diff --git a/CryptoPkg/Library/Include/sys/syscall.h b/CryptoPkg/Library/Include/sys/syscall.h
new file mode 100644
index 0000000000..ead0d7b968
--- /dev/null
+++ b/CryptoPkg/Library/Include/sys/syscall.h
@@ -0,0 +1,11 @@
+/** @file
+  Include file to support building the third-party cryptographic library.
+
+Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2019, Red Hat, Inc.
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <CrtLibSupport.h>
+