diff --git a/configure.ng b/configure.ng
index 7d220907..aec1eb14 100644
--- a/configure.ng
+++ b/configure.ng
@@ -470,6 +470,8 @@ AC_ARG_WITH(tcp-wrappers,
 			LIBS="-lwrap $LIBS"
 			LIBS_END="-lwrap $LIBS_END"
 			AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
 #include <tcpd.h>
 int allow_severity = 0;
 int deny_severity = 0;
diff --git a/src/portab/portabtest.c b/src/portab/portabtest.c
index b104739e..3602feec 100644
--- a/src/portab/portabtest.c
+++ b/src/portab/portabtest.c
@@ -24,6 +24,8 @@
 
 #include "exp.h"
 
+int allow_severity = 0, deny_severity = 0;
+
 static void
 Panic(char *Reason)
 {