I'm running Debian Jessie (stable) and I followed this method to install a single package from stretch (testing).
But I get an "unmet dependencies" error. How can I fix the issue and install the testing version of that package?
$ sudo apt-get -t stretch install libboost-all-dev 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: gsettings-desktop-schemas : Breaks: gnome-settings-daemon (< 3.19.92) but 3.14.2-3 is to be installed Breaks: mutter (< 3.19.92) but 3.14.4-1~deb8u1 is to be installed gstreamer1.0-plugins-base : Breaks: gstreamer1.0-plugins-bad (< 1.7.90) but 1.4.4-2.1+deb8u1 is to be installed libgstreamer-plugins-base1.0-0 : Breaks: gstreamer1.0-plugins-bad (< 1.7.1) but 1.4.4-2.1+deb8u1 is to be installed E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.