Re: llvm update to 20.1.8

[Thomas Klausner <wiz%netbsd.org@localhost>]

Hi!

Adam also fixed lldb (thanks, Adam!), so only flang broken now:

https://www.netbsd.org/~wiz/llvm-20.8.diff

 Thomas


On Thu, Feb 26, 2026 at 09:12:11AM +0100, Thomas Klausner wrote:
> Hi!
> 
> Another update: adam fixed mlir, unmasking flang.
> 
> Now only lldb and flang are broken.
> 
> https://www.netbsd.org/~wiz/llvm-20.7.diff
> 
> (This llvm version is needed for updating rust, btw.)
> 
> Comments?
>  Thomas
> 
> On Sat, Feb 21, 2026 at 12:01:05PM +0100, Thomas Klausner wrote:
> > Hi!
> > 
> > I've updated the diff - ccls was updated in the meantime, and I've
> > reduced the differences to the current pkgsrc state and restored one
> > Solaris patch.
> > 
> > https://www.netbsd.org/~wiz/llvm-20.6.diff
> > 
> > Testing welcome.
> > 
> > Thanks,
> >  Thomas
> > 
> > 
> > On Mon, Feb 16, 2026 at 01:41:20AM +0100, Thomas Klausner wrote:
> > > 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.