On Thu, Sep 19, 2019 at 02:28:04PM +0100, Ray Kinsella wrote: > > > On 19/09/2019 13:35, Andrzej Ostruszka wrote: > > On 9/18/19 3:32 PM, Ray Kinsella wrote: > ...> > > Compilation time is much longer. In a normal hack|fix/compile/repeat > > cycle with "compile" part being simple "make" the link time might be a > > bit annoying. So I imagine keeping LTO off for the most part of the dev > > cycle and then at the end when doing release/cleanup turn LTO on - to > > either get release build ready or to get some set of warnings that you > > address before yet another attempt to release build. > > Well look, I would say a few things. > > 1. I see build times going down dramatically with Meson/Ninja in any case.
In the general case yes, but mainly it helps if you have a large number of cores. For anyone building in a CI with only a couple of cores, meson+ninja isn't going to help much. /Bruce