Re: PowerPC & GNU/Hurd cross-compilation

[Ludovic Courtès]

address@hidden (Ludovic Courtès) skribis:

> $ file $(./pre-inst-env guix build -q --target=powerpc-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-powerpc-linux-gnu-5.4.0
>    
> /gnu/store/k2j02w9q58h6i07y1fixvcdq8jply68i-gcc-cross-powerpc-linux-gnu-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-gnu-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.html>

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/guile 
-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 ‘qemu-ppc’ doesn’t emulate everything libgc
relies on.

Ludo’.