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[Qemu-devel] [PATCH v3 0/1] Allow the building of VirtFS to be disabled


From: Meador Inge
Subject: [Qemu-devel] [PATCH v3 0/1] Allow the building of VirtFS to be disabled
Date: Thu, 9 Feb 2012 20:31:16 -0600

There have been reports [1, 2] where folks have had issues building
VirtFS and the virtio backend on older systems.  I personally saw
problems due to the use of features (struct statfs f_frsize field,
fdopendir, O_NOATIME) in this code that are not available on much older
Linux systems.  Given, the system I ran into this on is ancient (RH8 sysroot),
but I still need to build QEMU on it nonetheless.

This patch adds a new configure option for disabling the building of
VirtFS all together.  Tested by building with and without --disable-virtfs
on older (RH8 sysroot) and newer systems (x64 Fedora 16).

[1] http://lists.nongnu.org/archive/html/qemu-devel/2011-12/msg00171.html
[2] http://lists.nongnu.org/archive/html/qemu-devel/2012-02/msg00404.html

* Changes from v2
  - Use 'test "$foo" = yes && test "$bar" = yes' instead of
    '"$foo" = "yes" -a "$bar" = "yes"'.
* Changes from v1
  - Simplify the configure logic and support the standard behavior
    of defaulting virtfs="".  Changes suggested by Peter Maydell.

Meador Inge (1):
  ./configure: add option for disabling VirtFS

 Makefile  |    2 ++
 configure |   25 +++++++++++++++++++------
 2 files changed, 21 insertions(+), 6 deletions(-)

-- 
1.7.7.6




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