value for --with-blas-lib=<lib> and --with-lapack-lib=<lib>,
>> but ['/opt/amd/amd-blis-3.1.0/lib/lp64/libblis.a'] and
>> ['/opt/amd/amd-libflame-3.1.0/lib/lp64/libflame.a'] cannot be used
>>
>> *******************************************************************************
>>
>> My previous experience with 3.9.4 on the same system was fully
>> successful. Looking in the configure logs (attached) reveals small
>> difference in the linking compared to 3.9.4
>>
>> Could you please make a guess what went wrong?
>>
>
> Down in the log I see:
>
> /usr/bin/ld: warning: libgfortran.so.5, needed by
> /opt/amd/amd-libflame-3.1.0/lib/lp64/libflame.so, not found (try using
> -rpath or -rpath-link):
>
> Thanks Matt, I'll try.
>
>
> Did the gfortran library move or get upgraded?
>
> Not at all. I have configured 3.9.4 just now to make a test, and it
> perfectly finds all the libraries. So there must be something that 3.16.4
> does differently.
>
> Best,
>
> Anton
>
>
>   Thanks,
>
>      Matt
>
>
>> Best regards,
>>
>> Anton
>>
>
>
> --
> 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/
> <http://www.cse.buffalo.edu/~knepley/>
>
>

-- 
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/ <http://www.cse.buffalo.edu/~knepley/>
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