1 files changed, 6 insertions, 1 deletions

diff --git a/gl/pathmax.h b/gl/pathmax.h
index 0dd8f3b..d6512c6 100644
--- a/gl/pathmax.h
+++ b/gl/pathmax.h
@@ -1,5 +1,5 @@
 /* Define PATH_MAX somehow.  Requires sys/types.h.
-   Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2023 Free Software
+   Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2024 Free Software
    Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
@@ -39,6 +39,11 @@
          #endif
  */
 
+/* This file uses HAVE_SYS_PARAM_H.  */
+# if !_GL_CONFIG_H_INCLUDED
+#  error "Please include config.h first."
+# endif
+
 # include <unistd.h>
 
 # include <limits.h>