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

[Reid Kleckner via llvm-dev]

On Thu, Sep 30, 2021 at 10:08 AM Mircea Trofin via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> TL;DR; When either of LLVM_BUILD_BENCHMARKS or LIBCXX_INCLUDE_BENCHMARKS
> are enabled, as well as for llvm-test-suite, a dependency to abseil would
> either be auto-downloaded by the build system, or need to be
> user-specifiable, or provided in the source tree.
>

Could you please elaborate on which of these approaches will be used for
LLVM? How will this affect regular LLVM developers?

----

This is truly unrelated, but I have a lot of feelings about this, and I
will use this opportunity to inappropriately complain that the benchmarks
library has been spamming me with cmake warnings about std::regex for
years: https://bugs.llvm.org/show_bug.cgi?id=38874 The CMake step really
ought to be warning-clean.
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