GCC compiler error: lvalue required as increment operand

[okorpela]

I can't compile hoedown on Ubuntu 22.04.2 LTS.

I tried to clone the source code (commit id ea875e6) and run command "pip install ."

I got GCC compiler errors for file hoedownpy/hoedown.c:

  hoedownpy/hoedown.c: In function ‘__pyx_tp_dealloc_7hoedown_BaseRenderer’:
  hoedownpy/hoedown.c:4501:5: error: lvalue required as increment operand
   4501 |     ++Py_REFCNT(o);
        |     ^~
  hoedownpy/hoedown.c:4503:5: error: lvalue required as decrement operand
   4503 |     --Py_REFCNT(o);
        |     ^~
  hoedownpy/hoedown.c: In function ‘__pyx_tp_dealloc_7hoedown_Markdown’:
  hoedownpy/hoedown.c:4762:5: error: lvalue required as increment operand
   4762 |     ++Py_REFCNT(o);
        |     ^~
  hoedownpy/hoedown.c:4764:5: error: lvalue required as decrement operand
   4764 |     --Py_REFCNT(o);
        |     ^~
  hoedownpy/hoedown.c: In function ‘__Pyx_modinit_type_init_code’:
  hoedownpy/hoedown.c:5164:34: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
   5164 |   __pyx_type_7hoedown_SmartyPants.tp_print = 0;
        |                                  ^
  hoedownpy/hoedown.c:5172:35: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
   5172 |   __pyx_type_7hoedown_BaseRenderer.tp_print = 0;
        |                                   ^
  hoedownpy/hoedown.c:5181:35: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
   5181 |   __pyx_type_7hoedown_HtmlRenderer.tp_print = 0;
        |                                   ^
  hoedownpy/hoedown.c:5190:38: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
   5190 |   __pyx_type_7hoedown_HtmlTocRenderer.tp_print = 0;
        |                                      ^
  hoedownpy/hoedown.c:5198:31: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
   5198 |   __pyx_type_7hoedown_Markdown.tp_print = 0;

error.txt