Date: Mon, 28 Jan 2008 16:14:21 -0500 From: John Baldwin <jhb@freebsd.org> To: "Steven Hartland" <killing@multiplay.co.uk> Cc: freebsd-amd64@freebsd.org Subject: Re: Cross build of i386 on 7.0 fails Message-ID: <200801281614.21988.jhb@freebsd.org> In-Reply-To: <000f01c85fa6$0d0dd7c0$b6db87d4@multiplay.co.uk> References: <07bb01c85f68$04f85440$b6db87d4@multiplay.co.uk> <200801251503.29219.jhb@freebsd.org> <000f01c85fa6$0d0dd7c0$b6db87d4@multiplay.co.uk>
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On Friday 25 January 2008 06:00:16 pm Steven Hartland wrote:
>
> ----- Original Message -----
> From: "John Baldwin" <jhb@freebsd.org>
> > On Friday 25 January 2008 10:36:14 am Steven Hartland wrote:
> >> I'm sure I must be missing something simple but I've searched google
> >> and the mail archives and cant find the answer to this.
> >>
> >> When trying to build i386 targets in amd64 buildkernel fails with the
> >> following:-
> >> > make buildkernel TARGET=i386
> >> ....
> >> >>> stage 3.1: making dependencies
> >> ...
> >> /usr/src/sys/i386/i386/genassym.c:1: error: -mpreferred-stack-boundary=2
is
> > not between 4 and 12
> >>
> >> What I think is happening is that something is still working as though
> >> I want amd64 bins and hence the error. Is this the case? What am I
> >> missing?
> >
> > Did you do 'make TARGET=i386 kernel-toolchain' (or buildworld or
toolchain)
> > first?
>
> Nope, that fixed it thanks a lot!
>
> On standard builds that step seems to be done automatically? So is there
> a missing dependency / check when cross building?
Well, standard builds are allowed to fall back to using the regular tools on
the box (e.g. /usr/bin/make). Perhaps that shouldn't happen for
cross-builds. cc'ing ru@ as he would know better about that than I. Maybe
TMPPATH should just be STRICTTMPPATH if TARGET is set?
> Now I know that option searching for kernel-toolchain turned up the
information
> in "man build" which seems to have similar but more info than the header
of:-
> /usr/src/Makefile
>
> It might be nice to have a reference "man build" in the header to help
others
> who try to do the same thing and ensure they don't hit the same brick wall I
> did.
Something like this perhaps? (ru@, I'll leave it to you to figure out a
better way/place to do this):
Index: Makefile
===================================================================
RCS file: /usr/cvs/src/Makefile,v
retrieving revision 1.344
diff -u -r1.344 Makefile
--- Makefile 13 Dec 2007 00:08:02 -0000 1.344
+++ Makefile 28 Jan 2008 21:09:04 -0000
@@ -75,6 +75,8 @@
# developer convenience only. They are intentionally not documented and
# completely subject to change without notice.
#
+# For more information, see the build(7) manual page.
+#
TGTS= all all-man buildenv buildenvvars buildkernel buildworld \
check-old check-old-dirs check-old-files check-old-libs \
checkdpadd clean cleandepend cleandir \
--
John Baldwin
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