Groups > linux.debian.maint.python > #10437

Re: Profile-guided optimisation / link-time optimisation in Buster

From	Matthias Klose <doko@debian.org>
Newsgroups	linux.debian.maint.python
Subject	Re: Profile-guided optimisation / link-time optimisation in Buster
Date	2018-04-23 09:20 +0200
Message-ID	<vHDVv-70R-3@gated-at.bofh.it> (permalink)
References	<vHtjs-8kM-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 22.04.2018 21:31, Matthew Woodcraft wrote:
> I noticed that profile-guided optimisation and link-time optimisation
> have both been unconditionally disabled in Buster's Python 3.6 and 3.7
> packages, though 3.5 in Stretch had them both enabled (on common
> platforms).
> 
> Can anyone tell me why this was done?
> 
> 
> I see nothing about this in debian/changelog and the indentation in
> debian/rules looks odd, so I'm wondering if it might even have been an
> unintentional change.
> 
> 
> It's these extra lines in debian/rules:
> 
>    with_pgo =
>    with_lto =
> 
> just before the
>  ifeq ($(with_lto),yes)
> line.

yep, will turn it on again.

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Profile-guided optimisation / link-time optimisation in Buster Matthew Woodcraft <matthew@woodcraft.me.uk> - 2018-04-22 22:00 +0200
  Re: Profile-guided optimisation / link-time optimisation in Buster Matthias Klose <doko@debian.org> - 2018-04-23 09:20 +0200

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