[llvm-dev] (Thin)LTO llvm build

Tue Sep 27 08:56:02 PDT 2016

> On Sep 27, 2016, at 7:00 AM, Teresa Johnson <tejohnson at google.com> wrote:
> 
> 
> 
> On Tue, Sep 27, 2016 at 6:53 AM, Mehdi Amini <mehdi.amini at apple.com <mailto:mehdi.amini at apple.com>> wrote:
> 
> 
> > On Sep 27, 2016, at 2:18 AM, Carsten Mattner <carstenmattner at gmail.com <mailto:carstenmattner at gmail.com>> wrote:
> >
> >> On Mon, Sep 26, 2016 at 11:02 PM, Teresa Johnson <tejohnson at google.com <mailto:tejohnson at google.com>> wrote:
> >> I'll either need to get a reproducer from you and/or try to repro it myself.
> >
> > Assuming I run into this with BUILD_SHARED_LIBS=OFF, which seems unlikely,
> > what kind of reproducer data would you need from me?
> 
> Let me see if I can reproduce it first. Probably a zip of all the inputs to the link and the link command line. Another option would be to save the temp files, but it would require some work to find the one producing the error and I might need all the inputs anyway...
>  
> >
> >> I usually don't check out and build lldb, so perhaps I will start with that.
> >
> > I must say I'm surprised a ThinLTO build of all of LLVM svn isn't part of
> > the periodic builders.
> 
> 
> I have one, it just does include LLDB.
> 
> Great, I was going to ask how to get one set up. Is it an official build bot?

It is not public if that’s what you're asking. We need Xcode 8 to build with ThinLTO, and the public Apple bots (Green Dragon) is running Xcode 7.

> And I assume you meant it just does "not" include LLDB?

Yes.

— 
Mehdi

> 
> Working getting a shared build of LLDB right now...
> 
> Teresa
> 
> 
> Mehdi
> >
> >> As a workaround you could try -DBUILD_SHARED_LIBS=OFF.
> >
> > Thanks, will do, but probably not before Wednesday because it looks like
> > this requires a full rebuild, if my interpretation of the cmake warning/error
> > is correct.
> 
> 
> 
> -- 
> Teresa Johnson |	 Software Engineer |	 tejohnson at google.com <mailto:tejohnson at google.com> |	 408-460-2413

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