diff -Nurp ipt-netflow-2.4.orig/configure ipt-netflow-2.4/configure
--- ipt-netflow-2.4.orig/configure	2019-06-23 13:27:58.000000000 +0300
+++ ipt-netflow-2.4/configure	2019-12-14 00:49:54.230538004 +0200
@@ -602,8 +602,6 @@ test "$IPTBIN" || IPTBIN=`which iptables
 
 iptables_find_version	#IPTVER
 iptables_try_pkgconfig	#try to configure from pkg-config
-iptables_find_src	#IPTSRC
-iptables_src_version	#check that IPTSRC match to IPTVER
 iptables_inc		#IPTINC
 iptables_modules	#IPTLIB