diff --git a/pvAccessApp/ca/caChannel.cpp b/pvAccessApp/ca/caChannel.cpp
index 60b10ce..5260ac3 100644
--- a/pvAccessApp/ca/caChannel.cpp
+++ b/pvAccessApp/ca/caChannel.cpp
@@ -5,9 +5,10 @@
  */
 
 #include <pv/logger.h>
-#include <pv/caChannel.h>
 #include <pv/standardField.h>
 
+#include <pv/caChannel.h>
+
 using namespace epics::pvData;
 using namespace epics::pvAccess;
 using namespace epics::pvAccess::ca;
diff --git a/pvAccessApp/ca/caProvider.cpp b/pvAccessApp/ca/caProvider.cpp
index 5bef77b..3b4e9f1 100644
--- a/pvAccessApp/ca/caProvider.cpp
+++ b/pvAccessApp/ca/caProvider.cpp
@@ -4,16 +4,19 @@
  * in file LICENSE that is included with this distribution.
  */
 
-#include <pv/logger.h>
-#include <pv/caProvider.h>
-#include <pv/caChannel.h>
-
 #include <algorithm>
 
 /* for CA */
 #include <cadef.h>
 #include <epicsSignal.h>
 
+#include <pv/logger.h>
+
+#define epicsExportSharedSymbols
+
+#include <pv/caProvider.h>
+#include <pv/caChannel.h>
+
 using namespace epics::pvData;
 using namespace epics::pvAccess;
 using namespace epics::pvAccess::ca;
diff --git a/pvAccessApp/ca/caProvider.h b/pvAccessApp/ca/caProvider.h
index 80b5b2c..5eb904c 100644
--- a/pvAccessApp/ca/caProvider.h
+++ b/pvAccessApp/ca/caProvider.h
@@ -10,11 +10,13 @@
 #include <pv/pvAccess.h>
 #include <map>
 
+#include <shareLib.h>
+
 namespace epics {
 namespace pvAccess {
 namespace ca {
 
-class CAChannelProvider :
+class epicsShareClass CAChannelProvider :
         public ChannelProvider,
         public std::tr1::enable_shared_from_this<CAChannelProvider>
 {
@@ -68,7 +70,7 @@ private:
 };
 
 
-class CAClientFactory
+class epicsShareClass CAClientFactory
 {
 public:
     static void start();
diff --git a/pvAccessApp/client/pvAccess.cpp b/pvAccessApp/client/pvAccess.cpp
index d5b79fc..df74e7c 100644
--- a/pvAccessApp/client/pvAccess.cpp
+++ b/pvAccessApp/client/pvAccess.cpp
@@ -4,6 +4,7 @@
  * in file LICENSE that is included with this distribution.
  */
 
+#define epicsExportSharedSymbols
 #include <pv/pvAccess.h>
 
 namespace epics {
diff --git a/pvAccessApp/client/pvAccess.h b/pvAccessApp/client/pvAccess.h
index fa9d247..bb47b3a 100644
--- a/pvAccessApp/client/pvAccess.h
+++ b/pvAccessApp/client/pvAccess.h
@@ -6,14 +6,29 @@
 
 #ifndef PVACCESS_H
 #define PVACCESS_H
+
+#include <vector>
+
+#ifdef epicsExportSharedSymbols
+#   define pvAccessEpicsExportSharedSymbols
+#   undef epicsExportSharedSymbols
+#endif
+
 #include <pv/pvData.h>
 #include <pv/status.h>
 #include <pv/destroyable.h>
 #include <pv/monitor.h>
-#include <pv/pvaVersion.h>
-#include <vector>
 #include <pv/bitSet.h>
 
+#ifdef pvAccessEpicsExportSharedSymbols
+#   define epicsExportSharedSymbols
+#	undef pvAccessEpicsExportSharedSymbols
+#endif
+
+#include <pv/pvaVersion.h>
+
+#include <shareLib.h>
+
 namespace epics {
 namespace pvAccess { 
 
@@ -38,7 +53,7 @@ namespace pvAccess {
         /**
          * 
          */
-        class Lockable
+        class epicsShareClass Lockable
         {
             public:
             POINTER_DEFINITIONS(Lockable);
@@ -52,7 +67,7 @@ namespace pvAccess {
         /**
          * Scope lock.
          */
-        class ScopedLock : private epics::pvData::NoDefaultMethods {
+        class epicsShareClass ScopedLock : private epics::pvData::NoDefaultMethods {
             public:
             
             explicit ScopedLock(Lockable::shared_pointer const & li)
@@ -95,7 +110,7 @@ namespace pvAccess {
         /**
          * Base interface for all channel requests.
          */
-        class ChannelRequest : public epics::pvData::Destroyable, public Lockable, private epics::pvData::NoDefaultMethods {
+        class epicsShareClass ChannelRequest : public epics::pvData::Destroyable, public Lockable, private epics::pvData::NoDefaultMethods {
             public:
             POINTER_DEFINITIONS(ChannelRequest);
         };
@@ -104,7 +119,7 @@ namespace pvAccess {
          * Request to put and get Array Data.
          * The data is either taken from or put in the PVArray returned by ChannelArrayRequester.channelArrayConnect.
          */
-        class ChannelArray : public ChannelRequest{
+        class epicsShareClass ChannelArray : public ChannelRequest{
             public:
             POINTER_DEFINITIONS(ChannelArray);
 
@@ -136,7 +151,7 @@ namespace pvAccess {
         /**
          * The epics::pvData::Requester for a ChannelArray.
          */
-        class ChannelArrayRequester : virtual public epics::pvData::Requester {
+        class epicsShareClass ChannelArrayRequester : virtual public epics::pvData::Requester {
             public:
             POINTER_DEFINITIONS(ChannelArrayRequester);
 
@@ -174,7 +189,7 @@ namespace pvAccess {
         /**
          *
          */
-        class ChannelFind : public epics::pvData::Destroyable, private epics::pvData::NoDefaultMethods {
+        class epicsShareClass ChannelFind : public epics::pvData::Destroyable, private epics::pvData::NoDefaultMethods {
             public:
             POINTER_DEFINITIONS(ChannelFind);
 
@@ -185,7 +200,7 @@ namespace pvAccess {
         /**
          *
          */
-        class ChannelFindRequester {
+        class epicsShareClass ChannelFindRequester {
             public:
             POINTER_DEFINITIONS(ChannelFindRequester);
 
@@ -200,7 +215,7 @@ namespace pvAccess {
         /**
          * Request to get data from a channel.
          */
-        class ChannelGet : public ChannelRequest {
+        class epicsShareClass ChannelGet : public ChannelRequest {
             public:
             POINTER_DEFINITIONS(ChannelGet);
 
@@ -217,7 +232,7 @@ namespace pvAccess {
         /**
          * epics::pvData::Requester for channelGet.
          */
-        class ChannelGetRequester : virtual public epics::pvData::Requester {
+        class epicsShareClass ChannelGetRequester : virtual public epics::pvData::Requester {
             public:
             POINTER_DEFINITIONS(ChannelGetRequester);
 
@@ -242,7 +257,7 @@ namespace pvAccess {
         /**
          * ChannelProcess - request that a channel be processed..
          */
-        class ChannelProcess : public ChannelRequest {
+        class epicsShareClass ChannelProcess : public ChannelRequest {
             public:
             POINTER_DEFINITIONS(ChannelProcess);
 
@@ -259,7 +274,7 @@ namespace pvAccess {
         /**
          * epics::pvData::Requester for channelProcess.
          */
-        class ChannelProcessRequester : virtual public epics::pvData::Requester {
+        class epicsShareClass ChannelProcessRequester : virtual public epics::pvData::Requester {
             public:
             POINTER_DEFINITIONS(ChannelProcessRequester);
 
@@ -282,7 +297,7 @@ namespace pvAccess {
         /**
          * Interface for a channel access put request.
          */
-        class ChannelPut  : public ChannelRequest {
+        class epicsShareClass ChannelPut  : public ChannelRequest {
             public:
             POINTER_DEFINITIONS(ChannelPut);
 
@@ -304,7 +319,7 @@ namespace pvAccess {
         /**
          * epics::pvData::Requester for ChannelPut.
          */
-        class ChannelPutRequester : virtual public epics::pvData::Requester {
+        class epicsShareClass ChannelPutRequester : virtual public epics::pvData::Requester {
             public:
             POINTER_DEFINITIONS(ChannelPutRequester);
 
@@ -336,7 +351,7 @@ namespace pvAccess {
          * Channel access put/get request.
          * The put is performed first, followed optionally by a process request, and then by a get request.
          */
-        class ChannelPutGet : public ChannelRequest {
+        class epicsShareClass ChannelPutGet : public ChannelRequest {
             public:
             POINTER_DEFINITIONS(ChannelPutGet);
 
@@ -363,7 +378,7 @@ namespace pvAccess {
         /**
          * epics::pvData::Requester for ChannelPutGet.
          */
-        class ChannelPutGetRequester : virtual public epics::pvData::Requester
+        class epicsShareClass ChannelPutGetRequester : virtual public epics::pvData::Requester
         {
             public:
             POINTER_DEFINITIONS(ChannelPutGetRequester);
@@ -400,7 +415,7 @@ namespace pvAccess {
         /**
          * epics::pvData::Requester for channelGet.
          */
-        class ChannelRPC : public ChannelRequest {
+        class epicsShareClass ChannelRPC : public ChannelRequest {
             public:
             POINTER_DEFINITIONS(ChannelRPC);
 
@@ -417,7 +432,7 @@ namespace pvAccess {
         /**
          * epics::pvData::Requester for channelGet.
          */
-        class ChannelRPCRequester : virtual public epics::pvData::Requester {
+        class epicsShareClass ChannelRPCRequester : virtual public epics::pvData::Requester {
             public:
             POINTER_DEFINITIONS(ChannelRPCRequester);
 
@@ -440,7 +455,7 @@ namespace pvAccess {
         /**
          * epics::pvData::Requester for a getStructure request.
          */
-        class GetFieldRequester : virtual public epics::pvData::Requester {
+        class epicsShareClass GetFieldRequester : virtual public epics::pvData::Requester {
             public:
             POINTER_DEFINITIONS(GetFieldRequester);
 
@@ -460,7 +475,7 @@ namespace pvAccess {
          * Interface for accessing a channel.
          * A channel is created via a call to ChannelAccess.createChannel(String channelName).
          */
-        class Channel : 
+        class epicsShareClass Channel : 
                 public epics::pvData::Requester,
                 public epics::pvData::Destroyable,
                 private epics::pvData::NoDefaultMethods {
@@ -634,7 +649,7 @@ namespace pvAccess {
         /**
          * Listener for connect state changes.
          */
-        class ChannelRequester : public virtual epics::pvData::Requester {
+        class epicsShareClass ChannelRequester : public virtual epics::pvData::Requester {
             public:
             POINTER_DEFINITIONS(ChannelRequester);
 
@@ -664,7 +679,7 @@ namespace pvAccess {
          * Interface implemented by code that can provide access to the record
          * to which a channel connects.
          */
-        class ChannelProvider : public epics::pvData::Destroyable, private epics::pvData::NoDefaultMethods {
+        class epicsShareClass ChannelProvider : public epics::pvData::Destroyable, private epics::pvData::NoDefaultMethods {
         public:
             POINTER_DEFINITIONS(ChannelProvider);
 
@@ -726,7 +741,7 @@ namespace pvAccess {
         /**
          * <code>ChanneProvider</code> factory interface.
          */
-        class ChannelProviderFactory : private epics::pvData::NoDefaultMethods {
+        class epicsShareClass ChannelProviderFactory : private epics::pvData::NoDefaultMethods {
         public:
             POINTER_DEFINITIONS(ChannelProviderFactory);
 
@@ -754,7 +769,7 @@ namespace pvAccess {
         /**
          * Interface for locating channel providers.
          */
-        class ChannelAccess : private epics::pvData::NoDefaultMethods {
+        class epicsShareClass ChannelAccess : private epics::pvData::NoDefaultMethods {
         public:
             POINTER_DEFINITIONS(ChannelAccess);
 
@@ -783,9 +798,9 @@ namespace pvAccess {
             virtual std::auto_ptr<stringVector_t> getProviderNames() = 0;
         };
     
-        extern ChannelAccess::shared_pointer getChannelAccess();
-        extern void registerChannelProviderFactory(ChannelProviderFactory::shared_pointer const & channelProviderFactory);
-        extern void unregisterChannelProviderFactory(ChannelProviderFactory::shared_pointer const & channelProviderFactory);
+        epicsShareExtern ChannelAccess::shared_pointer getChannelAccess();
+        epicsShareExtern void registerChannelProviderFactory(ChannelProviderFactory::shared_pointer const & channelProviderFactory);
+        epicsShareExtern void unregisterChannelProviderFactory(ChannelProviderFactory::shared_pointer const & channelProviderFactory);
 
         /**
          * Interface for creating request structure.
diff --git a/pvAccessApp/factory/ChannelAccessFactory.cpp b/pvAccessApp/factory/ChannelAccessFactory.cpp
index 2270493..5e11b71 100644
--- a/pvAccessApp/factory/ChannelAccessFactory.cpp
+++ b/pvAccessApp/factory/ChannelAccessFactory.cpp
@@ -4,14 +4,17 @@
  * in file LICENSE that is included with this distribution.
  */
 
-#include <pv/lock.h>
-#include <pv/noDefaultMethods.h>
-#include <pv/pvAccess.h>
-#include <pv/pvData.h>
-#include <pv/factory.h>
 #include <map>
 #include <vector>
 
+#include <pv/lock.h>
+#include <pv/noDefaultMethods.h>
+#include <pv/pvData.h>
+
+#define epicsExportSharedSymbols
+#include <pv/pvAccess.h>
+#include <pv/factory.h>
+
 using namespace epics::pvData;
 
 namespace epics {
diff --git a/pvAccessApp/factory/CreateRequestFactory.cpp b/pvAccessApp/factory/CreateRequestFactory.cpp
index cf8213d..00d75bb 100644
--- a/pvAccessApp/factory/CreateRequestFactory.cpp
+++ b/pvAccessApp/factory/CreateRequestFactory.cpp
@@ -6,15 +6,16 @@
 
 #include <string>
 #include <sstream>
+
 #include <pv/pvData.h>
 #include <pv/lock.h>
+
+#define epicsExportSharedSymbols
 #include <pv/pvAccess.h>
 
 using namespace epics::pvData;
 using std::tr1::static_pointer_cast;
 
-
-
 namespace epics {
 namespace pvAccess {
 
diff --git a/pvAccessApp/pva/clientFactory.cpp b/pvAccessApp/pva/clientFactory.cpp
index 561a9fa..df886e1 100644
--- a/pvAccessApp/pva/clientFactory.cpp
+++ b/pvAccessApp/pva/clientFactory.cpp
@@ -4,14 +4,15 @@
  * in file LICENSE that is included with this distribution.
  */
  
-
-#include <pv/clientFactory.h>
-#include <pv/clientContextImpl.h>
 #include <pv/lock.h>
 #include <pv/logger.h>
 
 #include <epicsSignal.h>
 
+#define epicsExportSharedSymbols
+#include <pv/clientFactory.h>
+#include <pv/clientContextImpl.h>
+
 using namespace epics::pvData;
 using namespace epics::pvAccess;
 
diff --git a/pvAccessApp/pva/clientFactory.h b/pvAccessApp/pva/clientFactory.h
index a36bc4b..788e38b 100644
--- a/pvAccessApp/pva/clientFactory.h
+++ b/pvAccessApp/pva/clientFactory.h
@@ -7,10 +7,12 @@
 #ifndef CLIENTFACTORY_H
 #define CLIENTFACTORY_H
 
+#include <shareLib.h>
+
 namespace epics {
 namespace pvAccess { 
 
-class ClientFactory {
+class epicsShareClass ClientFactory {
     public:
     static void start();
     static void stop();
diff --git a/pvAccessApp/pva/pvaConstants.h b/pvAccessApp/pva/pvaConstants.h
index 1dd07bf..3e623d8 100644
--- a/pvAccessApp/pva/pvaConstants.h
+++ b/pvAccessApp/pva/pvaConstants.h
@@ -7,8 +7,18 @@
 #ifndef PVACONSTANTS_H_
 #define PVACONSTANTS_H_
 
+#ifdef epicsExportSharedSymbols
+#   define pvaConstantsepicsExportSharedSymbols
+#   undef epicsExportSharedSymbols
+#endif
+
 #include <pv/pvType.h>
 
+#ifdef pvaConstantsepicsExportSharedSymbols
+#   define epicsExportSharedSymbols
+#	undef pvaConstantsepicsExportSharedSymbols
+#endif
+
 namespace epics {
 namespace pvAccess {
 
diff --git a/pvAccessApp/pva/pvaVersion.cpp b/pvAccessApp/pva/pvaVersion.cpp
index 27eec47..81ebd9c 100644
--- a/pvAccessApp/pva/pvaVersion.cpp
+++ b/pvAccessApp/pva/pvaVersion.cpp
@@ -6,6 +6,7 @@
 
 #include <sstream>
 
+#define epicsExportSharedSymbols
 #include <pv/pvaVersion.h>
 
 using std::stringstream;
diff --git a/pvAccessApp/pva/pvaVersion.h b/pvAccessApp/pva/pvaVersion.h
index 20799f9..dd76ba9 100644
--- a/pvAccessApp/pva/pvaVersion.h
+++ b/pvAccessApp/pva/pvaVersion.h
@@ -7,9 +7,21 @@
 #ifndef VERSION_H_
 #define VERSION_H_
 
+#ifdef epicsExportSharedSymbols
+#   define pvaVersionEpicsExportSharedSymbols
+#   undef epicsExportSharedSymbols
+#endif
+
 #include <pv/pvType.h>
 #include <pv/noDefaultMethods.h>
 
+#ifdef pvaVersionEpicsExportSharedSymbols
+#   define epicsExportSharedSymbols
+#	undef pvaVersionEpicsExportSharedSymbols
+#endif
+
+#include <shareLib.h>
+
 // module version
 // TODO to be generated, etc.
 #define EPICS_PVA_MAJOR_VERSION 3
@@ -20,7 +32,7 @@
 namespace epics {
 namespace pvAccess {
 
-        class Version : public epics::pvData::NoDefaultMethods {
+        class epicsShareClass Version : public epics::pvData::NoDefaultMethods {
         public:
             /**
              * Default constructor.
@@ -104,7 +116,7 @@ namespace pvAccess {
             bool _developmentFlag;
         };
 
-        std::ostream& operator<<(std::ostream& o, const Version& v);
+        epicsShareExtern std::ostream& operator<<(std::ostream& o, const Version& v);
 }
 }
 
diff --git a/pvAccessApp/remote/blockingTCPTransport.cpp b/pvAccessApp/remote/blockingTCPTransport.cpp
index 71308e6..7d6176d 100644
--- a/pvAccessApp/remote/blockingTCPTransport.cpp
+++ b/pvAccessApp/remote/blockingTCPTransport.cpp
@@ -533,7 +533,7 @@ namespace pvAccess {
             _socketBuffer->align(alignment);
         }
 
-        bool BlockingTCPTransport::directSerialize(ByteBuffer */*existingBuffer*/, const char* toSerialize,
+        bool BlockingTCPTransport::directSerialize(ByteBuffer* /*existingBuffer*/, const char* toSerialize,
                                                    std::size_t elementCount, std::size_t elementSize)
         {
             // TODO overflow check, size_t type, other is int32 for payloadSize header field !!!
diff --git a/pvAccessApp/remote/blockingUDP.h b/pvAccessApp/remote/blockingUDP.h
index e3cac85..1947c68 100644
--- a/pvAccessApp/remote/blockingUDP.h
+++ b/pvAccessApp/remote/blockingUDP.h
@@ -133,13 +133,13 @@ namespace epics {
                 _receiveBuffer->align(alignment);
             }
 
-            virtual bool directSerialize(epics::pvData::ByteBuffer */*existingBuffer*/, const char* /*toSerialize*/,
+            virtual bool directSerialize(epics::pvData::ByteBuffer* /*existingBuffer*/, const char* /*toSerialize*/,
                                          std::size_t /*elementCount*/, std::size_t /*elementSize*/)
             {
                 return false;
             }
 
-            virtual bool directDeserialize(epics::pvData::ByteBuffer */*existingBuffer*/, char* /*deserializeTo*/,
+            virtual bool directDeserialize(epics::pvData::ByteBuffer* /*existingBuffer*/, char* /*deserializeTo*/,
                                            std::size_t /*elementCount*/, std::size_t /*elementSize*/)
             {
                 return false;
diff --git a/pvAccessApp/remote/simpleChannelSearchManagerImpl.h b/pvAccessApp/remote/simpleChannelSearchManagerImpl.h
index aaced5a..141af8f 100644
--- a/pvAccessApp/remote/simpleChannelSearchManagerImpl.h
+++ b/pvAccessApp/remote/simpleChannelSearchManagerImpl.h
@@ -32,7 +32,7 @@ public:
         // no cache
         field->serialize(buffer, this);
     }
-    virtual bool directSerialize(epics::pvData::ByteBuffer */*existingBuffer*/, const char* /*toSerialize*/,
+    virtual bool directSerialize(epics::pvData::ByteBuffer* /*existingBuffer*/, const char* /*toSerialize*/,
                                  std::size_t /*elementCount*/, std::size_t /*elementSize*/)
     {
         return false;
diff --git a/pvAccessApp/remoteClient/clientContextImpl.h b/pvAccessApp/remoteClient/clientContextImpl.h
index 2a127d1..9eea824 100644
--- a/pvAccessApp/remoteClient/clientContextImpl.h
+++ b/pvAccessApp/remoteClient/clientContextImpl.h
@@ -13,6 +13,8 @@
 #include <pv/channelSearchManager.h>
 #include <pv/inetAddressUtil.h>
 
+#include <shareLib.h>
+
 class ChannelSearchManager;
 
 namespace epics {
@@ -115,7 +117,7 @@ namespace epics {
             virtual void poll() = 0;
         };
 
-        extern ClientContextImpl::shared_pointer createClientContextImpl();
+        epicsShareExtern ClientContextImpl::shared_pointer createClientContextImpl();
 
     }
 }
diff --git a/pvAccessApp/rpcClient/rpcClient.cpp b/pvAccessApp/rpcClient/rpcClient.cpp
index 17ad7e2..32f6bf3 100644
--- a/pvAccessApp/rpcClient/rpcClient.cpp
+++ b/pvAccessApp/rpcClient/rpcClient.cpp
@@ -9,10 +9,11 @@
 
 #include <pv/pvData.h>
 #include <pv/convert.h>
+#include <pv/event.h>
 
+#define epicsExportSharedSymbols
 #include <pv/pvAccess.h>
 #include <pv/clientFactory.h>
-#include <pv/event.h>
 #include <pv/logger.h>
 #include <pv/rpcService.h>
 
diff --git a/pvAccessApp/rpcClient/rpcClient.h b/pvAccessApp/rpcClient/rpcClient.h
index 0c9cfce..ce80c68 100644
--- a/pvAccessApp/rpcClient/rpcClient.h
+++ b/pvAccessApp/rpcClient/rpcClient.h
@@ -9,8 +9,17 @@
 
 #include <string>
 
+#ifdef epicsExportSharedSymbols
+#   define rpcClientEpicsExportSharedSymbols
+#   undef epicsExportSharedSymbols
+#endif
 #include <pv/pvData.h>
+#ifdef rpcClientEpicsExportSharedSymbols
+#   define epicsExportSharedSymbols
+#	undef rpcClientEpicsExportSharedSymbols
+#endif
 
+#include <shareLib.h>
 
 namespace epics
 {
@@ -21,7 +30,7 @@ namespace pvAccess
      * RPCClient is an interface class that is used by a service client.
      *
      */
-    class RPCClient
+    class epicsShareClass RPCClient
     {
     public:
         POINTER_DEFINITIONS(RPCClient);
diff --git a/pvAccessApp/rpcService/rpcServer.cpp b/pvAccessApp/rpcService/rpcServer.cpp
index cd5f2f8..7f2299b 100644
--- a/pvAccessApp/rpcService/rpcServer.cpp
+++ b/pvAccessApp/rpcService/rpcServer.cpp
@@ -5,11 +5,12 @@
  */
 
 #include <stdexcept>
+
+#define epicsExportSharedSymbols
 #include <pv/rpcServer.h>
 
 using namespace epics::pvData;
 
-
 namespace epics { namespace pvAccess {
 
 
diff --git a/pvAccessApp/rpcService/rpcServer.h b/pvAccessApp/rpcService/rpcServer.h
index c208b3d..53f97b2 100644
--- a/pvAccessApp/rpcService/rpcServer.h
+++ b/pvAccessApp/rpcService/rpcServer.h
@@ -7,15 +7,27 @@
 #ifndef RPCSERVER_H
 #define RPCSERVER_H
 
-#include <pv/sharedPtr.h>
-#include <pv/pvAccess.h>
+#ifdef epicsExportSharedSymbols
+#   define rpcServerEpicsExportSharedSymbols
+#   undef epicsExportSharedSymbols
+#endif
 
+#include <pv/sharedPtr.h>
+
+#ifdef rpcServerEpicsExportSharedSymbols
+#   define epicsExportSharedSymbols
+#	undef rpcServerEpicsExportSharedSymbols
+#endif
+
+#include <pv/pvAccess.h>
 #include <pv/rpcService.h>
 #include <pv/serverContext.h>
 
+#include <shareLib.h>
+
 namespace epics { namespace pvAccess { 
 
-class RPCServer {
+class epicsShareClass RPCServer {
     private:
 
     ServerContextImpl::shared_pointer m_serverContext;
diff --git a/pvAccessApp/rpcService/rpcService.h b/pvAccessApp/rpcService/rpcService.h
index 06a9b72..ceae176 100644
--- a/pvAccessApp/rpcService/rpcService.h
+++ b/pvAccessApp/rpcService/rpcService.h
@@ -8,13 +8,27 @@
 #define RPCSERVICE_H
 
 #include <stdexcept>
+
+#ifdef epicsExportSharedSymbols
+#   define rpcServiceEpicsExportSharedSymbols
+#   undef epicsExportSharedSymbols
+#endif
+
 #include <pv/sharedPtr.h>
-#include <pv/pvAccess.h>
 #include <pv/status.h>
 
+#ifdef rpcServiceEpicsExportSharedSymbols
+#   define epicsExportSharedSymbols
+#	undef rpcServiceEpicsExportSharedSymbols
+#endif
+
+#include <pv/pvAccess.h>
+
+#include <shareLib.h>
+
 namespace epics { namespace pvAccess { 
 
-class RPCRequestException : public std::runtime_error {
+class epicsShareClass RPCRequestException : public std::runtime_error {
 public:
     
     RPCRequestException(epics::pvData::Status::StatusType status, epics::pvData::String const & message) :
@@ -31,7 +45,7 @@ private:
 };
 
 
-class RPCService {
+class epicsShareClass RPCService {
     public:
     POINTER_DEFINITIONS(RPCService);