Re: Curious minds .. etc

From: Søren_Schmidt <soren.schmidt_at_gmail.com>
Date: Fri, 22 Oct 2021 13:03:20 UTC
On 22 Oct 2021, at 14.05, Konstantin Belousov <kostikbel@gmail.com> wrote:
> 
> On Fri, Oct 22, 2021 at 01:07:47AM -0700, Julian Elischer wrote:
>> Several years ago (OK, maybe 12 years ago) I did an experiment where I
>> unpacked a
>> freebsd 1.1 (or maybe 2.0?) image into a subdirectory, and after installing
>> various
>> compat packagesand options and a.out support and changing MAX_PID to be
>> 60000, I was able to
>> chroot to it and do a "make world". Things were stupidly fast.
>> 
>> 
>> Has anyone been able to do such a thing in recent years? One wonders what
>> options one
>> would need and what the oldest Version we could run in this way was..
> 
> Yes, I added support for a.out to amd64, and wrote man page which documents
> all details that are relevant there, see aout(4).
> 

I have a 2.2.5 vbox image, with 256M mem and 1CPU (crashes with SMP) does buildworld in just under 4 minutes on 1 core from a i9 9900k.

--
Søren Schmidt
sos@deepcore.dk / sos@freebsd.org
"So much code to hack, so little time"