/usr/bin/ld: CMakeFiles/minetestserver.dir/mapgen/mapgen.cpp.o: in function `Mapgen::updateLiquid(UniqueQueue<irr::core::vector3d<short> >*, irr::core::vector3d<short>, irr::core::vector3d<short>)':
mapgen.cpp:(.text+0x5942): undefined reference to `short irr::core::roundingError<short>()'
/usr/bin/ld: mapgen.cpp:(.text+0x5a71): undefined reference to `short irr::core::roundingError<short>()'
/usr/bin/ld: mapgen.cpp:(.text+0x5aad): undefined reference to `short irr::core::roundingError<short>()'
/usr/bin/ld: mapgen.cpp:(.text+0x5ae1): undefined reference to `short irr::core::roundingError<short>()'
/usr/bin/ld: mapgen.cpp:(.text+0x5afd): undefined reference to `short irr::core::roundingError<short>()'
/usr/bin/ld: CMakeFiles/minetestserver.dir/mapgen/mapgen.cpp.o:mapgen.cpp:(.text+0x5b9d): more undefined references to `short irr::core::roundingError<short>()' follow
collect2: error: ld returned 1 exit status
make[2]: *** [src/CMakeFiles/minetestserver.dir/build.make:3340: /home/username/temp/badbuild/minetest/bin/minetestserver] Fehler 1
make[2]: Verzeichnis „/home/username/temp/badbuild/minetest/build“ wird verlassen
make[1]: *** [CMakeFiles/Makefile2:420: src/CMakeFiles/minetestserver.dir/all] Fehler 2
make[1]: Verzeichnis „/home/username/temp/badbuild/minetest/build“ wird verlassen
make: *** [Makefile:156: all] Fehler 2
make: Verzeichnis „/home/username/temp/badbuild/minetest/build“ wird verlassen