CI fails with 3.12

[gvanrossum]

See https://github.com/python/pyperformance/actions/runs/3415151310/jobs/5683956792#step:7:5777

``` building 'greenlet._greenlet' extension creating build/temp.linux-x86_64-cpython-312 creating build/temp.linux-x86_64-cpython-312/src creating build/temp.linux-x86_64-cpython-312/src/greenlet x86_64-linux-gnu-gcc -pthread -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -I/tmp/tmpjf2ibmks/tmps_xbembk/venv/include -I/usr/include/python3.12 -c src/greenlet/greenlet.cpp -o build/temp.linux-x86_64-cpython-312/src/greenlet/greenlet.o In file included from src/greenlet/greenlet_internal.hpp:19, from src/greenlet/greenlet.cpp:17: src/greenlet/greenlet_greenlet.hpp: In member function ‘void greenlet::PythonState::operator<<(const PyThreadState*)’: src/greenlet/greenlet_greenlet.hpp:826:37: error: ‘const PyThreadState’ {aka ‘const struct _ts’} has no member named ‘recursion_limit’; did you mean ‘py_recursion_limit’? 826 | this->recursion_depth = tstate->recursion_limit - tstate->recursion_remaining; | ^~~~~~~~~~~~~~~ | py_recursion_limit src/greenlet/greenlet_greenlet.hpp:826:63: error: ‘const PyThreadState’ {aka ‘const struct _ts’} has no member named ‘recursion_remaining’; did you mean ‘c_recursion_remaining’? 826 | this->recursion_depth = tstate->recursion_limit - tstate->recursion_remaining; | ^~~~~~~~~~~~~~~~~~~ | c_recursion_remaining src/greenlet/greenlet_greenlet.hpp: In member function ‘void greenlet::PythonState::operator>>(PyThreadState*)’: src/greenlet/greenlet_greenlet.hpp:859:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘recursion_remaining’; did you mean ‘c_recursion_remaining’? 859 | tstate->recursion_remaining = tstate->recursion_limit - this->recursion_depth; | ^~~~~~~~~~~~~~~~~~~ | c_recursion_remaining src/greenlet/greenlet_greenlet.hpp:859:43: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘recursion_limit’; did you mean ‘py_recursion_limit’? 859 | tstate->recursion_remaining = tstate->recursion_limit - this->recursion_depth; | ^~~~~~~~~~~~~~~ | py_recursion_limit src/greenlet/greenlet_greenlet.hpp: In member function ‘void greenlet::PythonState::set_initial_state(const PyThreadState*)’: src/greenlet/greenlet_greenlet.hpp:886:37: error: ‘const PyThreadState’ {aka ‘const struct _ts’} has no member named ‘recursion_limit’; did you mean ‘py_recursion_limit’? 886 | this->recursion_depth = tstate->recursion_limit - tstate->recursion_remaining; | ^~~~~~~~~~~~~~~ | py_recursion_limit src/greenlet/greenlet_greenlet.hpp:886:63: error: ‘const PyThreadState’ {aka ‘const struct _ts’} has no member named ‘recursion_remaining’; did you mean ‘c_recursion_remaining’? 886 | this->recursion_depth = tstate->recursion_limit - tstate->recursion_remaining; | ^~~~~~~~~~~~~~~~~~~ | c_recursion_remaining 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. ```

[mdboom]

See also: https://github.com/python-greenlet/greenlet/pull/327

[hugovk]

This was fixed by upgrading greenlet in https://github.com/python/pyperformance/pull/320.