message: Declare global lock in test runner
  Summary: This declaration is required to compile the header in unit tests since the static variable needs to be initialized.
diff: * of patent rights can be found in the PATENTS file in the same directory.
  */
  +#pragma once
  +
  #include <boost/any.hpp>
  #include <mutex>
  @@ -82,3 +84,5 @@ class DexUnitTestRunner {
  private:
  std::vector<DexStore> m_stores;
  };
  +
  +std::mutex DexUnitTestRunner::g_setup_lock;
  