Re #12917 Undid previous changes that rely on C++11's "= delete".

Code/Mantid/Framework/API/inc/MantidAPI/IMDWorkspace.h

@@ -133,8 +133,8 @@ public:
   virtual MDNormalization displayNormalization() const;
 
 protected:
-  IMDWorkspace(const IMDWorkspace &other) = default;
-  IMDWorkspace &operator=(const IMDWorkspace &other) = default;
+  IMDWorkspace(const IMDWorkspace &other);
+  IMDWorkspace &operator=(const IMDWorkspace &other);
   virtual const std::string toString() const;
 };
 

Code/Mantid/Framework/API/inc/MantidAPI/Workspace.h

@@ -84,8 +84,8 @@ public:
   const WorkspaceHistory &getHistory() const { return m_history; }
 
 protected:
-  Workspace(const Workspace &other) = default;
-  Workspace &operator=(const Workspace &other) = default;
+  Workspace(const Workspace &other);
+  Workspace &operator=(const Workspace &other);
 
 private:
   void setName(const std::string &);

Code/Mantid/Framework/API/src/IMDWorkspace.cpp

@@ -13,6 +13,11 @@ namespace API {
 /** Default constructor */
 IMDWorkspace::IMDWorkspace() : Workspace(), Mantid::API::MDGeometry() {}
 
+//-----------------------------------------------------------------------------------------------
+/** Copy constructor */
+IMDWorkspace::IMDWorkspace(const IMDWorkspace &other)
+    : Workspace(other), Mantid::API::MDGeometry(other) {}
+
 /// Destructor
 IMDWorkspace::~IMDWorkspace() {}
 

Code/Mantid/Framework/API/src/Workspace.cpp

@@ -11,6 +11,13 @@ namespace API {
 Workspace::Workspace()
     : DataItem(), m_title(), m_comment(), m_name(), m_history() {}
 
+/** Copy constructor
+ * @param other :: workspace to copy
+ */
+Workspace::Workspace(const Workspace &other)
+    : DataItem(other), m_title(other.m_title), m_comment(other.m_comment),
+      m_name(other.m_name), m_history(other.m_history) {}
+
 /// Workspace destructor
 Workspace::~Workspace() {}