diff -ur qlogtools-3.1.orig/qfilelog.c qlogtools-3.1/qfilelog.c
--- qlogtools-3.1.orig/qfilelog.c	2001-06-12 14:41:47.000000000 -0700
+++ qlogtools-3.1/qfilelog.c	2003-07-31 21:52:51.000000000 -0700
@@ -3,8 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-
-extern int errno;
+#include <errno.h>
 
 #define PAUSE sleep(60)