From 1b65309ec9f38a08b215b3dd36360671a5719562 Mon Sep 17 00:00:00 2001
From: Dirk Zimoch <dirk.zimoch@psi.ch>
Date: Tue, 4 Nov 2025 17:12:41 +0100
Subject: [PATCH] Fix MSVC warning C4275

non - DLL-interface class 'class_1' used as base for DLL-interface class 'class_2'
---
 src/remote/pv/remote.h         | 2 +-
 src/rpcService/pv/rpcService.h | 2 +-
 src/utils/pv/destroyable.h     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/remote/pv/remote.h b/src/remote/pv/remote.h
index b70b0e3..4b7091f 100644
--- a/src/remote/pv/remote.h
+++ b/src/remote/pv/remote.h
@@ -119,7 +119,7 @@ void hackAroundRTEMSSocketInterrupt();
 /**
  * Interface defining transport send control.
  */
-class TransportSendControl : public epics::pvData::SerializableControl {
+class epicsShareClass TransportSendControl : public epics::pvData::SerializableControl {
 public:
     POINTER_DEFINITIONS(TransportSendControl);
 
diff --git a/src/rpcService/pv/rpcService.h b/src/rpcService/pv/rpcService.h
index 292c9e5..4119943 100644
--- a/src/rpcService/pv/rpcService.h
+++ b/src/rpcService/pv/rpcService.h
@@ -29,7 +29,7 @@
 namespace epics {
 namespace pvAccess {
 
-class epicsShareClass RPCRequestException : public std::runtime_error {
+class RPCRequestException : public std::runtime_error {
 public:
 
     explicit RPCRequestException(std::string const & message) :
diff --git a/src/utils/pv/destroyable.h b/src/utils/pv/destroyable.h
index 07dfed6..88f03a7 100644
--- a/src/utils/pv/destroyable.h
+++ b/src/utils/pv/destroyable.h
@@ -21,7 +21,7 @@ namespace epics { namespace pvAccess {
         /**
          * @brief Instance declaring destroy method.
          */
-        class Destroyable {
+        class epicsShareClass Destroyable {
         public:
             POINTER_DEFINITIONS(Destroyable);
             /**