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-rw-r--r--lib/strings.in.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/strings.in.h b/lib/strings.in.h
index 07aed18..929329d 100644
--- a/lib/strings.in.h
+++ b/lib/strings.in.h
@@ -1,6 +1,6 @@
/* A substitute <strings.h>.
- Copyright (C) 2007-2021 Free Software Foundation, Inc.
+ Copyright (C) 2007-2023 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
@@ -36,6 +36,11 @@
#ifndef _@GUARD_PREFIX@_STRINGS_H
#define _@GUARD_PREFIX@_STRINGS_H
+/* This file uses GNULIB_POSIXCHECK, HAVE_RAW_DECL_*. */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
#if ! @HAVE_DECL_STRNCASECMP@
/* Get size_t. */
# include <stddef.h>