Index: src/platform/POSIX/OFSystemInfo+NetworkInterfaces.m
==================================================================
--- src/platform/POSIX/OFSystemInfo+NetworkInterfaces.m
+++ src/platform/POSIX/OFSystemInfo+NetworkInterfaces.m
@@ -13,10 +13,16 @@
  * file.
  */
 
 #include "config.h"
 
+#ifdef HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+#endif
+#ifdef OF_HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
 #ifdef HAVE_NET_IF_H
 # include <net/if.h>
 #endif
 #ifdef HAVE_NET_IF_TYPES_H
 # include <net/if_types.h>
@@ -25,13 +31,10 @@
 # include <net/if_dl.h>
 #endif
 #ifdef HAVE_NETPACKET_PACKET_H
 # include <netpacket/packet.h>
 #endif
-#ifdef HAVE_SYS_IOCTL_H
-# include <sys/ioctl.h>
-#endif
 
 #import "OFSystemInfo.h"
 #import "OFSystemInfo+NetworkInterfaces.h"
 #import "OFArray.h"
 #import "OFData.h"