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Date: Mon, 22 Mar 2010 14:57:12 +0100
From: Jan Kiszka <jan.kiszka@siemens.com>
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Subject: [Qemu-devel] Re: Build always fail on x86_32 host for i386_softmmu
	target
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To: Juan Quintela <quintela@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Bruce Majia <bruce.majia@gmail.com>

Juan Quintela wrote:
> Jan Kiszka <jan.kiszka@siemens.com> wrote:
>> Juan Quintela wrote:
>>> Bruce Majia <bruce.majia@gmail.com> wrote:
>>>> Hi,
>>>>
>>>> When I built qemu on my x86_32 host with following configure line:
>>>>
>>> try to do first a:
>>> make distclean
>>>
>>>> $ ./configure --prefix=/usr/local/qemus/master \
>>>> 	--target-list=i386-softmmu
>>>> $ make
>>> there are several config.h & config.mak around (from old builds) you
>>> need to remove then 1st.
>> Doesn't the fact that this is required for a proper rebuild indicate
>> some issue in the build system? I just recall a recent multi-hour
>> debugging session of mine which turned out to be due to an inconsistent
>> build after moving forward in the git history (in qemu-kvm, but the code
>> change came from upstream). Or are there some fundamentally unresolvable
>> scenarios so that a distclean is mandatory after every git update?
> 
> Humm, no, it should only happens if you update from a _very_ old qemu
> (very old means something between qemu-0.11 - 0.12).
> 
> If you had need it after 0.12, it is a different bug and should be fixed.
> 

I think I tried to reproduced this, but I failed after purging the buggy
output directory (out-of-tree build):

http://thread.gmane.org/gmane.comp.emulators.kvm.devel/47499

Maybe you are luckier than I :), or we have to wait for the next issue
to come.

Jan

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