[all-commits] [llvm/llvm-project] bb83f0: [runtimes] Prefer -fvisibility-global-new-delete=f...

[Martin Storsjö via All-commits]

  Branch: refs/heads/release/18.x
  Home:   https://github.com/llvm/llvm-project
  Commit: bb83f055091c3e1a024811658f5b76925d3963ee
      https://github.com/llvm/llvm-project/commit/bb83f055091c3e1a024811658f5b76925d3963ee
  Author: Martin Storsjö <martin at martin.st>
  Date:   2024-03-14 (Thu, 14 Mar 2024)

  Changed paths:
    M libcxx/src/CMakeLists.txt
    M libcxxabi/src/CMakeLists.txt
    M libunwind/src/CMakeLists.txt

  Log Message:
  -----------
  [runtimes] Prefer -fvisibility-global-new-delete=force-hidden (#84917)

27ce26b06655cfece3d54b30e442ef93d3e78ac7 added the new option
-fvisibility-global-new-delete=, where -fvisibility-global-new-delete=force-hidden
is equivalent to the old option -fvisibility-global-new-delete-hidden.
At the same time, the old option was deprecated.

Test for and use the new option form first; if unsupported, try
using the old form.

This avoids warnings in the MinGW builds, if built with Clang 18 or
newer.

(cherry picked from commit 1f973efd335f34c75fcba1ccbe288fd5ece15a64)



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