[farsight2/master] Add test for ip_mreqn structure

[Olivier Crête]

---
 configure.ac |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index b6c2e09..18cc9e1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -207,6 +207,15 @@ dnl *** checks for types/defines ***
 
 dnl *** checks for structures ***
 
+AC_CHECK_MEMBER([struct ip_mreqn.imr_ifindex],
+	        [AC_DEFINE([HAVE_IP_MREQN], [1], [Have the struct ip_mreqn])],
+		[],
+		[
+#include <sys/socket.h>
+#include <netinet/in.h>
+])
+			 
+
 dnl *** checks for compiler characteristics ***
 
 dnl *** checks for library functions ***
-- 
1.5.6.5