Use "cu_saved_libs" for local var name, not "ac_su_saved_lib".
* prereq.m4: Add copyright notice.
(gl_PREREQ): Add gl_LOCALCHARSET.
+ * localcharset.m4: New file, from gnulib.
2005-05-16 Jim Meyering <jim@meyering.net>
--- /dev/null
+# localcharset.m4 serial 2
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_LOCALCHARSET],
+[
+ dnl Prerequisites of lib/localcharset.c.
+ AC_CHECK_HEADERS_ONCE(stddef.h stdlib.h string.h)
+ AC_REQUIRE([AM_LANGINFO_CODESET])
+ AC_CHECK_FUNCS_ONCE(setlocale)
+
+ dnl Prerequisites of the lib/Makefile.am snippet.
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_REQUIRE([gl_GLIBC21])
+])