bug#66205: GuixSD on powerpc64le

[jbranso]

September 26, 2023 5:50 PM, "Sus Amogus" <iskrim666@gmail.com> wrote:

> I'm currently working on building Guix System for powerpc64le, and I've 
> encountered a few issues
> that I could use some assistance with.

Sweet!  My friend ownes a blackbird and a Talso II! Let me know if you need 
help building grub
or various testing!

> 
> Firstly, linux-initrd failing because gcc-7.5 package used for 
> bootstrap-glibc do not support
> --with-long-double-128. Removing this works just fine -- with last gcc 
> package:
> 
>> /gnu/packages/make-bootstrap.scm
> 
>> (native-inputs
> 
>> `(("gcc" ,gcc-7.5)
> 
>> ,@(package-native-inputs base)))
> 
> I'm curious why gcc-7.5 was built without --with-long-double-128, especially 
> considering it's
> defined for powerpc64le-linux in /gnu/packages/gcc.scm under 
> (gcc-configure-flags-for-triplet).
> 
> Furthermore, I've encountered issues with Grub, which are detailed in this 
> issue:
> https://issues.guix.gnu.org/54407. I believe that porting gcc-12-multilib 
> from Debian could
> potentially resolve this problem.

Sounds like a good place to start!

> Lastly, any image generated from (system-disk-image) depends on 
> grub-efi{,32}, but (a) grub-efi
> build fails on ppc*, and (b) ppc* systems do not use EFI.

Yeah...the Talos II has peptiboot installed in the bios or something?
https://github.com/open-power/petitboot

> The remaining problems mostly involve software patching or minor code 
> adjustments.

Definitely ask for for help in testing this stuff!
 
> Best regards,
> 
> Mykhailo Chernysh
> iskrim666@gmail.com