--- libcoro/coro.h	2004/04/01 03:11:15	1.7
+++ libcoro/coro.h	2005/03/21 14:38:14	1.10
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001 Marc Alexander Lehmann <pcg@goof.com>
+ * Copyright (c) 2001-2005 Marc Alexander Lehmann <schmorp@schmorp.de>
  * 
  * Redistribution and use in source and binary forms, with or without modifica-
  * tion, are permitted provided that the following conditions are met:
@@ -33,15 +33,16 @@
  * build your own process abstraction using it or - better - just use GNU
  * Portable Threads, http://www.gnu.org/software/pth/.
  *
- * VERSION: 0.1
  */
 
 #ifndef CORO_H
 #define CORO_H
 
+#define CORO_VERSION 1
+
 /*
  * This library consists of only three files
- * coro.h, coro.c and LICENSE
+ * coro.h, coro.c and LICENSE (and optionally README)
  *
  * It implements what is known as coroutines, in a hopefully
  * portable way. At the moment you have to define which kind
@@ -149,6 +150,10 @@
 
 #elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX
 
+#if defined(CORO_LINUX) && !defined(_GNU_SOURCE)
+# define _GNU_SOURCE // for linux libc
+#endif
+
 #include <setjmp.h>
 
 struct coro_context {