unknown-horizons 2019.1-1 is marked for autoremoval from testing on 2020-04-07 It (build-)depends on packages with these RC bugs: 951962: fife: FTBFS: ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:11: undefined reference to `pthread_create'