--- yaml-cpp_0.7.0.orig/include/yaml-cpp/node/detail/node.h	2022-02-28 16:33:49.164735965 -0700
+++ yaml-cpp_0.7.0-dll_test_fix/include/yaml-cpp/node/detail/node.h	2022-02-28 17:16:17.043610192 -0700
@@ -169,7 +169,7 @@
   using nodes = std::set<node*, less>;
   nodes m_dependencies;
   size_t m_index;
-  static std::atomic<size_t> m_amount;
+  static YAML_CPP_API std::atomic<size_t> m_amount;
 };
 }  // namespace detail
 }  // namespace YAML