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From: Julio Merino <jmmv@freebsd.org>
Date: Fri, 11 Jul 2014 20:17:07 -0400
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Subject: Re: svn commit: r267424 - in head: share/mk tools/build/options
To: Glen Barber <gjb@freebsd.org>, Warner Losh <imp@freebsd.org>
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On Tue, Jul 8, 2014 at 10:34 PM, Julio Merino <jmmv@freebsd.org> wrote:
>
> OK.  Regardless, I suppose that being able to build HEAD from the
> supported releases is supposed to work?  Even from 8.4?  Will
> investigate for 9.x.

Alright. I could reproduce this... but it was not obvious.

A "make buildworld" with WITH_TESTS=yes from 9.3_RC3 works *just fine*.

The problem is that tinderbox is setting
MAKESYSPATH=/path/to/src/share/mk and this seems to cause the build
system to not compile and use the bmake that is in current, instead
relying on the host make (/usr/bin/make).  This is a problem because
the -current *.test.mk use the :tW modifier which is not present in
the bmake version shipped in 9.x.

So what's the bug here? Should *.test.mk stop using :tW or is
tinderbox broken because it's bypassing the build of a current bmake
(which is bound to cause problems in an older system)? I'd call the
bug is the latter because "make buildworld" works just fine...