File baselibs.conf of Package gdbm

libgdbm6
  obsoletes "gdbm-<targettype> < <version>"
libgdbm_compat4
  conflicts "libgdbm3-<targettype>"
gdbm-devel
  requires "libgdbm6-<targettype> = <version>"
  requires "libgdbm_compat4-<targettype> = <version>"