On Thu, Nov 12, 2020 at 08:31:23AM +0100, Mathieu Malaterre wrote: > Control: retitle -1 libcharls-dev needs Breaks: libdcmtk-dev (<< 3.6.5-1~) >...
It needs Breaks *and* Replaces on libdcmtk-dev (<< 3.6.5-1~): https://www.debian.org/doc/debian-policy/ch-relationships.html#overwriting-files-in-other-packages Breaks without Replaces would give the same failure during upgrades. cu Adrian