Hello, It seems I missed the whole thread, so found the same issue independently :)
Simon McVittie, on mar. 17 oct. 2017 16:21:06 +0100, wrote: > Thanks. Hmm, so the error is: > > sbuild-build-depends-opencv-dummy : Depends: libgtk-3-dev but it is not > going to be installed > > which is amazingly helpful. Adding -o Debug::pkgProblemResolver=yes provides the useful information: Investigating (0) dconf-service:hurd-i386 < none -> 0.26.1-1 @un uN Ib > Broken dconf-service:hurd-i386 Depends on default-dbus-session-bus:hurd-i386 < none @un H > Considering dbus-user-session:hurd-i386 0 as a solution to dconf-service:hurd-i386 7 Holding Back dconf-service:hurd-i386 rather than change default-dbus-session-bus:hurd-i386 ... > The dependency chain: > > libgtk-3-dev Depends dconf-gsettings-backend | gsettings-backend > dconf-gsettings-backend Depends dconf-service > dconf-service Depends d-d-s-b | d-s-b > > so we already have two layers of "if you accepted the alternative you'd > be fine". I thought sbuild's allergy to alternatives only extended as > far as direct dependencies? That wouldn't be acceptable anyway, for the same reason as the direct dependencies. Samuel