should aarch64 cross-build work at amd64?

[Glen Barber]

On Tue, Sep 27, 2016 at 09:46:29PM -0600, Ross Alexander wrote:
> On Fri, 23 Sep 2016 22:19:15 +0000, Glenn Barber wrote:
> 
> >On Sat, Sep 24, 2016 at 12:54:05AM +0300, Boris Samorodov wrote:
> >> 24.09.2016 00:44, Boris Samorodov ?????:
> >> > 24.09.2016 00:39, Glen Barber ?????:
> >> >> On Sat, Sep 24, 2016 at 12:35:30AM +0300, Boris Samorodov wrote:
> >> >>> make[1]: /poudriere/jails/HEAD-aarch64/usr/src/Makefile.inc1 line 177:
> >> >>> In-tree binutils does not support the aarch64 architecture. Install the
> >> >>> aarch64-binutils port or package or set CROSS_BINUTILS_PREFIX.
> >> >>
> >> >> These lines are relevant.
> >> >
> >> > Ops. Thank you.
> >>
> >> The error when aarch64-binutils are installed:
> >> -----
> >> % sudo poudriere jail -c -j HEAD-aarch64 -a arm.aarch64 -v head -m
> >> svn+https -J 8
> >
> >Try with 'arm64.aarch64'.
> >Glen
> 
> Glen,
> 
> The more I read this, the less I understand.  I've built and install'd
> aarch64-binutils on my poud box, then created an "-x -a arm64.aarch64 -m svn"
> jail - which worked fine - but that jail won't build anything.  No
> /usr/bin/ld, so toolchain is borked, so can't build ports-mgmt/pkg.
> What utterly obvious thing have I missed?  I've spent hours trying to
> fake out the nxb-bin stuff, or to find some other point of entry, no
> joy.
> 
> FreeBSD aubey2.bogons 12.0-CURRENT FreeBSD 12.0-CURRENT #0 r306286:
> Fri Sep 23 21:32:37 MDT 2016
> toor at aubey2.bogons:/usr/obj/usr/src/sys/GENERIC amd64
> 
> poudriere-devel-3.1.99.20160624_2
> 
> qemu-user-static-2.6.90.g20160728
> 
> aarch64-binutils-2.25.1_3,1
> 
> # /usr/sbin/binmiscctl lookup aarch64
> name: aarch64
> interpreter: /usr/local/bin/qemu-aarch64-static
> flags: ENABLED USE_MASK
> magic size: 20
> magic offset: 0
> magic: 0x7f 0x45 0x4c 0x46  0x02 0x01 0x01 0x00  0x00 0x00 0x00 0x00
>        0x00 0x00 0x00 0x00  0x02 0x00 0xb7 0x00
>        mask:  0xff 0xff 0xff 0xff  0xff 0xff 0xff 0x00  0xff 0xff 0xff 0xff
>               0xff 0xff 0xff 0xff  0xfe 0xff 0xff 0xff
> 
> failing jail is "11-stab-arm64 11.0-PRERELEASE r306344 arm64.aarch64 svn 2016-09-26 18:54:15 /usr/local/pd/jails/11-stab-arm64"
> 

You should not need to use binmiscctl and QEMU.  Try:

 # poudriere jail -c -j HEAD-aarch64 -a arm.aarch64 -v head -m \
    svn+https

Glen

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