[macports-ports] branch master updated: Add optimizations variant to python{27, 35, 36, 37}

Blair Zajac blair at orcaware.com
Sun Jul 15 21:29:58 UTC 2018

> On Jul 15, 2018, at 1:30 PM, Perry E. Metzger <pmetzger at macports.org> wrote:
> On Sat, 14 Jul 2018 21:07:38 -0700 Eitan Adler <lists at eitanadler.com>
> wrote:
>> "It greatly increases build time so it must be disabled by default."
>> is not good justification. In fact, that enabling optimization
>> increases build time, is good motivation to *enable* it by default,
>> so that most users will be able to use binary packages.
> It can take tens of minutes instead of a minute or two to build
> when you turn it on. That's quite different from the fairly slight
> change that normal optimization brings. Indeed, for some people, the
> extra time for the build may significantly exceed the sum of the gains
> they ever experience running Python over the lifetime of the binaries.
> It is thus now available for users, but not the default.

It seems to me that most people, if they are using the binary builds, would benefit from this change, so having the build bot do the compile once for all users seems like a good idea. So unless there’s places where the optimization hurts, I suggest enabling it by default.


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