--- gforth/engine/io.h	2007/12/31 19:02:25	1.13
+++ gforth/engine/io.h	2012/03/16 20:34:23	1.14
@@ -20,7 +20,7 @@
 
 #include <setjmp.h>
 
-extern jmp_buf throw_jmp_buf;
+extern __thread jmp_buf throw_jmp_buf;
 
 #if defined(MSDOS) || defined(SHARC)
 #  define prep_terminal()