Re: [libvirt] [PATCH 2/5] Detect availability of QEMU -chardev command line option

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On 04/11/09 19:05, Daniel P. Berrange wrote:
On Wed, Nov 04, 2009 at 04:21:59PM +0000, Matthew Booth wrote:
---
  src/qemu/qemu_conf.c |    2 ++
  src/qemu/qemu_conf.h |    1 +
  2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 19b2d36..2981b51 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 53835cf..0f82c68 100644
--- a/src/qemu/qemu_conf.h
+++ b/src/qemu/qemu_conf.h
@@ -73,6 +73,7 @@ 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 */

Does this not cause a failure in the qemuhelptest  test case ?

I see where you're coming from now. No it doesn't, because -chardev isn't in qemu 0.11: it's only in git. The current upstream outputs a single line under Debug/Expert options. I have submitted a documentation patch (not yet accepted afaict) which substantially expands this. However, both should work.

Matt
--
Matthew Booth, RHCA, RHCSS
Red Hat Engineering, Virtualisation Team

M:       +44 (0)7977 267231
GPG ID:  D33C3490
GPG FPR: 3733 612D 2D05 5458 8A8A 1600 3441 EA19 D33C 3490

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