extern "C" void
LLVMRustJIT(LLVMPassManagerRef PMR,
                        LLVMModuleRef M,
                        const char *triple,
                        CodeGenOpt::Level OptLevel,
      bool EnableSegmentedStacks) {

  InitializeAllTargets();
  InitializeAllTargetMCs();
  InitializeAllAsmPrinters();
  InitializeAllAsmParsers();

  TargetOptions Options;
  Options.NoFramePointerElim = true;
  Options.EnableSegmentedStacks = EnableSegmentedStacks;

  std::string Err;
  const Target *TheTarget = TargetRegistry::lookupTarget(triple, Err);
  std::string FeaturesStr;
  std::string Trip(triple);
  std::string CPUStr = llvm::sys::getHostCPUName();
  TargetMachine *Target =
    TheTarget->createTargetMachine(Trip, CPUStr, FeaturesStr,
           Options, Reloc::PIC_,
           CodeModel::Default, OptLevel);
  PassManager *PM = unwrap<PassManager>(PMR);
  Module* m = unwrap(M);

  PM->run(*m);

  ExecutionEngine* engine = JIT::createJIT(m, &Err, 0, false, Target);

  /*typedef void (*entry)();
  entry me = reinterpret_cast<entry>(engine->getPointerToFunction(engine->FindFunctionNamed("main")));
  me();*/

  delete Target;
}