-# locale_h.m4 serial 6
+# locale_h.m4 serial 7
dnl Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
|| test $gl_cv_header_locale_h_needs_xlocale_h = yes; then
gl_REPLACE_LOCALE_H
fi
+
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[#include <locale.h>
+/* Some systems provide declarations in a non-standard header. */
+#if HAVE_XLOCALE_H
+# include <xlocale.h>
+#endif
+ ]], [duplocale])
])
dnl Unconditionally enables the replacement of <locale.h>.