From 732459ca3423799ae3386df3de3f5d6ea2af1b95 Mon Sep 17 00:00:00 2001
From: Romain Naour <romain.naour@smile.fr>
Date: Sun, 1 Apr 2018 15:18:51 +0200
Subject: [PATCH] configure.in: Avoid path poisoning with libpcap

Prevent usage of unsafe libpcap header path when cross compiling.

Signed-off-by: Romain Naour <romain.naour@smile.fr>
Cc: Sergio Prado <sergio.prado@e-labworks.com>
---
From http://patchwork.ozlabs.org/patch/860363/
---
 configure.in | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/configure.in b/configure.in
index 4b3a5db..1e940b1 100644
--- a/configure.in
+++ b/configure.in
@@ -70,8 +70,10 @@ case "$host" in
   *-linux*)
     linux="yes"
     AC_DEFINE([LINUX],[1],[Define if Linux])
-    AC_SUBST(extra_incl)
-    extra_incl="-I/usr/include/pcap"
+    if test -z "x$with_libpcap_includes"; then
+        AC_SUBST(extra_incl)
+        extra_incl="-I/usr/include/pcap"
+    fi
     ;;
   *-hpux10*|*-hpux11*)
     AC_DEFINE([HPUX],[1],[Define if HP-UX 10 or 11])
-- 
2.14.3