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

[Andrew Randrianasulu <randrianasulu@gmail.com>]

В сообщении от Tuesday 26 February 2019 11:54:12 вы написали:
> On 25/02/2019 18.29, Andrew Randrianasulu wrote:
> > В сообщении от Monday 25 February 2019 19:19:01 Philippe Mathieu-Daudc3a9
> >
> > написал(а):
> >> 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:
> >>>
> >>> root@slax:~/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
> >
> > Well, then may be this is false positive, right now another qemu instance
> > is busy inside same chroot, will try patch posted in earlier mail (after
> > removing CFLAG I added for compiling qemu at all after this error).
> >
> > Thanks for trying to reproduce.
>
> Just to be sure: You don't compile with -O3 or -O1 or -O0 in the CFLAGS
> here, do you?

This time  it was -O3, but I got some corruption in ppc64le guest's X, so I plan 
to revert this -O3 back to default ....

another qemu still busy compiling kernel (modified Alpine linux ppc64le config), 
and also Cinelerra-GG (video editor I'm hacking on), so I hope whole thing will 
be finished ..in day or so.

>
>  Thomas