[all-commits] [llvm/llvm-project] f093d7: fix zstd_shared detection on mingw (#139945)

[Jameson Nash via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f093d7e46c8ed3b8f01b4a7a96207f054ee7c16f
      https://github.com/llvm/llvm-project/commit/f093d7e46c8ed3b8f01b4a7a96207f054ee7c16f
  Author: Jameson Nash <vtjnash at gmail.com>
  Date:   2025-05-25 (Sun, 25 May 2025)

  Changed paths:
    M llvm/cmake/modules/Findzstd.cmake

  Log Message:
  -----------
  fix zstd_shared detection on mingw (#139945)

The zstd_shared autodetection was broken for non-MSVC (mingw) compiled
LLVM, since it assumed that `*.a` uniquely identifies a file as being a
static library, but typically this is actually an import lib formed as
the longer name `*.dll.a` from the binary. This leads to confusing
output elsewhere, in cmake and llvm-config, when they report this is a
static library at an absolute path instead of a shared library named
`-lzstd`.



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