Python 3.10 cffi build fails

[RobertFlatt]

Checklist

• [ x] the issue is indeed a bug and not a support request
• [ x] issue doesn't already exist: https://github.com/kivy/python-for-android/issues
• [ x] I have a short, runnable example that reproduces the issue
• [x ] I reproduced the problem with the latest development version (p4a.branch = develop)
• [ x] I used the grave accent (aka backticks) to format code or logs when appropriated

Versions

• Python: 2.10.6 (OS)
• OS: Ubuntu 22.04.2
• Kivy: 2.2.0
• Cython: 0.29.33
• OpenJDK:

Description

p4a v2023.5.21 build of cffi fails

buildozer.spec

Spec file:

requirements = python3,kivy, cffi

Logs

/home/bobf/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang -target aarch64-linux-android21 -fomit-frame-pointer -march=armv8-a -fPIC -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -target aarch64-linux-android21 -fomit-frame-pointer -march=armv8-a -fPIC -I/home/bobf/ex/hello/.buildozer/android/platform/build-arm64-v8a/build/other_builds/libffi/arm64-v8a__ndk_target_21/libffi/include -I/home/bobf/ex/hello/.buildozer/android/platform/build-arm64-v8a/build/other_builds/python3/arm64-v8a__ndk_target_21/python3/Include -DANDROID -I/home/bobf/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include -I/home/bobf/ex/hello/.buildozer/android/platform/build-arm64-v8a/build/python-installs/apptest/arm64-v8a/include/python3.1 -fPIC -DUSE__THREAD -DHAVE_SYNC_SYNCHRONIZE -I/home/bobf/ex/hello/.buildozer/android/platform/build-arm64-v8a/build/other_builds/hostpython3/desktop/hostpython3/Include -I/home/bobf/ex/hello/.buildozer/android/platform/build-arm64-v8a/build/other_builds/hostpython3/desktop/hostpython3/native-build -c c/_cffi_backend.c -o build/temp.linux-x86_64-3.10/c/_cffi_backend.o
c/_cffi_backend.c:407:23: error: expression is not assignable
        Py_REFCNT(ct) = 43;
        ~~~~~~~~~~~~~ ^
c/_cffi_backend.c:410:23: error: expression is not assignable
        Py_REFCNT(ct) = 0;
        ~~~~~~~~~~~~~ ^