The .chk files should have the $(DLL_PREFIX), not $(LIB_PREFIX), because they correspond to shared libraries/DLLs.
The .chk files should have the $(DLL_PREFIX), not $(LIB_PREFIX), because
they correspond to shared libraries/DLLs.

thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss