--- a/ext/dbm/Makefile.in
+++ b/ext/dbm/Makefile.in
@@ -46,9 +46,8 @@
 
 
 # auxiliary stuff to find out the extension of ndbm file(s).
-ndbm-makedb : ndbm-makedb.c
-	$(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS) -o ndbm-makedb \
-	  $(srcdir)/ndbm-makedb.c $(LOCAL_LFLAGS) $(XLDFLAGS) @NDBMLIB@ $(LIBS)
+ndbm-makedb : fake-ndbm-makedb.c
+	$(CC_FOR_BUILD) -o ndbm-makedb $(srcdir)/fake-ndbm-makedb.c
 
 ndbm-suffixes.h : ndbm-makedb ndbm-suffixes.scm
 	$(GOSH) $(srcdir)/ndbm-suffixes.scm ndbm-suffixes.h