On Tue, 2014-04-29 at 13:31 +0800, Julian Elischer wrote:
> On 4/29/14, 8:57 AM, Ian Lepore wrote:
> > On Mon, 2014-04-28 at 18:36 -0600, Warner Losh wrote:
> >> On Apr 28, 2014, at 1:48 AM, Julian Elischer <jul...@freebsd.org> wrote:
> >>
> >>> I need to do the equivalent of "cd /usr/src/cddl/usr.sbin/dtrace; make
> >>> DESTDIR=/mumble all install”
> >> cd /usr/src
> >> make distributeworld DESTDIR=/mumble
> >> cd cddl/usr.sbin/dtrace
> >> make buildenv
> >> make all install
> >>
> >>> but it pulls in libraries from the base system, which differ slightly
> >>> from those in the source tree.
> >> The above will create the right /mumble hierarchy, and will pull the
> >> libraries from the build rather than the local system.
> >>
> >>> How can I force it to use /mumble2/include and /mumble2/lib instead of / ?
> >>>
> >>> I can pre-populate /mumble2 using "make buildworld", "make libraries",
> >>> and "make includes" but
> >>> I need to be able to do selective builds of just subdirectories after
> >>> that.. I haven't spotted the right way of forcing the use of the
> >>> "--system_root /mumble2" option in the compiles.
> >>>
> >>> I know we do it in 'buildworld' is there a more generic way?
> >>>
> >>> I have been looking in the .mk files but I haven't spotted it so far.
> >> You’re asking for some serious split-brain action. chroot builds are
> >> likely your best option. There’s no easy way to force this, although you
> >> might get some milage out of WMAKEENV options, but I think we bake most of
> >> the where to look for things options into the binaries. One crazy option
> >> would be to set CC=“cc —sysroot /mumble” but I’m sure there be dragons
> >> there…
> >>
> >> Good luck with this crazy, never have we supported it very well, option :)
> >>
> >> Warner
> > Actually the hooks are in place to do this stuff. Instead of make
> > buildenv to get an interactive shell you can do something like
> >
> > BLDENV=`${MAKE} buildenvvars`
> > chroot buildchroot/ "env -i $${BLDENV} cd /usr/src/somewhere && \
> > make all install"
> >
> > -- Ian
> >
> >
> >
> >
> Is there a way to specify a different toolchain destination? i.e. not
> /usr/obj/usr/src/tmp ?
>
Not right now -- all that stuff is in Makefile.inc1 (WORLDTMP var and
related stuff) and there are no provisions for overriding it.
-- Ian
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