On 2015.09.01 at 10:00 +0200, Richard Biener wrote:
> On Mon, 31 Aug 2015, Markus Trippelsdorf wrote:
>
> > On 2015.08.31 at 16:44 +0200, Richard Biener wrote:
> > >
> > > So the state below now will pass LTO bootstrap (fingers crossing,
> > > stage3 running) as well as regular bootstrap. Iff I didn't break
> > > sth in the last minute. You need up-to-date trunk (watch out,
> > > fortran seems to be broken) to pull the fixes for trunk LTO bootstrap.
> >
> > Gold doesn't work at all (internal error in read_script_file, at
> > script.cc:1608).
> >
> > Even simple programs don't link anymore:
> >
> > trippels@gcc2-power8 ~ % echo "int main () {}" | g++ -x c++ - -flto
> > /home/trippels/bin/ld: /home/trippels/tmp/ccPhF9Ar.o: plugin needed to
> > handle lto object
> > /home/trippels/bin/ld: /home/trippels/tmp/ccjOv4bXdebugobj: plugin needed
> > to handle lto object
>
> Ah, I didn't notice that because I failed to pass -fuse-ld=gold to the
> linker command doing the incremental debug link (and my default linker
> is GNU ld). With that fixed I can reproduce the error.
The "plugin needed to handle lto object" also happen when using ld.bfd,
because you pass -fno-use-linker-plugin. Both linkers depend on
autoloading liblto_plugin.so.0.0.0 from lib/bfd-plugins.
--
Markus
