py-torch fails with Python 3.14

[John Klos <john%klos.com@localhost>]

Hi,

When Python 3.14 is installed and is used, math/py-torch fails with:

[ 95%] Building C object 
caffe2/torch/CMakeFiles/torch_python.dir/csrc/dynamo/cpython_defs.c.o
/usr/pkgsrc/math/py-torch/work/pytorch-v2.8.0/torch/csrc/dynamo/cpython_defs.c:25:2: 
error: #error "Please ensure that the functions below still match the 
CPython implementation for 3.14"
   25 | #error "Please ensure that the functions below still match the 
CPython implementation for 3.14"
      |  ^~~~~
In file included from 
/usr/pkgsrc/math/py-torch/work/pytorch-v2.8.0/torch/csrc/dynamo/cpython_defs.c:3:
/usr/pkgsrc/math/py-torch/work/pytorch-v2.8.0/torch/csrc/dynamo/cpython_defs.c: 
In function 'THP_PyFrame_MakeAndSetFrameObject':
/usr/pkgsrc/math/py-torch/work/pytorch-v2.8.0/torch/csrc/dynamo/cpython_defs.c:102:16: 
error: invalid use of incomplete typedef '_PyInterpreterFrame' {aka 
'struct _PyInterpreterFrame'}
  102 |     CHECK(frame->frame_obj == NULL);
      |                ^~
/usr/pkgsrc/math/py-torch/work/pytorch-v2.8.0/torch/csrc/dynamo/debug_macros.h:18:39: 
note: in definition of macro 'unlikely'
   18 | #define unlikely(x) __builtin_expect((x), 0)
      |                                       ^
/usr/pkgsrc/math/py-torch/work/pytorch-v2.8.0/torch/csrc/dynamo/cpython_defs.c:102:5: 
note: in expansion of macro 'CHEC'
  102 |     CHECK(frame->frame_obj == NULL);
      |     ^~~~~
In file included from 
/usr/pkgsrc/math/py-torch/work/pytorch-v2.8.0/torch/csrc/dynamo/cpython_defs.c:2:
/usr/pkgsrc/math/py-torch/work/pytorch-v2.8.0/torch/csrc/dynamo/cpython_includes.h:34:38: 
error: invalid use of incomplete typedef '_PyInterpreterFrame' {aka 
'struct _PyInterpreterFrame'}
   34 | #define F_CODE(x) ((PyCodeObject*)(x)->f_executable)
      |                                      ^~

and so on.

Is there a simple fix, or should this be set to python <= 3.13?

John