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[libvirt] ARM libvirt compiling error


I'm trying to set up a development environment on an Arndale (ARM Samsung Exynos 5250) board to work on sVirt. I'm using Debian 7.0, I've downloaded the source code from GIT and than:
./autogen.sh --prefix=$HOME/usr

but in the middle of make execution, the program fails with this error:
conf/domain_conf.c: In function 'virDomainHostdevDefParseXML':
conf/domain_conf.c:3915:36: error: 'next_unit' may be used uninitialized in this function [-Werror=uninitialized]
conf/domain_conf.c:3886:9: note: 'next_unit' was declared here
conf/domain_conf.c: At top level:
cc1: error: unrecognized command line option "-Wno-unused-command-line-argument" [-Werror]

I've solved this problem simply initializing the "next_unit" variable (file src/conf/domain_conf.c, line 3886). This is the diff between the original file and the modified one:
<     int next_unit;
>     int next_unit = -1;

Another way to solve is obviously with --disable-werror, but I guess this is not the best way.

My gcc version is 4.6.3 (Debian 4.6.3-14), kernel version is 3.8.0-rc4.

Maybe it's only a compiler problem, but can anyone confirm this?
Is it worth to submit a new bug report/patch the source?

Michele Paolino 
Virtual Open Systems
Open Source  KVM  Virtualization  Developments
Multicore Systems Virtualization Porting Services
Web: www.virtualopensystems.com

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