Cross buildworld on amd64 for i386 errors

[Herbert J. Skuhra]

On Tue, 26 Jan 2016 00:20:18 +0100,
Daniel Eischen <deischen at freebsd.org> wrote:
> 
> On Mon, 25 Jan 2016, Craig Rodrigues wrote:
> 
> > On Mon, Jan 25, 2016 at 1:55 PM, Daniel Eischen <deischen at freebsd.org>
> > wrote:
> > 
> >> 
> >> I'm trying to build an i386 buildworld on an amd64 system.
> >> I'm at r294370.
> >> 
> >> This is what I've tried so far:
> >> 
> >>   make TARGET_ARCH=i386 MAKEOBJDIRPREFIX=/opt/foo/obj.x86 -j8 buildworld
> >>   make TARGET=i386 MAKEOBJDIRPREFIX=/opt/foo/obj.x86 -j8 buildworld
> >> 
> >> Neither of which work.  They both result in the error below.  What
> >> is the standard procedure for cross-building i386 from amd64?
> >> 
> > 
> > It looks like you are not alone in encountering these problems.
> > For this build set up by Li-Wen Hsu:
> > https://jenkins.freebsd.org/job/FreeBSD_HEAD_i386
> > 
> > he downloads this image
> > http://ftp.freebsd.org/pub/FreeBSD/releases/i386/i386/10.2-RELEASE/base.txz
> > and then extracts that to create an i386 jail, where the build is performed
> > on an amd64 host.
> 
> I guess there was a real compilation bug in the version of
> -stable that I first used.  After updating from r294370 to
> r294747, the problem seems to have been fixed.  FYI, the
> following worked:
> 
>   make TARGET_ARCH=i386 -j4 buildworld

From make.conf(5):

CAVEATS
     Note, that MAKEOBJDIRPREFIX and MAKEOBJDIR are environment variables and
     should not be set in make.conf or as command line arguments to make(1),
     but in make's environment.

--
Herbert