Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -1768,11 +1768,13 @@
 	AC_CHECK_FUNC(getifaddrs, [
 		AC_DEFINE(OF_SYSTEM_INFO_HAS_NETWORK_INTERFACES, 1,
 			[Whether OFSystemInfo has network interfaces])
 	])
 	AC_CHECK_TYPES([struct sockaddr_dl], [], [], [
-		#include <stdint.h>
+		#ifdef HAVE_SYS_TYPES_H
+		# include <sys/types.h>
+		#endif
 		#ifdef HAVE_NET_IF_DL_H
 		# include <net/if_dl.h>
 		#endif
 	])
 	AC_CHECK_TYPES([struct sockaddr_ll], [], [], [