I found a workaround for this problem. The core issue is that BY DEFAULT cowbuilder-dist (and pbuilder-dist) will enable multiple "pockets", including "security", "updates", and "proposed".
It looks like the "proposed" pocket (available here: http://archive.ubuntu.com/ubuntu/dists/xenial-proposed/main/binary- amd64/) includes GCC version 5.4.0-6ubuntu1~16.04.11, which conflicts with GCC version 5.3.1-14ubuntu2 (apparently required by something else - not sure what). When I entered my broken chroot and attempted to debug the dependency problem, I got this: ----------------------------------------------------------------- root@pete-test-pc:/# apt-get install gcc-5 Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: gcc-5 : Depends: cpp-5 (= 5.3.1-14ubuntu2) but 5.4.0-6ubuntu1~16.04.11 is to be installed Depends: gcc-5-base (= 5.3.1-14ubuntu2) but 5.4.0-6ubuntu1~16.04.11 is to be installed Depends: libgcc-5-dev (= 5.3.1-14ubuntu2) but 5.4.0-6ubuntu1~16.04.11 is to be installed E: Unable to correct problems, you have held broken packages. ----------------------------------------------------------------- Workaround: supply any of the flags "--release-only", "--security-only", or "--updates-only" to the cowbuilder-dist or pbuilder-dist commands. Using any of those flags will *disable* the "proposed" pocket, eg.: cowbuilder-dist xenial create --updates-only pbuilder-dist xenial create --updates-only -- You received this bug notification because you are a member of MOTU, which is subscribed to ubuntu-dev-tools in Ubuntu. https://bugs.launchpad.net/bugs/1799859 Title: "pbuilder-dist create xenial" fails (Unutu 16.04) since Oct 17, 2018 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-dev-tools/+bug/1799859/+subscriptions -- universe-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/universe-bugs
