On Fri, Jul 24, 2020 at 5:11 PM Jeff Law <l...@redhat.com> wrote:
> > One error I've seen in libreoffice is a gcc / annobin segfault:
> >
> > [build CXX] vcl/unx/gtk3/gtk3gtkinst.cxx
> > *** WARNING *** there are active plugins, do not report this as a bug
> > unless you can reproduce it without enabling any plugins.
> > Event | Plugins
> > PLUGIN_FINISH_UNIT | annobin: Generate final annotations
> > PLUGIN_START_UNIT | annobin: Generate global annotations
> > PLUGIN_ALL_PASSES_START | annobin: Generate per-function
> > annotations
> > PLUGIN_ALL_PASSES_END | annobin: Register per-function end symbol
> > /builddir/build/BUILD/libreoffice-6.4.5.2/vcl/workben/vcldemo.cxx: In
> > destructor 'virtual DemoWin::RenderThread::~RenderThread()':
> > /builddir/build/BUILD/libreoffice-6.4.5.2/vcl/workben/vcldemo.cxx:1733:18:
> > internal compiler error: Segmentation fault
> > 1733 | join();
> This sounds like a compiler bug. Can you try adding
> "%define _lto_cflags %{nil}"
>
> To the .spec file and see if that gets you over the hump? I've seen one
> failure
> of this nature in my LTO testing and haven't gotten around to producing a
> bugreport suitable for upstream (but the affected package has LTO disabled to
> keep it from failing its builds). My tester reports that it's never got a
> clean
> control build of libreoffice, so I've never dug into it for any LTO specific
> failures.
I added this %define _lto_cflags %{nil} to the top of the libreoffice
.spec file, and compiled it in mock locally.
And it spits out the same GCC crash error message without LTO.
Fabio
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