Build python on slackware (for unraid)

python3-unraid.md

Tested on Unraid 6.12

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1. Install LXC the plugin, create a Slackware 15.0, start and attach to it

2. Upgrade security patches (press O to override when asked)

slackpkg upgrade-all

3. Get the source from -current branch. I use rsync

slackpkg install rsync lz4 xxHash
rsync -rzvh rsync://ftp.slackware.com/slackware/slackware-current/source/d/python3/ ~/python3-src

3.1. (Optional) You can grab Python3.12 source if you want that version. It works too

wget -P ~/python3-src \
  https://www.python.org/ftp/python/3.12.5/Python-3.12.5.tar.xz \
  https://www.python.org/ftp/python/3.12.5/Python-3.12.5.tar.xz.asc \
  https://www.python.org/ftp/python/doc/3.12.5/python-3.12.5-docs-text.tar.bz2

4. Static link the expat dependency (since its not include on Unraid, it is good to us)

sed -i 's/with-system-expat/without-system-expat/' ~/python3-src/python3.SlackBuild

5. Include ensurepip (optional, I prefer to not)

sed -i 's/without-ensurepip/with-ensurepip/' ~/python3-src/python3.SlackBuild

5.1. (Optional) If you choose to not include ensurepip you can add those lines to /boot/config/go

# if it has pypthon then upgrade/install pip
[[ -f /usr/bin/python3 ]] && /usr/bin/python3 -m ensurepip --upgrade

6. Install dependencies

slackpkg install kernel-headers binutils gcc-11 gc-8 make pkg-config guile flex libffi expat zlib gdbm readline

7. Build

sh ~/python3-src/python3.SlackBuild

8. It should go to /tmp/python3-*.txz (something like that) inside the container.

9. On the Unraid LXC plugin Settings (/Settings/LXCSettings) get the "storage path", there will be rootfs for your Slackware container, go tmp folder.

10. You know the rest.