diff --git a/hawk/configure b/hawk/configure
index 4a8f4e4d..2677b9db 100755
--- a/hawk/configure
+++ b/hawk/configure
@@ -18929,7 +18929,7 @@ fi
 
 done
 
-for ac_header in netinet/in.h sys/un.h netpacket/packet.h net/if.h net/if_dl.h
+for ac_header in netinet/in.h sys/un.h netpacket/packet.h net/if.h net/if_dl.h net/route.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "
diff --git a/hawk/configure.ac b/hawk/configure.ac
index ff4a67c0..50df632d 100644
--- a/hawk/configure.ac
+++ b/hawk/configure.ac
@@ -248,7 +248,7 @@ AC_CHECK_HEADERS([time.h sys/time.h utime.h spawn.h execinfo.h ucontext.h])
 AC_CHECK_HEADERS([sys/resource.h sys/wait.h sys/syscall.h sys/ioctl.h sys/sysctl.h])
 AC_CHECK_HEADERS([dlfcn.h ltdl.h sys/mman.h])
 AC_CHECK_HEADERS([sys/devpoll.h sys/epoll.h poll.h sys/event.h])
-AC_CHECK_HEADERS([netinet/in.h sys/un.h netpacket/packet.h net/if.h net/if_dl.h], [], [], [
+AC_CHECK_HEADERS([netinet/in.h sys/un.h netpacket/packet.h net/if.h net/if_dl.h net/route.h], [], [], [
 	#include <sys/types.h>
 	#include <sys/socket.h>])
 AC_CHECK_HEADERS([sys/stropts.h sys/macstat.h linux/ethtool.h linux/sockios.h])
diff --git a/hawk/lib/hawk-cfg.h.in b/hawk/lib/hawk-cfg.h.in
index db1c6bf9..c99d9b6b 100644
--- a/hawk/lib/hawk-cfg.h.in
+++ b/hawk/lib/hawk-cfg.h.in
@@ -334,6 +334,9 @@
 /* Define to 1 if you have the <net/if.h> header file. */
 #undef HAVE_NET_IF_H
 
+/* Define to 1 if you have the <net/route.h> header file. */
+#undef HAVE_NET_ROUTE_H
+
 /* Define to 1 if you have the `pipe2' function. */
 #undef HAVE_PIPE2