On Thu, Oct 25, 2018 at 12:52 PM Ken Moffat via blfs-dev
<[email protected]> wrote:
>
> I looked at Arch this morning, both for firefox beta (now 64b from
> an hg pull) and 63 (now on their second variant).  They seem to
> fiddle about with a few clang options, my impression was that for
> 63.0 they are using gcc.  They also tell it to use gold (my memory
> says it will find that if it is available, even when bfd is the
> default).

It did use to enable gold if it found it, but not anymore.  You have
to explicitly define the linker with --enable-linker=gold option now.

> Things which we don't have include a flag for hardening (dunno),
>  --enable-rust-simd (no idea, nor whether our build supports that)
> and --enable-lto.
>

LTO currently only works with clang and with LLVM linker lld.
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