declare_args() {
  # Whether to build code that requires the Microsoft DIA SDK.
  # If this is set, %INCLUDE% must contain ".../DIA SDK/include"
  # and %LIB% must contain ".../DIA SDK/lib/amd64". Or use
  # llvm/utils/sysroot.py and set sysroot in args.gn.
  llvm_enable_dia_sdk = false
}