How to debug "TLS transition from R_X86_64_TLSGD to R_X86_64_GOTTPOFF failed"

[H.J. Lu]

On Tue, Jan 15, 2019 at 12:20 PM Antoine Pitrou <antoine@python.org> wrote:
>
>
> Le 15/01/2019 à 21:11, H.J. Lu a écrit :
> > On Tue, Jan 15, 2019 at 12:07 PM Antoine Pitrou <antoine@python.org> wrote:
> >>
> >>
> >> Le 15/01/2019 à 20:24, H.J. Lu a écrit :
> >>> On Tue, Jan 15, 2019 at 11:11 AM Antoine Pitrou <antoine@python.org> wrote:
> >>>>
> >>>>
> >>>> Hello,
> >>>>
> >>>> I'm getting this error when trying to compile our C++ project on Ubuntu 16.04
> >>>> (with gcc 5.4.0 and GNU ld):
> >>>>
> >>>> /usr/bin/ld: /home/travis/build/pitrou/arrow/cpp-toolchain/lib/libprotobuf.a(common.o): TLS transition from R_X86_64_TLSGD to R_X86_64_GOTTPOFF against `_ZSt15__once_callable' at 0x38e in section `.text' failed
> >>>> /home/travis/build/pitrou/arrow/cpp-toolchain/lib/libprotobuf.a: error adding symbols: Bad value
> >>>>
> >>>> (full log: https://travis-ci.org/pitrou/arrow/jobs/480030097#L1498)
> >>>>
> >>>> The binutils version is 2.26.1-1ubuntu1~16.04.7 (on x86-64).
> >>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >>>
> >>> This is a very ancient binutils. Please try binutils 2.31.
> >>
> >> First, it's not obvious to me how to install such a newer binutils on
> >> Ubuntu 16.04.  No official backports seem provided.
> >
> > There are many many changes in binutils since 2.26.   What you ran into
> > may have been fixed.   But we will never know if you don't try.
>
> It is not possible to upgrade to a custom binutils on that system, since
> it's a CI system (hosted on Travis-CI).
>
> However, on a development system with binutils 2.30-21ubuntu1~18.04,
> things work fine.
>
>

This indicates that this bug has been fixed between binutils 2.26 and 2.30.
The question is which commit fixed it and you can help track it now.

-- 
H.J.