diff -r 0901aec1d00b tools/blktap/drivers/block-qcow2.c
--- a/tools/blktap/drivers/block-qcow2.c	Wed Mar 19 00:01:25 2008 +0000
+++ b/tools/blktap/drivers/block-qcow2.c	Wed Mar 19 16:37:56 2008 +0100
@@ -43,6 +43,11 @@
 
 #ifndef O_BINARY
 #define O_BINARY 0
+#endif
+
+/* *BSD has no O_LARGEFILE */
+#ifndef O_LARGEFILE
+#define O_LARGEFILE     0 
 #endif
 
 #define BLOCK_FLAG_ENCRYPT 1