Re: Switching the default Haskell compiler to GHC 9.10 (lang/ghc910)

[PHO <pho%cielonegro.org@localhost>]

On 2/4/25 00:43, Jonathan Perkin wrote:
> * On 2025-02-03 at 09:06 GMT, PHO wrote:
>
> > On 2/3/25 16:17, Jonathan Perkin wrote:
> > > * On 2025-02-03 at 03:39 GMT, PHO wrote:
> > >
> > > > While looking at your 9.4 bootkit I found it had several shared 
> > > > libraries in ./lib/pkgsrc, and GHC binaries had relative rpaths to 
> > > > them. How did you do this? Could you provide instructions in files/ 
> > > > BOOTSTRAP.md so that future me can produce bootkits like this?
> > >
> > > I would have done it similar to the Rust bootstraps, have a look at 
> > > this section:
> > >
> > >   https://github.com/NetBSD/pkgsrc/blob/pkgsrc-2024Q4/lang/rust/ 
> > > Makefile#L642-L684
> >
> > Thanks. I'll try to integrate this to Hadrian, the build system for 
> > GHC. It will take some time though, so you may still want to do it 
> > manually this time :D
>
> I've managed to generate a 9.8.2 bootstrap kit, using the same approach 
> as for Rust.  I needed to let hadrian build the wrong bootstrap first, 
> and then unpacked it and fixed it up.  It's in the usual place.

Thank you!

> I needed an extra patch to turn off split sections, as the linker script 
> is specific to GNU ld.  ChatGPT helped me write this patch as I know 
> zero haskell:
>
>    https://gist.github.com/jperkin/eb4c39231627eb053d6e33e2b8b4ebef
>
> There's probably a cleaner way, I'll leave it to you to re-work and 
> integrate as necessary.

ChatGPT speaks Haskell?! Cool...

And yeah, I noticed the same problem as well, and fixed it with this patch:
https://github.com/NetBSD/pkgsrc/blob/trunk/lang/ghc98/patches/patch-hadrian_src_Settings_Builders_Cabal.hs