$NetBSD: patch-nping_configure,v 1.1 2025/05/15 15:47:08 adam Exp $

pcap_version is not portable.

--- nping/configure.orig	2025-05-15 09:53:51.037421707 +0000
+++ nping/configure
@@ -6057,9 +6057,10 @@ else $as_nop
 /* end confdefs.h.  */
 
 #include <stdio.h>
-extern char pcap_version[];
+#include <pcap/pcap.h>
 int main() {
   int major, minor1, minor2;
+  const char *pcap_version = pcap_lib_version();
   sscanf(pcap_version,"%d.%d.%d", &major, &minor1, &minor2);
   if (major > 0)
     return 0;
@@ -6095,9 +6096,10 @@ else $as_nop
 #ifdef HAVE_NET_BPF_H
 #include <net/bpf.h>
 #endif
-extern char pcap_version[];
+#include <pcap/pcap.h>
 int main() {
   int major, minor;
+  const char *pcap_version = pcap_lib_version();
   sscanf(pcap_version,"%d.%d", &major, &minor);
   if ((major == 1 && minor >= 1) || major > 1)
     return 0;