unistr/u*-next: Add missing dependencies.

[gnulib.git] / lib / locale.in.h

diff --git a/lib/locale.in.h b/lib/locale.in.h
index 49835c5..b8031e1 100644 (file)
--- a/lib/locale.in.h
+++ b/lib/locale.in.h
@@ -1,5 +1,5 @@
 /* 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
@@ -34,11 +34,29 @@
 # include <xlocale.h>
 #endif
 
+/* The definition of GL_LINK_WARNING is copied here.  */
+
+/* The definition of _GL_ARG_NONNULL 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
+# define duplocale(l) \
+   (GL_LINK_WARNING ("duplocale is buggy on some glibc systems - " \
+                     "use gnulib module duplocale for portability"), \
+    duplocale (l))
+#endif
+
 #endif /* _GL_LOCALE_H */
 #endif /* _GL_LOCALE_H */