--- Makefile.orig	2001-12-12 11:44:40 UTC
+++ Makefile
@@ -11,8 +11,8 @@ pkg_tree.7: pkg_tree.pod
 		--date="December 15, 2001" pkg_tree.pod > pkg_tree.7
 
 install:
-	install -o root -g wheel -m 755 -c pkg_tree /usr/local/bin
-	install -o root -g wheel -m 644 -c pkg_tree.7 /usr/local/man/man7
+	${BSD_INSTALL_SCRIPT} pkg_tree ${DESTDIR}${PREFIX}/bin
+	${BSD_INSTALL_MAN} pkg_tree.7 ${DESTDIR}${PREFIX}/man/man7
 
 clean:
 	rm pkg_tree.7