[Mesa-users] Problems at ./mk stage

[Mathieu Renzo]

Hi Emma,

I am not sure this is related to your issue, but back then I found a 
dirty workaround to save photos and models from the run_star_extras.f. 
For anyone reading now, *this is not the recommended way* *to do this*.

To be able to  save a model at a physical point of the evolution not 
known a priori from the run_star_extras.f, I copied `write_mode.mod` and 
`kuma.mod` from `$MESA_DIR/star/make` into `$MESA_DIR/include`. This 
allows me to call `output_star_model` in the subroutine 
`output_to_file`. This is described at the bottom of page 28 (bottom of 
right column) of the paper associated to those simulations 
<https://www.aanda.org/articles/aa/full_html/2017/07/aa30698-17/aa30698-17.html>.

It might be that this is giving you issues when compiling (because the 
run_star_extras calls a function which is not accessible by default). My 
apologies for the cumbersomeness!

Also, depending on the science application you have in mind, you might 
not need the very high resolution I used (especially on the 
main-sequence) for that paper, and you might be able to save a lot of 
CPUh without sacrifising much accuracy decreasing it.

For those interested, nowadays I save models from the run_star_extras 
without the need to copy *.mod files in $MESA_DIR/include by calling 
`call star_write_model`.

Hope this helps!
Mathieu


On 1/25/22 16:21, Emma Beasor via Mesa-users wrote:
> Hi Warrick
>
> I've attached the run_stars_extra, it actually just comes from the Renzo+
> inlists (https://stellarcollapse.org/Renzo2017.html) and I haven't started
> changing anything yet. I can't spot a typo but I'll keep digging.. I'm
> running on MacOS Mojave.
>
> Cheers
> Emma
>
> On Tue, Jan 25, 2022 at 1:28 PM Warrick Ball<W.H.Ball at bham.ac.uk>  wrote:
>
>> Hi Emma,
>>
>> Could you attach your `run_star_extras.f`?  And hat sort of system is this
>> (Mac/Linux, OS version)?  It looks like you're trying to call a procedure
>> you haven't defined, so check for a typo in the procedure name.  Also, try
>> running `./clean` before `./mk` in your work folder (if you haven't
>> already).
>>
>> Cheers,
>> Warrick
>>
>> ___________
>>
>> Warrick Ball
>> Postdoc, School of Physics and Astronomy
>> University of Birmingham, Edgbaston, Birmingham B15 2TT
>> W.H.Ball at bham.ac.uk
>> +44 (0)121 414 4552
>>
>> On Tue, 25 Jan 2022,mesa-users at lists.mesastar.org  wrote:
>>
>>> Hi everyone
>>> I'm trying to run models using MESA v7624 which has been installed using
>> the correct SDK with no issues. However, when I try to compile my model
>> with ./mk I get the following error:
>>> Undefined symbols for architecture x86_64:
>>>
>>>    "_output_star_model_", referenced from:
>>>
>>>        _output_to_file.10484 in run_star_extras.o
>>>
>>> ld: symbol(s) not found for architecture x86_64
>>>
>>> collect2: error: ld returned 1 exit status
>>>
>>> make: *** [star] Error 1
>>>
>>>
>>> FAILED
>>>
>>>
>>> I'm a bit stumped about what this means (but I'm assuming it's something
>> fortran-y?), so any suggestions would be super helpful!
>>>
>>> Cheers
>>>
>>> Emma
>>>
>>>
>>>
>
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-- 
Mathieu Renzo <https://users.flatironinstitute.org/~mrenzo/>
Flatiron Research Fellow
Center for Computational Astrophysics
Columbia University
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