--- gen/GNUmakefile.orig	2024-05-27 06:59:46 UTC
+++ gen/GNUmakefile
@@ -46,9 +46,9 @@ install:
 	rm -f .depend GPATH GRTAGS GSYMS GTAGS
 
 install:
-	install -o root -g wheel -m 550 ipgen ${DESTDIR}${PREFIX}/bin/
-	install -o root -g wheel -m 755 -d ${DESTDIR}${MANDIR}/man1
-	install -o root -g wheel -m 444 ipgen.1 ${DESTDIR}${MANDIR}/man1
+	${BSD_INSTALL_PROGRAM} ipgen ${DESTDIR}${PREFIX}/bin/
+	${BSD_INSTALL_DIR} -d ${DESTDIR}${MANDIR}/man1
+	${BSD_INSTALL_MAN} ipgen.1 ${DESTDIR}${MANDIR}/man1
 
 sequencecheck: sequencecheck.c seqcheck_test.c
 	$(CC) -o $@ sequencecheck.c $(CFLAGS) -DTEST