/* A POSIX <locale.h>.
- Copyright (C) 2007-2009 Free Software Foundation, Inc.
+ Copyright (C) 2007-2010 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
# include <xlocale.h>
#endif
+/* The definition of _GL_ARG_NONNULL is copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
/* The LC_MESSAGES locale category is specified in POSIX, but not in ISO C.
On systems that don't define it, use the same value as GNU libintl. */
#if !defined LC_MESSAGES
# define LC_MESSAGES 1729
#endif
+#if @GNULIB_DUPLOCALE@
+# if @REPLACE_DUPLOCALE@
+# undef duplocale
+# define duplocale rpl_duplocale
+extern locale_t duplocale (locale_t locale) _GL_ARG_NONNULL ((1));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef duplocale
+# if HAVE_RAW_DECL_DUPLOCALE
+_GL_WARN_ON_USE (duplocale, "duplocale is buggy on some glibc systems - "
+ "use gnulib module duplocale for portability");
+# endif
+#endif
+
#endif /* _GL_LOCALE_H */
#endif /* _GL_LOCALE_H */