Re: llvm update to 20.1.8

[Adam <adam%netbsd.org@localhost>]

I would say: go for it. I'll try to fix what's broken. As far as I remember, LLDB used to build on NetBSD, but it had problems when libcxx is also installed.

Cheers,
Adam


> Hi!
> 
> I've worked on an update for llvm & all related packages to 20.1.8, as
> well as some other packages that needed build fixes for the new llvm
> version. The update is based on adam's work up to commit
> 1f701ceffc8429f61d994f9cb829b4c07e4f4bf4 in wip (wip is already
> tracking llvm 21) with additional fixes.
> 
> This llvm update allow upgrading zig (included) and rust (not
> included) to newer versions.
> 
> I've tested bulk-test-llvm (including rust, zig, firefox and
> thunderbird) on NetBSD 11.99.5/x86_64, and it built except for two
> packages:
> 
> mlir:
> 
> fails, not finding libMLIR.* - reported upstream at
> https://github.com/llvm/llvm-project/issues/181584
> 
> lldb:
> 
> fails in the NetBSD specific code - reported upstream at
> https://github.com/llvm/llvm-project/issues/181586
> 
> lldb is a leaf packages (except for the bulk test package), mlir is
> used by flang.
> 
> I'd like to go ahead with the update anyway so we can get newer rust &
> zig.
> 
> The update is here[1]:
> 
> https://www.netbsd.org/~wiz/llvm-20.5.diff
> 
> Please review & test, and if you have ideas for fixes for the two
> problems listed above, I'd appreciate it.
> 
> Thanks,
> Thomas
> 
> 
> [1] The update is not in wip because wip is not well suited for this
> use case (you could install the packages from there, but the
> dependencies in the standard pkgsrc tree would have to be manually
> changed to point to wip for bulk builds to succeed) - pkgsrc branches
> would be better.
>