> On 2013.11.18 at 19:04 +0100, Jan Hubicka wrote: > > Hi, > > this patch switches the default for fat-lto-objects as was documented for a > > while. > > -ffat-lto-objects doubles compilation time and often makes users to not > > notice that > > LTO was not used at all (because they forgot to use gcc-ar/gcc-nm plugins). > > > > Sadly I had to add -ffat-lto-objects to bootstrap. This is because I do not > > know > > how to convince our build machinery to use gcc-ar/gcc-nm during the stage2+ > > I've posted a minimal patch set for slim-lto-bootstrap last year, see: > http://thread.gmane.org/gmane.comp.gcc.patches/270842 > > If there's interest I could repost it.
It would be really nice to have it in indeed. I think we do not really need lto-bootstrap.mk and slim-lto-bootstrap.mk, but otherwise the patch seems easy enough and would save quite some of lto bootstrap testing time... Paolo, DJ, can you take a look, please? Honza > > -- > Markus