Re: enabling link time optimizations in package builds
On Fri, Jul 01, 2022 at 07:52:16PM +0300, Adrian Bunk wrote:
> On Fri, Jun 17, 2022 at 10:18:43AM +0200, Matthias Klose wrote:
> > The proposal is to turn on LTO by default on most 64bit release
> > architectures.
>
> By what factor does -ffat-lto-objects increase disk space usage during
> package builds?
>
> Please coordinate with DSA to ensure that the buildds on these
> architectures have sufficient diskspace.
>
> amd64 buildds have/had(?) only 74 GB of diskspace, which has even
> without LTO already forced some packages to do manual cleanup steps
> during the build to stay within the limited disk space.
As amd64 is a fat arch these days, there's no excuse to not simply throw
more hardware at this particular problems. We do have excess money and
sponsors.
> A bigger worry is the schedule of such a change.
> A major toolchain change shortly before the freeze means the vast
> majority of packages will be shipped with non-LTO builds in the release,
So let's do such changes NOW rather than in December.
Meow!
--
⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ What kind of a drug are "base" and "red pill"? I think acid is
⢿⡄⠘⠷⠚⠋⠀ LSD, which would make base... ? Judging from the behaviour of
⠈⠳⣄⠀⠀⠀⠀ those "based and redpilled", something nasty.
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