unresolved external symbol when building on Windows

[King of Hearts <kingofhearts168@xxxxxxxxx>]

I got a bunch of errors like below when building from source on Windows. My python version is 3.11. No change if I switch to 3.9. Would appreciate any pointer. -- Andy

"C:\Users\test\source\repos\postgresql\pgsql.sln" (default target) (1) ->
"C:\Users\test\source\repos\postgresql\plpython3.vcxproj" (default target) (74) ->(Link target) ->
  plpy_cursorobject.obj : error LNK2019: unresolved external symbol __imp__PyExc_StopIteration referenced in function _PLy_cursor_plan [C:\Users\test\source\repos\postgresql\plpython3.vcxproj]

...

  plpy_util.obj : error LNK2019: unresolved external symbol __imp__PyUnicode_FromStringAndSize referenced in function _PLyUnicode_FromString [C:\Users\test\source\repos\postgresql\plpython3.vcxproj]
  plpy_util.obj : error LNK2019: unresolved external symbol __imp__PyUnicode_FromString referenced in function _PLyUnicode_FromString [C:\Users\test\source\repos\postgresql\plpython3.vcxproj]
  plpy_util.obj : error LNK2019: unresolved external symbol __imp__PyUnicode_AsUTF8String referenced in function _PLyUnicode_Bytes [C:\Users\test\source\repos\postgresql\plpython3.vcxproj]
  .\Release\plpython3\plpython3.dll : fatal error LNK1120: 76 unresolved externals [C:\Users\test\source\repos\postgresql\plpython3.vcxproj]