1 files changed, 10 insertions, 10 deletions

diff --git a/qpid/cpp/src/qpid/Plugin.h b/qpid/cpp/src/qpid/Plugin.h
index 4e057872b9..a0beba0d92 100644
--- a/qpid/cpp/src/qpid/Plugin.h
+++ b/qpid/cpp/src/qpid/Plugin.h
@@ -34,18 +34,18 @@ struct Options;
 /**
  * Plug-in base class.
  */
-class Plugin : private boost::noncopyable {
+class QPID_COMMON_CLASS_EXTERN Plugin : private boost::noncopyable {
   public:
     typedef std::vector<Plugin*> Plugins;
     /** Default value returned by initOrder() */
     static const int DEFAULT_INIT_ORDER=1000;
-    
+
     /**
      * Base interface for targets that can receive plug-ins.
      * Also allows plug-ins to attach a a function to be called
      * when the target is 'finalized'.
      */
-    class Target : private boost::noncopyable
+    class QPID_COMMON_CLASS_EXTERN Target : private boost::noncopyable
     {
       public:
         /** Calls finalize() if not already called. */
@@ -63,19 +63,19 @@ class Plugin : private boost::noncopyable {
 
     /**
      * Constructor registers the plug-in to appear in getPlugins().
-     * 
+     *
      * A concrete Plugin is instantiated as a global or static
-     * member variable in a library so it is registered during 
+     * member variable in a library so it is registered during
      * initialization when the library is loaded.
      */
     QPID_COMMON_EXTERN Plugin();
-    
+
     QPID_COMMON_EXTERN virtual ~Plugin();
 
     /**
      * Configuration options for the plugin.
      * Then will be updated during option parsing by the host program.
-     * 
+     *
      * @return An options group or 0 for no options. Default returns 0.
      * Plugin retains ownership of return value.
      */
@@ -94,7 +94,7 @@ class Plugin : private boost::noncopyable {
     /**
      * Initialize Plugin functionality on a Target. Called after
      * initializing the target.
-     * 
+     *
      * Plugins should ignore targets they don't recognize.
      *
      * Called after the target is fully initialized.
@@ -108,7 +108,7 @@ class Plugin : private boost::noncopyable {
      * a lower/higher value than DEFAULT_INIT_ORDER.
      */
     QPID_COMMON_EXTERN virtual int initOrder() const;
-    
+
     /** List of registered Plugin objects.
      * Caller must not delete plugin pointers.
      */
@@ -123,7 +123,7 @@ class Plugin : private boost::noncopyable {
     /** For each registered plugin, add plugin.getOptions() to opts. */
     QPID_COMMON_EXTERN static void addOptions(Options& opts);
 };
- 
+
 } // namespace qpid
 
 #endif  /*!QPID_PLUGIN_H*/