From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: PowerPC & GNU/Hurd cross-compilation
Date: Sat, 21 Jan 2017 22:54:11 +0100
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To: Carlos =?utf-8?Q?S=C3=A1nchez?= de La Lama <csanchezdll@gmail.com>
Cc: guix-devel <guix-devel@gnu.org>

ludo@gnu.org (Ludovic Court=C3=A8s) skribis:

> $ file $(./pre-inst-env guix build -q --target=3Dpowerpc-linux-gnu guile =
)/bin/guile
> The following files will be downloaded:
>    /gnu/store/4cmc36jhjj2qq7z5pd0n9fw48dfq1cr7-guile-2.0.13-debug
>    /gnu/store/h153jzzqiz10xc3yh4r2w7lkrm5pbx88-guile-2.0.13
>    /gnu/store/253hrca11y3cjh2f83dcjaxiv9a2j5m3-gmp-6.1.2
>    /gnu/store/29iq9axvllgdrf6y6zfqz111icmy3pdj-libgc-7.6.0
>    /gnu/store/911r5chr83yi6xivavndgb6mcvn71qv1-libunistring-0.9.7
>    /gnu/store/hkhffl6c6iap2igbbcap2vqbcgh7xkjv-gcc-cross-sans-libc-powerp=
c-linux-gnu-5.4.0
>    /gnu/store/k2j02w9q58h6i07y1fixvcdq8jply68i-gcc-cross-powerpc-linux-gn=
u-5.4.0
>    /gnu/store/naqawviclvwzixvcjc17c3sss7zj9k1w-readline-7.0
>    /gnu/store/qivxbbn03scn5wn932ky8mm5xap5zn93-glibc-cross-powerpc-linux-=
gnu-2.24
>    /gnu/store/rqb8p9f13mfha1xkkjwf7wfjvzv34xlk-libltdl-2.4.6
>    /gnu/store/z1qain73n3475p6sdb2ignwyalckvgnx-libffi-3.2.1
>    /gnu/store/4dazcdvnbgvhdvi5aj17ci07mz1xwzvq-bash-4.4.5
>    /gnu/store/6fzzsp453p3n5axcnl0rddjf1yw9309m-ncurses-6.0
>    /gnu/store/r7dbj8y4nf024phn8sd2v4206y71mk8q-pkg-config-powerpc-linux-g=
nu-0.29
>    /gnu/store/rbhdn0wkbgb69w17f1fhridw81msam8v-libatomic-ops-7.4.4

With QEMU:

--8<---------------cut here---------------start------------->8---
$ qemu-ppc /gnu/store/4dazcdvnbgvhdvi5aj17ci07mz1xwzvq-bash-4.4.5/bin/bash =
--version
GNU bash, version 4.4.5(1)-release (powerpc-unknown-linux-gnu)
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm=
l>

This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
$ qemu-ppc /gnu/store/h153jzzqiz10xc3yh4r2w7lkrm5pbx88-guile-2.0.13/bin/gui=
le -q --version
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
--8<---------------cut here---------------end--------------->8---

Carlos, could you check whether the cross-compiled Guile works on a real
PowerPC machine?  I suspect =E2=80=98qemu-ppc=E2=80=99 doesn=E2=80=99t emul=
ate everything libgc
relies on.

Ludo=E2=80=99.