diff -ruN qemu-0.7.0.orig/target-i386/helper2.c qemu-0.7.0/target-i386/helper2.c
--- qemu-0.7.0.orig/target-i386/helper2.c	2005-04-27 22:52:05.000000000 +0200
+++ qemu-0.7.0/target-i386/helper2.c	2005-05-25 22:07:50.000000000 +0200
@@ -17,6 +17,7 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
+#include <errno.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <stdio.h>