diff --git a/lib/Makefile.tmpl b/lib/Makefile.tmpl
index 0ace7d86..04caf879 100644
--- a/lib/Makefile.tmpl
+++ b/lib/Makefile.tmpl
@@ -50,5 +50,7 @@ $(srcdir)/getdate.c: getdate.y
 	  $(YACC) $(YFLAGS) getdate.y && \
 	  mv -f y.tab.c getdate.c
 
+SUFFIXES = .o .c .h
+CLEANFILES = 
 # gnulib modules