--- gforth/engine/io.h	2012/03/23 20:49:44	1.15
+++ gforth/engine/io.h	2012/03/26 16:34:35	1.16
@@ -20,7 +20,7 @@
 
 #include <setjmp.h>
 
-extern __thread jmp_buf * throw_jmp_handler;
+extern PER_THREAD jmp_buf * throw_jmp_handler;
 
 #if defined(MSDOS) || defined(SHARC)
 #  define prep_terminal()