diff --git a/ap/build/uClibc/libcrypt/crypt_stub.c b/ap/build/uClibc/libcrypt/crypt_stub.c
new file mode 100644
index 0000000..76645a0
--- /dev/null
+++ b/ap/build/uClibc/libcrypt/crypt_stub.c
@@ -0,0 +1,30 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * crypt() for uClibc
+ * Copyright (C) 2008 by Erik Andersen <andersen@uclibc.org>
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define __FORCE_GLIBC
+#include <crypt.h>
+#include <unistd.h>
+#include "libcrypt.h"
+#include <syscall.h>
+
+char *crypt(const char *key attribute_unused, const char *salt attribute_unused)
+{
+	__set_errno(ENOSYS);
+	return NULL;
+}
+
+void
+setkey(const char *key attribute_unused)
+{
+	__set_errno(ENOSYS);
+}
+
+void
+encrypt(char *block attribute_unused, int flag attribute_unused)
+{
+	__set_errno(ENOSYS);
+}