message: Fixing LLVM build on Mac when using monorepo (git checkout)
diff: @@ -286,7 +286,10 @@ def build_LLVM(version_LLVM, revision, folder, tarball, debug, selfbuild, extra,
  checkout_LLVM("libcxx", options.use_git, version_LLVM, revision, "libcxx", from_validation)
  os.chdir("..")
  else:
  - llvm_enable_projects +=";libcxx"
  + # We either need to explicitly opt-out from using libcxxabi from this repo, or build and use it,
  + # otherwise a build error will occure (attempt to use just built libcxxabi, which was not built).
  + # An option to build seems to be a better one.
  + llvm_enable_projects +=";libcxx;libcxxabi"
  if extra == True:
  if not options.use_git:
  os.chdir("tools/clang/tools")
  