-# DYN_LOADABLE_LPRLS = $(DYN_LOADABLE_BITS:.prl=.lprl)
-# PerlTagsTarget( ghc.lprl $(DYN_LOADABLE_LPRLS) )
+# Since cleaning effectively uninstalls all the packages, we must
+# remove the stamp files that the build system uses to avoid unnecessarily
+# re-installing packages.
+CLEAN_FILES += package.conf* stamp-pkg-conf*