message: Allow ARM64 to build x86 things
diff: @@ -157,11 +157,24 @@ namespace vcpkg
  std::vector<CPUArchitecture> supported_architectures;
  supported_architectures.push_back(get_host_processor());
  - // AMD64 machines support to run x86 applications
  + // AMD64 machines support running x86 applications and ARM64 machines support running ARM applications
  if (supported_architectures.back() == CPUArchitecture::X64)
  {
  supported_architectures.push_back(CPUArchitecture::X86);
  }
  + else if (supported_architectures.back() == CPUArchitecture::ARM64)
  + {
  + supported_architectures.push_back(CPUArchitecture::ARM);
  + }
  +
  +#if defined(_WIN32)
  + // On ARM32/64 Windows we can rely on x86 emulation
  + if (supported_architectures.front() == CPUArchitecture::ARM ||
  + supported_architectures.front() == CPUArchitecture::ARM64)
  + {
  + supported_architectures.push_back(CPUArchitecture::X86);
  + }
  +#endif
  return supported_architectures;
  }
  