[all-commits] [llvm/llvm-project] 98c4ea: [libc++] Improve diagnostic for libcxxabi missing ...

[Louis Dionne via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 98c4ea46bd474bff97c99be0800bd7b310185a29
      https://github.com/llvm/llvm-project/commit/98c4ea46bd474bff97c99be0800bd7b310185a29
  Author: Louis Dionne <ldionne.2 at gmail.com>
  Date:   2026-07-14 (Tue, 14 Jul 2026)

  Changed paths:
    M libcxx/cmake/Modules/HandleLibCXXABI.cmake

  Log Message:
  -----------
  [libc++] Improve diagnostic for libcxxabi missing from the runtimes (#208274)

When libc++ is configured to use libc++abi as an ABI library but
libcxxabi is not part of the runtimes, we'd end up with a confusing
build error about a missing <cxxabi.h> header. Instead, diagnose at
CMake configuration time.

Closes #136480



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