From 2660123b0c16d7f6a49747711be676c4119561c9 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Wed, 24 Apr 2019 20:35:20 +0200
Subject: [PATCH] configure.ac: fix static build with pcap

pcap can depends on nl-3 so use pkg-config to find these dependencies
otherwise all AC_CHECK_LIB calls will fail when building statically

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Upstream status: not sent yet]
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index ee59c9d8e..5ec341231 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1331,6 +1331,7 @@
     AC_CHECK_HEADERS([pcap.h pcap/pcap.h pcap/bpf.h])
 
     LIBPCAP=""
+    PKG_CHECK_MODULES([PCAP],libpcap,[CPPFLAGS="${CPPFLAGS} ${PCAP_CFLAGS}" LIBS="${LIBS} ${PCAP_LIBS}"],[])
     AC_CHECK_LIB(${PCAP_LIB_NAME}, pcap_open_live,, LIBPCAP="no")
     if test "$LIBPCAP" = "no"; then
         echo
-- 
2.20.1