stabilize the build.

--- lib/Makefile.orig	Tue Mar 30 09:22:31 1999
+++ lib/Makefile	Tue Mar 30 09:22:39 1999
@@ -12,7 +12,7 @@
 
 make-libs:
 	@for i in $(DIRS); \
-	do (echo "cd $$i; $(MAKE)"; cd $$i; $(MAKE); cd ..); done
+	do (echo "cd $$i; $(MAKE)"; cd $$i; $(MAKE); cd ..; sleep 1); done
 
 clean:
 	for i in $(DIRS); \