Why are you building obsolete systemd from xenial? The systemd package you downloaded is more than 2 years old, for xenial. The latest xenial release of systemd is 229-4ubuntu21.2, which you can download from xenial-updates using e.g.
$ pull-lp-source systemd xenial Are you building the package as root? you probably should not. Use fakeroot. What is your interest in rebuilding 16.04.0 build of systemd, when it was already patched many times since with security and stable release updates? ** Changed in: systemd (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1761114 Title: systemd build error on aarch64 with "Failed to parse personality, ignoring: x86" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1761114/+subscriptions -- ubuntu-bugs mailing list firstname.lastname@example.org https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs