[RFC] Faster linking (-gsplit-dwarf, gold)

[Miklos Vajna]

Hi,

On Tue, Jun 26, 2018 at 12:21:24PM +0200, Luboš Luňák <l.lunak at collabora.com> wrote:
> Some numbers:
>                         normal  | split
> total debug build size   19120M |  14294M
> CXXObject dir size       10320M |   8137M
> libsclo.so size         461669K | 207951K
> libsclo bfd link time   32.433s | 20.697s
> libsclo gold link time  10.394s |  6.159s
> gdb symbols load time       49s |     51s

This looks very promising, it's easy to get distracted while waiting for
sw (or I imagine sc) to re-link even during incremental changes. A
32.433s -> 6.159s change sounds like a huge improvement here.

Thanks,

Miklos
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