OpenBSD needs sys/types.h for net/if.h

diff --git a/configure.ac b/configure.ac
index af49d08d6cdf2e697127838fb8fc38222fc1866c..76bbac25e62a4dfaf658ba5f2c03f266b9490281 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -869,6 +869,7 @@ AC_CHECK_HEADERS(fcntl.h sys/types.h sys/time.h sys/times.h sys/ioctl.h sys/stat
 AC_CHECK_HEADERS([arpa/inet.h netinet/in.h netinet/udplite.h sys/eventfd.h])
 AC_CHECK_HEADERS([net/if.h], [], [],
   [
+    #include <sys/types.h>
     #include <sys/socket.h>
   ])
 if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then