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

From: Jamie Lokier
Subject: Re: [Qemu-devel] [7234] Use a more natural order
Date: Thu, 23 Apr 2009 23:13:34 +0100
User-agent: Mutt/1.5.13 (2006-08-11)

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.

Just remember to clear out the cache when upgrading GCC :-)

-- Jamie

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