--- configure.in.orig	2011-12-04 23:21:32.000000000 +0100
+++ configure.in	2011-12-04 23:21:35.000000000 +0100
@@ -263,7 +263,7 @@
 	# as it breaks how the two halves (Basic and Advanced) of the IPv6
 	# Socket API were designed to be used but we have to live with it.
 	# Define _GNU_SOURCE to pull in the IPv6 Advanced Socket API.
-	*-linux* | *-kfreebsd*-gnu)
+	*-linux* | *-kfreebsd*-gnu | *-gnu*)
 		STD_CDEFINES="$STD_CDEFINES -D_GNU_SOURCE"
 		CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 		;;
--- configure.orig	2011-12-04 23:25:28.000000000 +0100
+++ configure	2011-12-04 23:25:32.000000000 +0100
@@ -11807,7 +11807,7 @@
 	# as it breaks how the two halves (Basic and Advanced) of the IPv6
 	# Socket API were designed to be used but we have to live with it.
 	# Define _GNU_SOURCE to pull in the IPv6 Advanced Socket API.
-	*-linux* | *-kfreebsd*-gnu)
+	*-linux* | *-kfreebsd*-gnu | *-gnu*)
 		STD_CDEFINES="$STD_CDEFINES -D_GNU_SOURCE"
 		CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 		;;
--- ./lib/isc/unix/net.c.orig	2011-12-04 23:44:51.000000000 +0100
+++ ./lib/isc/unix/net.c	2011-12-04 23:44:59.000000000 +0100
@@ -130,6 +130,9 @@
 #ifdef EAFNOSUPPORT
 		case EAFNOSUPPORT:
 #endif
+#ifdef EPFNOSUPPORT
+		case EPFNOSUPPORT:
+#endif
 #ifdef EPROTONOSUPPORT
 		case EPROTONOSUPPORT:
 #endif