New upstream version 1.2upstream/1.2upstream

1 files changed, 13 insertions, 1 deletions

diff --git a/tests/sys_select.in.h b/tests/sys_select.in.h
index 860e957f..de29c779 100644
--- a/tests/sys_select.in.h
+++ b/tests/sys_select.in.h
@@ -1,5 +1,5 @@
 /* Substitute for <sys/select.h>.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2024 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
@@ -19,6 +19,13 @@
 # endif
 @PRAGMA_COLUMNS@
 
+/* This file uses #include_next of a system file that defines time_t.
+   For the 'year2038' module to work right, <config.h> needs to have been
+   included before.  */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
 /* On OSF/1 and Solaris 2.6, <sys/types.h> and <sys/time.h>
    both include <sys/select.h>.
    On Cygwin and OpenBSD, <sys/time.h> includes <sys/select.h>.
@@ -71,6 +78,11 @@
 
 #ifndef _@GUARD_PREFIX@_SYS_SELECT_H
 
+/* This file uses GNULIB_POSIXCHECK, HAVE_RAW_DECL_*.  */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
 /* On many platforms, <sys/select.h> assumes prior inclusion of
    <sys/types.h>.  Also, mingw defines sigset_t there, instead of
    in <signal.h> where it belongs.  */