From: Marc Fournier <marc.fournier@camptocamp.com>
Date: Mon, 14 Oct 2013 13:47:05 +0000 (-0700)
Subject: Merge pull request #393 from mfournier/prevent-building-with-old-libpcap
X-Git-Tag: collectd-5.4.1~3^2~5
X-Git-Url: https://git.octo.it/?a=commitdiff_plain;h=0c4da4eb1348f032d6845e192d71e7a3908126c1;hp=6dcd94cf362b78541cfd1c5b7c80a04c415beb88;p=collectd.git

Merge pull request #393 from mfournier/prevent-building-with-old-libpcap

Prevent building with old libpcap
---

diff --git a/configure.in b/configure.in
index d207c288..87a19076 100644
--- a/configure.in
+++ b/configure.in
@@ -3013,6 +3013,25 @@ then
 	AC_CHECK_HEADERS(pcap-bpf.h,,
 			 [with_libpcap="no (pcap-bpf.h not found)"])
 fi
+if test "x$with_libpcap" = "xyes"
+then
+	AC_CACHE_CHECK([whether libpcap has PCAP_ERROR_IFACE_NOT_UP],
+		       [c_cv_libpcap_have_pcap_error_iface_not_up],
+		       AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[[
+#include <pcap.h>
+]]],
+[[[
+  int val = PCAP_ERROR_IFACE_NOT_UP;
+]]]
+		       )],
+		       [c_cv_libpcap_have_pcap_error_iface_not_up="yes"],
+		       [c_cv_libpcap_have_pcap_error_iface_not_up="no"]))
+fi
+if test "x$c_cv_libpcap_have_pcap_error_iface_not_up" != "xyes"
+then
+		with_libpcap="no (pcap.h misses PCAP_ERROR_IFACE_NOT_UP)"
+fi
 AM_CONDITIONAL(BUILD_WITH_LIBPCAP, test "x$with_libpcap" = "xyes")
 # }}}