[all-commits] [llvm/llvm-project] 3c227a: [cmake] Silence a duplicate libraries warning from...

[Jon Roelofs via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3c227a31dd1046db02323868b9690a6152cfb3b8
      https://github.com/llvm/llvm-project/commit/3c227a31dd1046db02323868b9690a6152cfb3b8
  Author: Jon Roelofs <jonathan_roelofs at apple.com>
  Date:   2024-03-13 (Wed, 13 Mar 2024)

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

  Log Message:
  -----------
  [cmake] Silence a duplicate libraries warning from Apple's linker (#85012)

ld: warning: ignoring duplicate libraries:

This triggers quite frequently in llvm's build because CMake's library
depends mechanism doesn't de-duplicate libraries on the link line.
Duplication is necessary for ELF platforms, but means something subtly
different on Darwin platforms, hence the warning. Since we don't have
much control over that from CMake, just disable the warning wholesale
whenever the linker is detected to support it.



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