[Buildroot] [RFC PATCH v4 8/9] lld: new package

Thomas Petazzoni thomas.petazzoni at bootlin.com
Thu Jun 21 12:45:43 UTC 2018


On Wed, 20 Jun 2018 12:14:25 -0700, Joseph Kogut wrote:

> After looking over this package again, I'm thinking it should be host
> only. Without a compiler on the target, a linker really doesn't have
> any utility.

Indeed, I missed this obvious aspect when reviewing the package.

> Also, the LLVM project claims drop-in compatibility and much better
> performance with LLD compared to GNU ld/gold, so I'm curious how using
> LLD as the default linker would affect build times. I'll do some
> experiments.

Having support for using llvm/clang/lld as a toolchain replacement was
discussed, and it was on Valentin's radar. It would definitely be
interesting to see some progress in this area, even though I believe it
will be tricky as I'm sure a large number of packages will not build
nicely with clang, the Linux kernel being an important package falling
into this category.

Best regards,

Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering

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