--- configure.orig	2022-07-30 04:13:00 UTC
+++ configure
@@ -5797,15 +5797,15 @@ if test ! -z "$with_psrc" ; then
 	PSRC="$withval"
 elif test -c /dev/bpf0 ; then
 	PSRC=bpf
-elif test -a /usr/include/pcap.h; then
+elif test -f /usr/include/pcap.h; then
 	PSRC=pcap
-elif test -a /usr/include/pcap/pcap.h; then
+elif test -f /usr/include/pcap/pcap.h; then
 	PSRC=pcap
 	CFLAGS="$CFLAGS -I/usr/include/pcap"
 	CPPFLAGS="$CPPFLAGS -I/usr/include/pcap"
-elif test -a ${ac_default_prefix}/include/pcap.h; then
+elif test -f ${ac_default_prefix}/include/pcap.h; then
 	PSRC=pcap
-elif test -a ${ac_default_prefix}/include/pcap/pcap.h; then
+elif test -f ${ac_default_prefix}/include/pcap/pcap.h; then
 	CFLAGS="$CFLAGS -I${ac_default_prefix}/include/pcap"
 	CPPFLAGS="$CPPFLAGS -I${ac_default_prefix}/include/pcap"
 	PSRC=pcap