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From: "Robert P. J. Day" <rpjday@crashcourse.ca>
To: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: OE Core mailing list <openembedded-core@lists.openembedded.org>
Subject: Re: on current linux distros, what are potential candidates for ASSUME_PROVIDED?
Date: Wed, 25 Feb 2015 03:41:02 -0500 (EST)	[thread overview]
Message-ID: <alpine.LFD.2.11.1502250340130.25049@localhost> (raw)
In-Reply-To: <1424853407.26813.29.camel@linuxfoundation.org>

On Wed, 25 Feb 2015, Richard Purdie wrote:

> On Wed, 2015-02-25 at 03:25 -0500, Robert P. J. Day wrote:
> >   for the sake of reducing build time in the classroom, what are some
> > of the potential (and relatively safe) candidates to add to
> > ASSUME_PROVIDED for a build from scratch?
>
> This path is fraught with danger to be honest. There are some things
> which are "safe" like subversion and git but they don't make that much
> difference to a build and there are not as many as you'd think.
>
> The biggest difference you can make is an sstate cache you share amongst
> the pupils. The time is spent:
>
> a) building gcc
> b) building libc
> c) building gettext
> d) building glib
>
> each of these is a bottle neck which then opens up a new set of targets
> as none of them are ASSUME_PROVIDED material.

  ok, fair enough.

rday

-- 

========================================================================
Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
========================================================================


  reply	other threads:[~2015-02-25  8:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-25  8:25 on current linux distros, what are potential candidates for ASSUME_PROVIDED? Robert P. J. Day
2015-02-25  8:36 ` Richard Purdie
2015-02-25  8:41   ` Robert P. J. Day [this message]
2015-02-26 19:03     ` Stephen Arnold

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