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Date:      Mon, 09 Oct 2017 13:14:42 -0600
From:      Ian Lepore <ian@freebsd.org>
To:        Warner Losh <imp@bsdimp.com>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: Difficulty with armv6 to v7 transition.
Message-ID:  <1507576482.84167.20.camel@freebsd.org>
In-Reply-To: <CANCZdfrMaxL5fJrtiTMD__7OPDR0EbRNw-BNXoJwa-JdyFNomQ@mail.gmail.com>
References:  <20171009175216.GA52497@www.zefox.net> <1507573171.84167.9.camel@freebsd.org> <CANCZdfrMaxL5fJrtiTMD__7OPDR0EbRNw-BNXoJwa-JdyFNomQ@mail.gmail.com>

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On Mon, 2017-10-09 at 12:37 -0600, Warner Losh wrote:
> On Oct 9, 2017 12:19 PM, "Ian Lepore" <ian@freebsd.org> wrote:
> 
> On Mon, 2017-10-09 at 10:52 -0700, bob prohaska wrote:
> > 
> > On an RPI2 model B, invoking
> > make -j4 -DNO_CLEAN MACHINE_ARCH=armv7 buildworld > buildworld.log
> Never set MACHINE_ARCH when building, use TARGET_ARCH.  Be sure to
> set
> TARGET_ARCH when installing as well.
> 
> 
> 
> That was a specific work around...
> 
> But the real issue is the system compiler does need to be rebuilt..
> 
> Warner
> 
> 

Which means when upgrading from self-hosted armv6 to armv7, you're
really doing a full crossbuild (just like when we did the armv6hf->v6
dance), so TARGET_ARCH= actually is the right answer?


> -- Ian
> 
> > 
> > (after a cleandir)
> > the log promptly reports
> > make[1]: "/usr/src/Makefile.inc1" line 162: SYSTEM_COMPILER:
> > Determined that CC=cc matches the source tree.  Not bootstrapping a
> > cross-compiler.
> > make[1]: "/usr/src/Makefile.inc1" line 450: To cross-build, set
> > TARGET_ARCH.
> > *** [buildworld] Error code 1
> > 
> > make: stopped in /usr/src
> > 
> > The kernel is r322520, sources are at 324424. Kernel r324342 does
> > likewise.
> > 
> > Thanks for reading, and any suggestions.
> > 
> > bob prohaska
> > 
> > _______________________________________________
> > freebsd-arm@freebsd.org mailing list
> > https://lists.freebsd.org/mailman/listinfo/freebsd-arm
> > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.o
> > rg
> > "
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