Re: [Qemu-devel] [7234] Use a more natural order

[Anthony Liguori <anthony@codemonkey.ws>]

Jamie Lokier wrote:
> Anthony Liguori wrote:
>   
>>> It might take 30 minutes, but it saves large amounts of time for everyone
>>> else later.  Also I would hope make is smart enough to only recompile
>>> the bits that changed, so that shouldn't take as long.
>>>       
>> A great deal of our objects are target specific.  Almost everything 
>> depends on CONFIG_USER_ONLY too.  This means that full compilation takes 
>> a very long time.
>>     
>
> You might find ccache helps.  For this kind of testing, nearly every
> compile should be a cache hit, so the slow part is limited running
> configure, make and preprocessing, and the final link.
>   

If it wasn't for ccache, my current testing setup would probably take 
days to complete :-)

For each patch, I do an rm -rf $(builddir) to also catch any possible 
bugs in configure and avoid false positives from old config-* files.

Regards,

Anthony Liguori