Krister Walfridsson <cato@df.lth.se> tells us sysctl lives in /sbin

since NetBSD 1.5.

config

@@ -168,7 +168,7 @@ case "${SYSTEM}:${RELEASE}:${VERSION}:${MACHINE}" in
         ;;
 
     NetBSD:*:*:*386*)
-        echo "`/usr/sbin/sysctl -n hw.model | sed 's,.*\(.\)86-class.*,i\186,'`-whatever-netbsd"; exit 0
+        echo "`(/usr/sbin/sysctl -n hw.model || /sbin/sysctl -n hw.model) | sed 's,.*\(.\)86-class.*,i\186,'`-whatever-netbsd"; exit 0
 	;;
 
     NetBSD:*)