[cfe-dev] [llvm-dev] LLD to be the default linker in Clang

[Renato Golin via cfe-dev]

On 28 October 2016 at 18:12, Ed Maste <emaste at freebsd.org> wrote:
> It should be possible to search the path for ld.lld first, then ld,
> but to me it seems like it will just be more confusing.

Hum, for me it would be less confusing. :)

GCC uses bfd by default, LLVM uses LLD. If you want to change, use -fuse-ld.

What would be confusing in this scenario?


> Clang's current approach (ld from $PATH by default, or ld.arg from
> -fuse-ld=arg) suits us in FreeBSD. Today we have:
>     /usr/bin/ld.bfd (GNU ld 2.17.50)
>     /usr/bin/ld (ld.bfd symlink)
>
> We'll soon add
>     /usr/bin/ld.lld

This seems like a simple enough approach. I guess my problem is more
about building toolchains than shipping them.


> The only downside of -fuse-ld= that I'm aware of affects GCC only, not
> Clang: GCC accepts only -fuse-ld=bfd and -fuse-ld=gold, and Davide's
> patch to add -fuse-ld=lld was met with hostility. But that shouldn't
> have any effect on Clang.

Just had a look at the thread. Some silly comments were expected, but
I think Davide has withdrawn his patch too early.

AFAIK, there's absolutely nothing in the GCC license, moto and
copyright statements that forbid the usage of a non-GNU linker, and
the argument "lld has bugs" is pointless.

I would try again.

cheers,
--renato