Date: Wed, 27 Feb 2013 20:46:35 -0500 From: Glen Barber <gjb@FreeBSD.org> To: Darren Pilgrim <list_freebsd@bluerosetech.com> Cc: freebsd-stable@freebsd.org Subject: Re: Building RELENG_9 (or RELENG_9_*) on a small machine? Message-ID: <20130228014635.GB70215@glenbarber.us> In-Reply-To: <512EB5BD.1020803@bluerosetech.com> References: <512EB5BD.1020803@bluerosetech.com>
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On Wed, Feb 27, 2013 at 05:41:17PM -0800, Darren Pilgrim wrote:
> So I have this VM which only has 256 MB of memory and 9.1-R installed.
> I want to update it to RELENG_9, but buildworld swaps so bad it grinds
> nearly to a halt. Even make -j1 -B runs into very heavy swapping. So
> two questions:
>
> 1. Is there anything I can do to set a limit on how much memory the
> compiler uses?
>
You can disable building clang with this line in /etc/src.conf:
WITHOUT_CLANG=yes
> 2. If I crossbuild for this machine, can I get away with doing
> buildworld on a buildbox, ship the obj tree, and do installworld and
> mergemaster on the VM? It's been a few enternities since I did a cross
> build and back then it was crossbuilding releases.
Yes, that should work.
Glen
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