--- gforth/engine/signals.c	2012/03/24 01:17:52	1.49
+++ gforth/engine/signals.c	2012/03/26 16:34:35	1.50
@@ -101,7 +101,7 @@ graceful_exit (int sig)
   exit (0x80|sig);
 }
 
-__thread jmp_buf * throw_jmp_handler;
+PER_THREAD jmp_buf * throw_jmp_handler;
 
 void throw(int code)
 {