[all-commits] [llvm/llvm-project] f3c3a9: [libc][cmake] error if user disables sanitizers bu...

[Nick Desaulniers via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f3c3a9b8829760b730b6651e460f9035065dd4c5
      https://github.com/llvm/llvm-project/commit/f3c3a9b8829760b730b6651e460f9035065dd4c5
  Author: Nick Desaulniers <nickdesaulniers at users.noreply.github.com>
  Date:   2025-01-22 (Wed, 22 Jan 2025)

  Changed paths:
    M libc/CMakeLists.txt

  Log Message:
  -----------
  [libc][cmake] error if user disables sanitizers but wants scudo (#123834)

I found this out the hard way...though we don't suggest in our docs setting or
unsetting COMPILER_RT_BUILD_SANITIZERS, I had this explicitly disabled in a
cmake script I was using to setup an llvm-libc based sysroot. While the libc
compiled, hello world failed to link due to missing references to malloc at
link time. Though I had set the cmake variables to opt into using scudo,
apparently explicitly disabling sanitizers will still prevent scudo from being
built... Check for this at configure time and stop the build then.



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