[Mesa-users] Installing problems on Mac running Tahoe

[Richard Townsend]

Hi Grant —

It could be that the MESA SDK isn’t installed properly. Can you post the output from the commands

mesasdk_version

and

gfortran -v

cheers,

Rich


> On Sep 30, 2025, at 5:13 AM, Grant via Mesa-users <mesa-users at lists.mesastar.org> wrote:
> 
> Hi All,
> 
> Anyone else having problems installing MESA under the new macOS Tahoe?
> 
> I die at the math module installation:
> 
> <<<<<<<<<. 
> /Users/1105/mesa-r24.08.1/math
> building math package.
> 
> COMPILE_CMD ../public/math_def.f90
> COMPILE_CMD ../private/math_io.f90
> COMPILE_CMD ../private/math_pown.f90
> COMPILE_CMD ../public/math_lib_crmath.f90
> ../public/math_lib_crmath.f90:37:7:
> 
>    37 |   use crmath
>       |       1
> Fatal Error: Cannot open module file 'crmath.mod' for reading at (1): No such file or directory
> compilation terminated.
> make: *** [math_lib_crmath.o] Error 1
> 
> /Users/1105/mesa-r24.08.1/math/make
> FAILED
> 
> 
> /Users/1105/mesa-r24.08.1/math
> ./build_and_test FAILED
> >>>>>>>>>
> 
> I have seen this error in some emails from a few months back but the fixes there don't work for me.
> 
> Anyone had this problem - specifically under Tahoe?
> 
> Regards,
> 
> Grant
> _______________________________________________
> mesa-users at lists.mesastar.org
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> 

--
Rich Townsend • Professor of Astronomy
Astronomy Department • University of Wisconsin-Madison
Phone: 608-262-1752 • E-mail: rhtownsend at wisc.edu