[llvm-dev] Proposal: introduce dependency on abseil when building benchmarks

Renato Golin via llvm-dev
Thu, 07 Oct 2021 21:05:10 -0000

On Thu, 7 Oct 2021 at 20:51, James Y Knight <jyknight at google.com>
wrote:

> The plan should simply be: submit patches if it's broken on an
> architecture or OS that someone cares about.
>

This only works if the people who currently run those benchmarks in LLVM
can continue running them _before_ submitting patches.

Old versions of the toolchains is a different matter, however --
Abseil's
> general promise is to support an old release of a C++ compiler for 5 years
> after it has been superseded by a newer version. And supporting old
> compilers tends to be a significant burden, so unlike porting to a new CPU
> or OS, *that* isn't simply a "patches welcome" situation --
there would
> have to be a compelling case made that preserving support for an compiler
> older than that was important enough to be worth the hassle.
>

Because it supports clang, it should be fine.
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