Re: llvm/clang upstream

From: Michał_Górny <>
Date: Tue, 30 Nov 2021 13:03:14 UTC
On Tue, 2021-11-30 at 13:22 +0100, Floyd, Paul wrote:
> > > It would be nice to be able to just 'git clone && cmake && make'
> > > (roughly speaking).
> > I do this all the time. What seems to be the problem?
> Now that I'm looking at this again, I think that the problem was that 
> when I first set up llvm builds I wrote a couple of scripts to run
> cmake 
> and then to run make. The cmake config script might now be out of
> date.
> When running make I get an error finding unwind.h.
> So my guess us that building libcxxapi without libunwind is broken but
> either not building libcxxapi or building it with libunwind works.

Please note that the "official" way of building stuff has changed a few
times, so you might be using an outdated approach.  I think the current
way of building runtimes is via LLVM_ENABLE_RUNTIMES.

Best regards,
Michał Górny