diff --git a/libstdc++-v3/config/os/aix/os_defines.h b/libstdc++-v3/config/os/aix/os_defines.h
index 723a6533319..265e2941d1a 100644
--- a/libstdc++-v3/config/os/aix/os_defines.h
+++ b/libstdc++-v3/config/os/aix/os_defines.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-3.0-or-later WITH GCC-exception-3.1
 // Specific definitions for AIX  -*- C++ -*-
 
 // Copyright (C) 2000-2021 Free Software Foundation, Inc.
@@ -48,6 +49,10 @@
 #define __COMPATMATH__
 #endif
 
+#ifndef __LIBC_NO_CPP_MATH_OVERLOADS__
+#define __LIBC_NO_CPP_MATH_OVERLOADS__
+#endif
+
 // No support for referencing weak symbols without a definition.
 #define _GLIBCXX_USE_WEAK_REF 0