Build failure on 3.14 Linux no-GIL

[clin1234]

...
      running build_ext
      building 'aiohttp._websocket' extension
      creating build/temp.linux-x86_64-cpython-314t
      creating build/temp.linux-x86_64-cpython-314t/aiohttp
      x86_64-linux-gnu-gcc -fno-strict-overflow -Wsign-compare -DNDEBUG -g -O2 -Wall -g -flto=auto -ffat-lto-objects -flto=auto -ffat-lto-objects -fstack-protector-strong -Wformat -Werror=format-security -fPIC -I/workspaces/venv/include -I/usr/include/python3.14t -c aiohttp/_websocket.c -o build/temp.linux-x86_64-cpython-314t/aiohttp/_websocket.o
      aiohttp/_websocket.c:1915:80: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
       1915 | static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw);
            |                                                                                ^~~~~~~~~~~~~~~~~~~~
            |                                                                                vectorcallfunc
      aiohttp/_websocket.c: In function ‘__pyx_pf_7aiohttp_10_websocket__websocket_mask_cython’:
      aiohttp/_websocket.c:3094:3: warning: ‘Py_OptimizeFlag’ is deprecated [-Wdeprecated-declarations]
       3094 |   if (unlikely(__pyx_assertions_enabled())) {
            |   ^~
      In file included from /usr/include/python3.14t/Python.h:73,
                       from aiohttp/_websocket.c:16:
      /usr/include/python3.14t/cpython/pydebug.h:13:37: note: declared here
         13 | Py_DEPRECATED(3.12) PyAPI_DATA(int) Py_OptimizeFlag;
            |                                     ^~~~~~~~~~~~~~~
      aiohttp/_websocket.c: At top level:
      aiohttp/_websocket.c:5210:69: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
       5210 | static PyObject *__Pyx_PyVectorcall_FastCallDict_kw(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
            |                                                                     ^~~~~~~~~~~~~~~~~~~~
            |                                                                     vectorcallfunc
      aiohttp/_websocket.c:5255:80: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
       5255 | static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
            |                                                                                ^~~~~~~~~~~~~~~~~~~~
            |                                                                                vectorcallfunc
      aiohttp/_websocket.c: In function ‘__Pyx_CyFunction_CallAsMethod’:
      aiohttp/_websocket.c:5944:6: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
       5944 |      __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
            |      ^~~~~~~~~~~~~~~~~~~~
            |      vectorcallfunc
      aiohttp/_websocket.c:2005:45: warning: initialization of ‘int’ from ‘vectorcallfunc’ {aka ‘struct _object * (*)(struct _object *, struct _object * const*, long unsigned int,  struct _object *)’} makes integer from pointer without a cast [-Wint-conversion]
       2005 | #define __Pyx_CyFunction_func_vectorcall(f) (((PyCFunctionObject*)f)->vectorcall)
            |                                             ^
      aiohttp/_websocket.c:5944:32: note: in expansion of macro ‘__Pyx_CyFunction_func_vectorcall’
       5944 |      __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
            |                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      aiohttp/_websocket.c:5947:16: warning: implicit declaration of function ‘__Pyx_PyVectorcall_FastCallDict’; did you mean ‘__Pyx_PyObject_FastCallDict’? [-Wimplicit-function-declaration]
       5947 |         return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
            |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            |                __Pyx_PyObject_FastCallDict
      aiohttp/_websocket.c:5947:16: warning: returning ‘int’ from a function with return type ‘PyObject *’ {aka ‘struct _object *’} makes pointer from integer without a cast [-Wint-conversion]
       5947 |         return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
            |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for aiohttp
Failed to build aiohttp
ERROR: ERROR: Failed to build installable wheels for some pyproject.toml based projects (aiohttp)

[Dreamsorcerer]

3.14? There isn't even an alpha release yet...
We use Cython, so it won't build until Cython supports the version, which probably won't happen until it's ABI stable and approaching a release canditate (i.e. a long time away).