Even if snap is not available, it tries to build the backend. Obviously, that fails.
Git commit 1eb3df904f24260f2c7ff5ea00bc6b2e45468f52 by Aleix Pol. Committed on 13/04/2018 at 12:55. Pushed by apol into branch 'master'. Don't build snapd backend if snapd is not there M +8 -8 libdiscover/backends/CMakeLists.txt https://commits.kde.org/discover/1eb3df904f24260f2c7ff5ea00bc6b2e45468f52