configure.ac: robustify netlink.h check

https://bugzilla.gnome.org/show_bug.cgi?id=666173

diff --git a/configure.ac b/configure.ac
index 2115a02..ead446d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1112,7 +1112,8 @@ fi
 AC_SUBST(NETWORK_LIBS)
 
 AC_CHECK_HEADER([linux/netlink.h],
-               [AC_DEFINE(HAVE_NETLINK, 1, [We have AF_NETLINK sockets])])
+               [AC_DEFINE(HAVE_NETLINK, 1, [We have AF_NETLINK sockets])],,
+               [#include <sys/socket.h>])
 AM_CONDITIONAL(HAVE_NETLINK, [test "$ac_cv_header_linux_netlink_h" = "yes"])
 
 case $host in