--- glibc-2.3.5/nptl/sysdeps/pthread/pthread.h.gcc4~	2005-03-13 11:53:16.000000000 +0800
+++ glibc-2.3.5/nptl/sysdeps/pthread/pthread.h	2005-04-08 00:55:22.000000000 +0800
@@ -28,6 +28,7 @@
 #include <bits/pthreadtypes.h>
 #include <bits/setjmp.h>
 #include <bits/wordsize.h>
+#include <setjmp.h> /* for __jmp_buf_tag */
 
 
 /* Detach state.  */
@@ -660,7 +661,6 @@
 #endif
 
 /* Function used in the macros.  */
-struct __jmp_buf_tag;
 extern int __sigsetjmp (struct __jmp_buf_tag *__env, int __savemask) __THROW;