diff --git a/lib/roken/iruserok.c b/lib/roken/iruserok.c
new file mode 100644
index 000000000..e23567272
--- /dev/null
+++ b/lib/roken/iruserok.c
@@ -0,0 +1,18 @@
+#include "bsd_locl.h"
+
+#ifndef HAVE_IRUSEROK
+
+int     __check_rhosts_file = 1;
+char    *__rcmd_errstr = 0;
+
+
+/*
+ * Returns 0 if ok, -1 if not ok.
+ */
+int
+iruserok(u_int32_t raddr, int superuser, const char *ruser, const char *luser)
+{
+  return -1;
+}
+
+#endif /* !HAVE_IRUSEROK */