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From: Simon Wright <simon@pushface.org>
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Subject: Re: to Simon Wright, re Mac OS X builds
Date: Thu, 06 Oct 2016 20:15:31 +0100
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Lucretia <laguest9000@googlemail.com> writes:

>> > Did you build gmp, mpc, mpfr and isl with apple's tools or with GCC?
>> > Did you just link in the firs into the GCC root dir?
>> 
>> I've always (since I read that it was possible) linked the maths
>> packages into the top-level GCC directory and let GCC build them.
>> 
>>    gmp-5.1.3
>>    mpc-1.0.2
>>    mpfr-3.1.2
>
> and ISL? Which version?

I don't have it (so I don't get the Graphite loop optimisations). But
personally I would avoid aggressive/unusual optimisations; If -O2 was
good enough for Nelson, it's good enough for me.