From 740039680192eccea71b7a3bce392862d6f6c33b Mon Sep 17 00:00:00 2001
From: Matthew Booth <mbooth@redhat.com>
Date: Thu, 5 Nov 2009 14:41:24 +0100
Subject: [PATCH] Detect availability of QEMU -chardev CLI option

* src/qemu/qemu_conf.h: defines a new QEMUD_CMD_FLAG_CHARDEV flag
* src/qemu/qemu_conf.c: parse the output for -chardev and set flag
  appropriately
---
 src/qemu/qemu_conf.c | 2 ++
 src/qemu/qemu_conf.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index d77fd6ff0d..ddd8db9d54 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -894,6 +894,8 @@ static unsigned int qemudComputeCmdFlags(const char *help,
         flags |= QEMUD_CMD_FLAG_PCIDEVICE;
     if (strstr(help, "-mem-path"))
         flags |= QEMUD_CMD_FLAG_MEM_PATH;
+    if (strstr(help, "-chardev"))
+        flags |= QEMUD_CMD_FLAG_CHARDEV;
 
     if (version >= 9000)
         flags |= QEMUD_CMD_FLAG_VNC_COLON;
diff --git a/src/qemu/qemu_conf.h b/src/qemu/qemu_conf.h
index 42b8f56b7a..5d433d38db 100644
--- a/src/qemu/qemu_conf.h
+++ b/src/qemu/qemu_conf.h
@@ -72,6 +72,7 @@ enum qemud_cmd_flags {
     QEMUD_CMD_FLAG_DRIVE_SERIAL  = (1 << 19), /* -driver serial=  available */
     QEMUD_CMD_FLAG_XEN_DOMID     = (1 << 20), /* -xen-domid (new style xen integration) */
     QEMUD_CMD_FLAG_MIGRATE_QEMU_UNIX = (1 << 21), /* Does qemu support unix domain sockets for migration? */
+    QEMUD_CMD_FLAG_CHARDEV       = (1 << 22), /* Is the new -chardev arg available */
 };
 
 /* Main driver state */
-- 
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