[all-commits] [llvm/llvm-project] adf1ff: [llvm] cmake config groundwork to have ZSTD in LLVM

[Cole Kissane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: adf1ffe95854a245cbc48bbaea55f60b003d5f76
      https://github.com/llvm/llvm-project/commit/adf1ffe95854a245cbc48bbaea55f60b003d5f76
  Author: Cole Kissane <cole.kissane at gmail.com>
  Date:   2022-07-08 (Fri, 08 Jul 2022)

  Changed paths:
    M compiler-rt/test/lit.common.cfg.py
    M llvm/lib/Support/CMakeLists.txt

  Log Message:
  -----------
  [llvm] cmake config groundwork to have ZSTD in LLVM

- added `FindZSTD.cmake`
- added a CMake option `LLVM_ENABLE_ZSTD` with behavior mirroring that of `LLVM_ENABLE_ZLIB`
- likewise added have_zstd to compiler-rt/test/lit.common.cfg.py, clang-tools-extra/clangd/test/lit.cfg.py, and several lit.site.cfg.py.in files mirroring have_zlib behavior

Reviewed By: leonardchan, MaskRay

Differential Revision: https://reviews.llvm.org/D128465