make release and various make.conf's

[Lowell Gilbert]

Stijn Hoop <stijn at win.tue.nl> writes:

> I want to build a release that's as pristine as possible. Therefore
> I wanted to use a separate make.conf (A) for the initial chroot installation
> 'make buildworld', and a separate make.conf (B) for the 'make release' step.
> As the host's /etc/make.conf has options that are not appropriate for
> building the initial chroot install, make.conf (A) cannot be /etc/make.conf.
> 
> So I tried to build the chroot install with
> 
> # env __MAKE_CONF=/freebsd/etc/make.conf.host make buildworld
> 
> which succeeded. Then I tried to make the release but there I ran into
> a problem -- I needed to specify the above make.conf.host in the __MAKE_CONF
> variable in order for the initial 'installworld' to succeed -- but then I
> couldn't specify a __MAKE_CONF for the release build!
> 
> Is there a way to accomplish what I want?

I believe the release engineers normally use a jail(8) for this purpose.