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. -- Markus
