If you had a month to improve gcc build parallelization, where would you begin?

[Sebastian Huber]

On 04/03/2013 05:39 PM, Jeff Law wrote:
> On 04/03/2013 09:27 AM, Simon Baldwin wrote:
>> Suppose you had a month in which to reorganise gcc so that it builds
>> its 3-stage bootstrap and runtime libraries in some massively parallel
>> fashion, without hardware or resource constraints(*).  How might you
>> approach this?
>>
>> I'm looking for ideas on improving the build time of gcc itself.  So
>> far I have identified two problem areas:
> One of the things I've noticed is multilib library targets don't build in
> parallel.
>
> I noticed this mostly in libjava, but it applies to others that use the
> automake generated bits.  Basically the i686 version of the library won't start
> building until the x86_64 version has completed due to Makefile lameness.

Building multilibs in parallel would be nice boost for cross-compiler builds.

-- 
Sebastian Huber, embedded brains GmbH

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