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Date: Thu, 23 Jan 2014 10:47:28 -0500
Message-ID: <CAB7-od=jH_eiWoMWEFZ_CzDCrBdHonx3se1YkPX75Zwo-y_R+w@mail.gmail.com>
Subject: Re: Lessons learned from source upgrade from FreeBSD i386 9.2 Stable
 to FreeBSD i386 10.0 Release.
From: Thomas Hoffmann <trh411@gmail.com>
To: freebsd-current <freebsd-current@freebsd.org>
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Cc: Warren Block <wblock@wonkity.com>, Jakub Lach <jakub_lach@mailplus.pl>
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On Thu, Jan 23, 2014 at 9:56 AM, Warren Block <wblock@wonkity.com> wrote:
>
>
> Using -DNOCLEAN with an existing /usr/obj can go even faster than ccache:
> less than two minutes for a buildworld on my frequently updated i5/SSD
> system, sometimes less than one minute.


Can you elaborate on this, please? I always clear my /usr/obj before
starting a buildworld, which takes 2 hours to run on my system. Are you
saying if I do "make -DNOCLEAN buildworld" I do not have to clear /usr/obj
first AND my buildworld will run faster (AND with no downside)?

Thanks.
-Tom