--- Makefile.orig	2014-06-29 23:25:53.573437041 +0800
+++ Makefile	2014-06-29 23:26:20.982465783 +0800
@@ -33,12 +33,12 @@ ${MAN1}: ${POD}
 	${POD2MAN} -c "${POD_CENTER}" -r "${POD_RELEASE}" ${POD} > ${MAN1} 
 
 install:
-	${MKDIR} ${BINDIR} ${MANDIR}/man1
-	${BSD_INSTALL_SCRIPT} ${PROG} ${BINDIR}
-	${BSD_INSTALL_MAN} ${MAN1} ${MANDIR}/man1
+	${MKDIR} ${BINDIR} $(DESTDIR)${MANDIR}/man1
+	${BSD_INSTALL_SCRIPT} ${PROG} $(DESTDIR)${BINDIR}
+	${BSD_INSTALL_MAN} ${MAN1} $(DESTDIR)${MANDIR}/man1
 	if [ `id -u` = 0 ]; then \
-		${CHOWN} ${BINOWN}:${BINGRP} ${BINDIR}/${PROG}; \
-		${CHOWN} ${MANOWN}:${MANGRP} ${MANDIR}/man1/${MAN1}; \
+		${CHOWN} ${BINOWN}:${BINGRP} $(DESTDIR)${BINDIR}/${PROG}; \
+		${CHOWN} ${MANOWN}:${MANGRP} $(DESTDIR)${MANDIR}/man1/${MAN1}; \
 	fi
 
 clean:
