This avoids a warning from the C compiler on OSF/1 5.1: cc: Warning: ./threadlib.c, line 70: Source file does not contain any declarations.
2009-01-25 Bruno Haible <br...@clisp.org> * lib/glthread/threadlib.c (dummy): New declaration. --- lib/glthread/threadlib.c.orig 2009-01-25 23:29:06.000000000 +0100 +++ lib/glthread/threadlib.c 2009-01-25 23:28:37.000000000 +0100 @@ -1,5 +1,5 @@ /* Multithreading primitives. - Copyright (C) 2005-2008 Free Software Foundation, Inc. + Copyright (C) 2005-2009 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 @@ -67,3 +67,7 @@ #endif /* ========================================================================= */ + +/* This declaration is solely to ensure that after preprocessing + this file is never empty. */ +typedef int dummy;