Installation issue: py-cython "error: option --single-version-externally-managed not recognized" #24526
Description
The package py-cython cannot be installed on Debian 9 / Devuan Ascii with Python 3.5.3
$ cat spack-build-out.txt
[...]
==> py-cython: Executing phase: 'install'
==> [2021-06-25-15:56:11.210480] '/usr/bin/python3.5' '-c' 'import distutils.sysconfig;print(distutils.sysconfig.get_python_lib(plat_specific=False, prefix=""));print(distutils.sysconfig.get_python_lib(plat_specific=True, prefix=""));print(distutils.sysconfig.get_python_inc(plat_specific=True, prefix=""))'
==> [2021-06-25-15:56:11.236681] '/usr/bin/python3.5' '-s' 'setup.py' '--no-user-cfg' 'install' '--prefix=/home/john/spack/opt/spack/linux-debian9-haswell/gcc-6.3.0/py-cython-0.29.22-e5clkxlqznff62nmazupvlfef5oqvg5j' '--single-version-externally-managed' '--root=/home/john/spack/opt/spack/linux-debian9-haswell/gcc-6.3.0/py-cython-0.29.22-e5clkxlqznff62nmazupvlfef5oqvg5j' '--install-purelib=lib/python3/dist-packages' '--install-platlib=lib/python3/dist-packages' '--install-scripts=bin' '--install-data=' '--install-headers=/usr/include/python3.5m'
Unable to find pgen, not compiling formal grammar.
usage: setup.py [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
or: setup.py --help [cmd1 cmd2 ...]
or: setup.py --help-commands
or: setup.py cmd --help
error: option --single-version-externally-managed not recognized
Steps to reproduce the issue
The issue can be reproduced in a Linux container. The first step shows how to set up the container, the second step contains the Spack commands.
LXD commands for creating a new Debian 9 LXD container with a user called john:
#!/bin/bash
set -e
set -u
lxc launch images:debian/9 d9
lxc exec d9 -- apt-get update
lxc exec d9 -- apt-get install -y \
build-essential \
bzip2 \
curl \
git \
gzip \
patch \
python3 \
python3-dev \
tar \
unzip \
xz-utils \
zstd \
cmake \
libssl-dev \
pkg-config \
sudo
lxc exec d9 -- adduser --disabled-password --gecos '' john
Login and execute these Spack commands:
git clone --depth=1 -- 'https://github.com/spack/spack.git'
. ~/spack/share/spack/setup-env.sh
spack external find
spack install py-cythonThe problem does not occur with other Python interpreters built by Spack (e.g. Python 3.5.10, 3.8.10). For example, the following build succeeds:
spack install py-cython ^[email protected]:I do not know if Python 3.5.3 is to blame or the Linux distribution.
Information on your system
git rev-parse HEAD:2bc0c0ea59eeb81601bb6a1cc416100f0a8989ea- Spack: 0.16.1 <- strange, this is a Spack clone with latest commit date June 25
- Python: 3.5.3
- Platform: linux-debian9-haswell
- Concretizer: original
Additional information
General information
- I have run
spack debug reportand reported the version of Spack/Python/Platform - I have run
spack maintainers <name-of-the-package>and @mentioned any maintainers @adamjstewart - I have uploaded the build log and environment files
- I have searched the issues of this repo and believe this is not a duplicate