meson @1.1.1: build failure in Python wheel on Leopard/PPC

[khepler]

:info:build Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_port
s_devel_meson/meson/work/meson-1.1.1" && /opt/local/Library/Frameworks/Python.framework/Versions/3.11/bin/python3.11 -m build --no-isolatio
n --wheel --outdir /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_m
eson/meson/work
:debug:build system:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_
devel_meson/meson/work/meson-1.1.1" && /opt/local/Library/Frameworks/Python.framework/Versions/3.11/bin/python3.11 -m build --no-isolation
--wheel --outdir /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_mes
on/meson/work
:info:build * Getting build dependencies for wheel...
:info:build ERROR Backend subprocess exited when trying to invoke get_requires_for_build_wheel
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_meson/meson/work/meson-1.1.1" && /opt/local/Library/Frameworks/Python.framework/Versions/3.11/bin/python3.11 -m build --no-isolation --wheel --outdir /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_meson/meson/work
:info:build Exit code: 1

Full build log attached.

The command shown in the error log executes successfully when invoked manually.

[khepler]

build log

[khepler]

Appears to be a problem with Python 3.11; build succeeds with Python 3.10:

port install meson python.version=310