New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/31649#issuecomment-868534675

Comment:
What release branch would you like to target? Update inside 4.15 or 4.13?

The Alpine package seems to ship `samba-tool`: https://pkgs.alpinelinux.org/contents?branch=v3.13&name=samba-dc&arch=x86_64&repo=main but I don't see the option you mentioned in https://git.alpinelinux.org/aports/tree/main/samba/APKBUILD?h=3.13-stable

AD DC supposedly requires heimdal, which explains why it's experimental with krb5. Maybe `--with-ads` is the correct option?