[ccache] Build problem of qemu>=2.0 when using ccache.

marcin kowalski yoshi314 at gmail.com
Sat Aug 9 13:35:10 MDT 2014


It doesn't seem to make a difference. Similarily with completely emptied
cache.


2014-08-09 11:07 GMT+02:00 Joel Rosdahl <joel at rosdahl.net>:

> > Does it work if you disable ccache's direct mode, i.e. if you build with
> CCACHE_DIRECT=0?
>
> Sorry, that should have been CCACHE_NODIRECT=1.
>
> -- Joel
>
>
>
> On 9 August 2014 10:59, Joel Rosdahl <joel at rosdahl.net> wrote:
>
>> Hi,
>>
>> > Completely disabling ccache makes the build proceed correctly. Cleaning
>> the
>> > ccache caches doesn't help.
>>
>> Does it work if you disable ccache's direct mode, i.e. if you build with
>> CCACHE_DIRECT=0?
>>
>> -- Joel
>>
>>
>>  On 7 August 2014 12:14, marcin kowalski <yoshi314 at gmail.com> wrote:
>>
>>>  Hi all, i (and another user) have been experiencing odd issues when
>>> building qemu-2.0 or 2.1 with ccache enabled. Systems in question are
>>> gentoo, 64bit installations with differing gcc versions.
>>>
>>> Basically, it seems that build directory is missing some source files, or
>>> some preprocessing stage before actual compilation is adversely affected
>>> by
>>> ccache - some source files are not placed where build rules are expecting
>>> them to be, so this does not look like simple cache corruption issue.
>>>
>>> Build logs and some more information are available here :
>>> https://bugs.gentoo.org/show_bug.cgi?id=512484
>>>
>>> Completely disabling ccache makes the build proceed correctly. Cleaning
>>> the
>>> ccache caches doesn't help.
>>>
>>> I'd like to know how can i more closely narrow down the problem in
>>> question, since debugging ccache/compilers is not something i am familiar
>>> with.
>>>
>>> _______________________________________________
>>> ccache mailing list
>>> ccache at lists.samba.org
>>> https://lists.samba.org/mailman/listinfo/ccache
>>>
>>>
>>
>


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