tce-load -i compiletc python3.11-setuptools cython3.11 openssl-dev liblz4-dev zstd-dev xxhash-dev acl-dev

wget https://github.com/borgbackup/borg/archive/refs/tags/1.4.2.tar.gz
https://files.pythonhosted.org/packages/de/79/2031c715a35c1fc943cdac83337b0070737d29796270454bedf52d2ac457/borgbackup-1.4.2.tar.gz

cd borg-1.4.2

edit pyproject.toml
replace
license = "BSD-3-Clause"
license-files = ["LICENSE", "AUTHORS"]
by
license = {text = "BSD-3-Clause"}

BORG_OPENSSL_PREFIX=/usr/local BORG_LIBLZ4_PREFIX=/usr/local BORG_LIBZSTD_PREFIX=/usr/local BORG_LIBXXHASH_PREFIX=/usr/local BORG_LIBACL_PREFIX=/usr/local python3.11 setup.py build

sudo BORG_OPENSSL_PREFIX=/usr/local BORG_LIBLZ4_PREFIX=/usr/local BORG_LIBZSTD_PREFIX=/usr/local BORG_LIBXXHASH_PREFIX=/usr/local BORG_LIBACL_PREFIX=/usr/local python3.11 setup.py install --root=/tmp/pkg

packaging
msgpack