diff --git a/contrib/Chaco/Makefile b/contrib/Chaco/Makefile
index 924338152bf05ba8f1d6cd9cccff7bf51c1c3581..bb52123ceb3e95878deeb4faae70442e0d2de3e3 100644
--- a/contrib/Chaco/Makefile
+++ b/contrib/Chaco/Makefile
@@ -99,6 +99,9 @@ ${LIB}: ${OBJ} ${OBJX}
 	${AR} ${ARFLAGS}${LIB} ${OBJ} ${OBJX} 
 	${RANLIB} ${LIB}
 
+cpobj: ${OBJ} ${OBJX} 
+	cp -f ${OBJ} ${OBJX} ../../lib/
+
 .c${OBJEXT}:
 	${CC} ${CFLAGS} ${DASH}c $< ${DASH}o ${<:.c=${OBJEXT}}