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Re: Enable -fuse-linker-plugin by default when possible

* Jan Hubicka wrote on Mon, Nov 29, 2010 at 02:18:52PM CET:
> > On 11/29/2010 01:11 PM, Jan Hubicka wrote:
> >> >  Can you instead add a dependency of configure-gcc on
> >> >  configure-lto-plugin and use "test -f ../lto-plugin/Makefile" to detect
> >> >  whether the plugin is in use?
> >>
> >> Hmm, OK, it seems bit hacky but easier than extra --with option...
> >> Will do that.
> >
> > It is a bit hacky.  However, I'm starting to think that everything that  
> > is added to the toplevel is "very" hacky, so checking for  
> > the Makefile is still better. :)
> Indeed, updating autogened Makefile template and toplevel configury was no fun.
> I spent couple days looking into this problem...

$ autoconf && autogen Makefile.def

$ .../configure --enable-maintainer-mode && make Makefile

That isn't too hard.

> I however run into new problem. With plugin enabled libtool breaks.

Upstream libtool has this fixed.

Paolo, have you looked into the --with-sysroot issues that prevent us
from updating the Libtool used in GCC currently?


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