gdm3 package in openKylin
gdm3: GNOME Display Manager
gdm3-dbgsym: debug symbols for gdm3
gir1.2-gdm-1.0: GObject introspection data for the GNOME Display Manager
libgdm-dev: GNOME Display Manager (development files)
libgdm1: GNOME Display Manager (shared library)
libgdm1-dbgsym: debug symbols for libgdm1