Doesn't build with Python 3.12, imp module is deprecated #35
Description
Building on Archlinux (from the libfirm-git AUR package), Python is 3.12.4:
GEN build/gen/ir/ir/gen_proj_names.h
/data/INSTALL/libfirm-git/src/libfirm/scripts/filters.py:9: SyntaxWarning: invalid escape sequence '\s'
args = re.split('\s*\n\s*', string)
Traceback (most recent call last):
File "/data/INSTALL/libfirm-git/src/libfirm/./scripts/gen_ir.py", line 71, in <module>
main(sys.argv)
File "/data/INSTALL/libfirm-git/src/libfirm/./scripts/gen_ir.py", line 48, in main
spec.loader.exec_module(module)
File "<frozen importlib._bootstrap_external>", line 995, in exec_module
File "<frozen importlib._bootstrap>", line 488, in _call_with_frames_removed
File "/data/INSTALL/libfirm-git/src/libfirm/scripts/ir_spec.py", line 7, in <module>
from irops import Node, abstract, op, Attribute, prepare_nodes
File "/data/INSTALL/libfirm-git/src/libfirm/scripts/irops.py", line 4, in <module>
import imp
ModuleNotFoundError: No module named 'imp'
make: *** [Makefile:140: build/gen/ir/ir/gen_proj_names.h] Error 1