HEADS-UP: Merged llvm/clang 5.0.0 into -CURRENT (as of r321369)

[Shawn Webb]

On Sat, Jul 22, 2017 at 01:32:17PM -0400, Shawn Webb wrote:
> On Sat, Jul 22, 2017 at 11:33:08AM -0400, Shawn Webb wrote:
> > On Sat, Jul 22, 2017 at 02:36:03PM +0200, Dimitry Andric wrote:
> > > Hi,
> > > 
> > > I have merged clang, llvm, lld, lldb, compiler-rt and libc++ 5.0.0
> > > (trunk r308421) into head.  Universe builds went just fine, but if you
> > > encounter any snags during world and/or kernel builds, please file PRs.
> > > 
> > > Since upstream has just created their 5.0.0 release branch, this is a
> > > good month to shake out any remaining issues for FreeBSD.  If you are
> > > certain bugs or regressions you encounter are due to upstream, file PRs
> > > there, but otherwise, just report them on the FreeBSD bug tracker.
> > 
> > Hey Dimitry,
> > 
> > Thank you very much for your hard work and dedication to bringing the
> > llvm toolchain to FreeBSD.
> > 
> > I haven't nailed down whether it's SafeStack, CFI, or using lld as the
> > default linker, but it looks like we in HardenedBSD are getting an
> > undefined symbol during buildworld.
> > 
> > Here's the logfile:
> > 
> > http://jenkins.hardenedbsd.org:8180/jenkins/job/HardenedBSD-CURRENT-amd64/910/consoleText
> > 
> > I'm working right now on figuring out what caused it. I'll report back
> > when I know more.
> 
> Found the culprit: WITH_LLD_BOOTSTRAP. It looks like when
> MK_LLD_BOOTSTRAP is set to yes, then you get the error in the Jenkins
> log above. At least, on amd64. I do _not_ get the error on arm64.

I forgot to mention that WITH_LLD_IS_LD is set, too. I haven't tested
WITH_LLD_BOOTSTRAP && WITHOUT_LLD_IS_LD.

Thanks,

-- 
Shawn Webb
Cofounder and Security Engineer
HardenedBSD

GPG Key ID:          0x6A84658F52456EEE
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