Re: [Qemu-devel] Build error with git commit 8eb29f1bf5a974dc4c11d2d1f5e7c7f7a62be116 on x86_64

[Philippe Mathieu-Daudé]

Hi Andrew,

On 2/23/19 1:35 AM, Andrew Randrianasulu wrote:
> Hello!
> 
> I just pulled latest git
> 
[...]
> 
> and default build with simple ./configure on slackware 14.2 x86-64 box failed 
> like this:
> 
> address@hidden:~/src/qemu# LANG=C make -j 5
>         CHK version_gen.h
>   CC      qobject/block-qdict.o
>   CC      util/thread-pool.o
>   CC      util/main-loop.o
>   CC      util/qemu-timer.o
>   CC      util/iohandler.o
>   CC      util/aio-posix.o
> qobject/block-qdict.c: In function 'qdict_array_split':
> qobject/block-qdict.c:259:9: error: 'subqdict' may be used uninitialized in 
> this 
> function [-Werror=maybe-uninitialized]
>          qlist_append_obj(*dst, subqobj ?: QOBJECT(subqdict));
>          ^

That's odd, I can not reproduce with a simple ./configure:

$ cat /etc/slackware-version
Slackware 14.2

$ gcc --version
gcc (GCC) 5.5.0

>  LANG=C gcc --version
> gcc (GCC) 5.5.0
> Copyright (C) 2015 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.