Difficulty with armv6 to v7 transition.

bob prohaska fbsd at www.zefox.net
Wed Oct 11 03:00:19 UTC 2017


On Tue, Oct 10, 2017 at 08:41:17PM -0600, Warner Losh wrote:
> On Tue, Oct 10, 2017 at 8:39 PM, Warner Losh <imp at bsdimp.com> wrote:
> 
> >
> >
> > On Tue, Oct 10, 2017 at 8:33 PM, bob prohaska <fbsd at www.zefox.net> wrote:
> >
> >> On Mon, Oct 09, 2017 at 12:19:31PM -0600, Ian Lepore 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.
> >>
> >> Tried it, like so:
> >> root at www:/usr/src # make -j4 buildworld TARGET_ARCH=armv7 >
> >> buildworld.log &    [1] 1006
> >> root at www:/usr/src # 1 error
> >>
> >> [1]    Exit 2                        make -j4 buildworld
> >> TARGET_ARCH=armv7 > buildworld.log
> >> root at www:/usr/src # more *.log
> >> --- buildworld ---
> >> make[1]: "/usr/src/Makefile.inc1" line 450: To cross-build, set
> >> TARGET_ARCH.
> >> *** [buildworld] Error code 1
> >>
> >> make: stopped in /usr/src
> >>
> >> I also tried setting TARGET=arm and WITHOUT_SYSTEM_COMPILER=yes in various
> >> iterations. Should the variables be set somewhere else, in a config file?
> >>
> >> At this point the kernel is at r324499, along with the sources. Userland
> >> dates from late June (operator error). Kernels build, but could that make
> >> the trouble I'm seeing? Clang -v reports
> >>
> >> FreeBSD clang version 4.0.0 (tags/RELEASE_400/final 297347) (based on
> >> LLVM 4.0.0)
> >> Target: armv6-unknown-freebsd12.0-gnueabihf
> >> Thread model: posix
> >> InstalledDir: /usr/bin
> >>
> >> Thanks again!
> >
> >
> > uname -a says what?
> >
>
root at www:/usr/src # 
root at www:/usr/src # uname -a
FreeBSD www.zefox.com 12.0-CURRENT FreeBSD 12.0-CURRENT #0 r324499: Tue Oct 10 18:06:39 PDT 2017     root at www.zefox.com:/usr/obj/usr/src/sys/RPI2  arm
 
> What happens if you do a build with TARGET_ARCH=armv7?
> 

root at www:/usr/src # make TARGET_ARCH=armv7 buildworld > buildworld.log 
make[1]: "/usr/src/Makefile.inc1" line 450: To cross-build, set TARGET_ARCH.
root at www:/usr/src # 

FWIW, /etc/make.conf does not exist. Seemingly the variable isn't recognized.
Maybe a config error someplace?

Thanks again,

bob prohaska



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