[llvm-dev] (Thin)LTO llvm build
Teresa Johnson via llvm-dev
llvm-dev at lists.llvm.org
Tue Sep 27 14:55:38 PDT 2016
On Tue, Sep 27, 2016, 2:38 PM Carsten Mattner <carstenmattner at gmail.com>
> On Tue, Sep 27, 2016 at 11:17 PM, Teresa Johnson <tejohnson at google.com>
> > Sure, I will try this and let you know. Unfortunately, though, I
> > have another big work commitment that is going to eat up most of my
> > time through Thu, although I may be able to find some time to try
> > it.
> No worries, if I get around it before you do, I will :).
> > I think so - what is confusing me is that your cmake command is
> > specifying the same $PREFIX for both the install destination and the
> > source of the llvm-ar/llvm-ranlib that will be used in the new
> > build. Should the llvm-ar/llvm-ranlib in the cmake command use your
> > moved-to PREFIX instead?
> Only if 'ninja install` would reference the two executables. If that's
> case, and I haven't gotten that far yet due to ThinLTO not finishing,
> I'll consider copying those to the local build tree first.
> > Can you nm the .so files in your lib dir and see if any reference
> > __morestack?
> $ for so in lib/*.so; do echo $so ; nm $so|grep __morestack;done
> U __morestack
> Looks like liblldb.so does. Does that explain anything?
Interesting, it doesn't in my build. Let me think about what might trigger
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