On May 2, 2019 7:00:16 PM GMT+02:00, Segher Boessenkool <seg...@kernel.crashing.org> wrote: >On Thu, May 02, 2019 at 03:18:00PM +0200, Richard Biener wrote: >> Somewhen earlier this year I've done the experiment with using >> a compile with -flto -fno-fat-lto-objects and a link >> via -flto -r -flinker-output=rel into the object file. This cut >> compile-time more than in half with less maintainance overhead. >> >> Adding other files to this handling looks trivial as well, as well >> as conditionalizing it (I'd probably not want this for devel builds). > >But we want devel builds to be a lot faster than they are now :-/
My devel build is -O0 non-bootstrapped and building the files after dependency changes is fast enough. It's the bootstraps that matter, no? Richard. > >Segher