Merge branch 'master' into check_swap_again

1 files changed, 6 insertions, 1 deletions

diff --git a/gl/msvc-inval.h b/gl/msvc-inval.h
index ed00461f..7aee6e5d 100644
--- a/gl/msvc-inval.h
+++ b/gl/msvc-inval.h
@@ -1,5 +1,5 @@
 /* Invalid parameter handler for MSVC runtime libraries.
-   Copyright (C) 2011-2023 Free Software Foundation, Inc.
+   Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
@@ -52,6 +52,11 @@
        AC_DEFINE([MSVC_INVALID_PARAMETER_HANDLING], [SANE_LIBRARY_HANDLING])
  */
 
+/* This file uses HAVE_MSVC_INVALID_PARAMETER_HANDLER.  */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
 #define DEFAULT_HANDLING       0
 #define HAIRY_LIBRARY_HANDLING 1
 #define SANE_LIBRARY_HANDLING  2