Problem seems to be rather the broken cups.pc file from Debian in the cups package, which is fixed in 2.4.7-1.2ubuntu2, as after this cups release the tests of said packages have passed.
** Package changed: libcupsfilters (Ubuntu) => cups (Ubuntu) ** Changed in: cups (Ubuntu) Status: Triaged => Fix Released ** Also affects: c2esp (Ubuntu) Importance: Undecided Status: New ** Changed in: c2esp (Ubuntu) Status: New => In Progress -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/2059281 Title: libcupsfilters 2.0.0-0ubuntu6 results in autopkgtest regressions in c2esp, cpdb-backend-cups, cpdb-libs, cups-browsed, libppd Status in c2esp package in Ubuntu: In Progress Status in cups package in Ubuntu: Fix Released Bug description: libcupsfilters 2.0.0-0ubuntu6 results in autopkgtest regressions in c2esp, cpdb-backend-cups, cpdb-libs, cups-browsed, libppd To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/c2esp/+bug/2059281/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp