[Mesa-users] Unable to add extra heating to stars

[Sayed Shafaat Mahmud '26]

Hello,

I am trying to adapt codes from a paper and add extra heating to my stellar
evolution model. However, whenever I try to make the file (./mk), I run
into the following problem:

*➜  **work* ./mk

gfortran -Wno-uninitialized -fno-range-check -fmax-errors=7  -fprotect-parens
-fno-sign-zero -fbacktrace -ggdb -finit-real=snan -fopenmp -fbounds-check
-Wuninitialized -Warray-bounds -ggdb -ffree-form -ffree-line-length-none -x
f95-cpp-input -I/Users/jareddiks/Downloads/mesa-r21.12.1/include -I../src
-c ../src/run_star_extras.f90

*../src/run_star_extras.f90:103:36:*


  103 |              s% d_extra_heat_dlnR00(k) = 0d0

      |                                    *1*

*Error:* '*d_extra_heat_dlnr00*' at *(1)* is not a member of the '
*star_info*' structure; did you mean '*extra_heat*'?

*../src/run_star_extras.f90:104:36:*


  104 |              s% d_extra_heat_dlnRp1(k) = 0.

      |                                    *1*

*Error:* '*d_extra_heat_dlnrp1*' at *(1)* is not a member of the '
*star_info*' structure; did you mean '*extra_heat*'?

*../src/run_star_extras.f90:105:36:*


  105 |              s% d_extra_heat_dlndm1(k) = 0.

      |                                    *1*

*Error:* '*d_extra_heat_dlndm1*' at *(1)* is not a member of the '
*star_info*' structure; did you mean '*extra_heat*'?

*../src/run_star_extras.f90:106:36:*


  106 |              s% d_extra_heat_dlnd00(k) = 0.

      |                                    *1*

*Error:* '*d_extra_heat_dlnd00*' at *(1)* is not a member of the '
*star_info*' structure; did you mean '*extra_heat*'?

*../src/run_star_extras.f90:107:36:*


  107 |              s% d_extra_heat_dlndp1(k) = 0.

      |                                    *1*

*Error:* '*d_extra_heat_dlndp1*' at *(1)* is not a member of the '
*star_info*' structure; did you mean '*extra_heat*'?

*../src/run_star_extras.f90:109:36:*


  109 |              s% d_extra_heat_dlnTm1(k) = 0.

      |                                    *1*

*Error:* '*d_extra_heat_dlntm1*' at *(1)* is not a member of the '
*star_info*' structure; did you mean '*extra_heat*'?

*../src/run_star_extras.f90:110:36:*


  110 |              s% d_extra_heat_dlnT00(k) = 0.

      |                                    *1*

*Error:* '*d_extra_heat_dlnt00*' at *(1)* is not a member of the '
*star_info*' structure; did you mean '*extra_heat*'?

compilation terminated due to -fmax-errors=7.

make: *** [run_star_extras.o] Error 1


FAILED


I'm guessing the following problem may be due to a version error. I've
looked into the MESA change log but I'm not sure how to get rid of this
error.


Is there any way I might just find a workaround/avoid it?  That would be
really helpful.


Thank you!


Regards,

Shafaat
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