diff -ruN libshout/configure.ac libshout-new/configure.ac
--- libshout/configure.ac	2015-11-20 20:48:32.000000000 +0100
+++ libshout-new/configure.ac	2015-11-30 18:05:57.123213048 +0100
@@ -74,7 +74,7 @@
 dnl Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_TIME
-AC_CHECK_HEADERS([strings.h sys/timeb.h])
+AC_CHECK_HEADERS([strings.h sys/timeb.h arpa/inet.h])
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
diff -ruN libshout/src/proto_roaraudio.c libshout-new/src/proto_roaraudio.c
--- libshout/src/proto_roaraudio.c	2015-11-20 17:22:27.000000000 +0100
+++ libshout-new/src/proto_roaraudio.c	2015-11-30 18:06:41.823051979 +0100
@@ -28,7 +28,9 @@
 #endif
 
 /* for htonl(). */
+#ifdef HAVE_ARPA_INET_H
 #include <arpa/inet.h>
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>