svn commit: r288911 - head/share/mk

[Warner Losh]

On Tue, Oct 6, 2015 at 3:05 PM, Simon J. Gerraty <sjg at juniper.net> wrote:

> Warner Losh <imp at bsdimp.com> wrote:
> > > The sys.mk change to include src.conf breaks building ports in a
> sub-dir
> > > of src. Meaning, /usr/src/ports/.  The MAKESYSPATH with '.../share/mk'
> > > finds /usr/src/share/mk and runs off with all of the src.*.mk stuff
> long
> > > before the port Makefile includes bsd.port.mk, from
> > > /usr/src/share/mk/bsd.port.mk, which has a _WITHOUT_SRCCONF= guard set
> > > on it to avoid bsd.own.mk from including src.conf.  But because sys.mk
> > > is already included long before this, src.conf is already included and
> > > anything handled in sys.mk has no real way to respect _WITHOUT_SRCCONF
> > > unless it is in the environment
> >
> > Yuck!
> >
> > But the real problem here is MAKESYSPATH of …/share/mk. That was  a
> > hack until we had something like SRCTOP that we could use for finding
> > the right stuff and for individual builds. So if we can solve that
> > part of th
>
> but you only get SRCTOP as a consequence of finding the right
> sys.mk et al.  Which presumes you have MAKESYSPATH set correctly.
> Ie. you find the right src.sys.env.mk and it can set SRCTOP based on
> knowing its own location.
>
> A bit of chicken & egg...
>

That's why I haven't fixed it. I haven't puzzled out a how to cut the
Gordian
Knot yet.

Warner