From fb186aaaa000d67ce5b0bd0522e73c6f16edd085 Mon Sep 17 00:00:00 2001
From: John Emmas <john@creativepost.co.uk>
Date: Fri, 3 Apr 2020 10:09:22 +0100
Subject: 2 x new backend/port classes need to be exportable

---
 libs/ardour/ardour/port_engine_shared.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/ardour/ardour/port_engine_shared.h b/libs/ardour/ardour/port_engine_shared.h
index 1e06e10cb2..9bf0e0f230 100644
--- a/libs/ardour/ardour/port_engine_shared.h
+++ b/libs/ardour/ardour/port_engine_shared.h
@@ -39,7 +39,7 @@ class PortEngineSharedImpl;
 class PortManager;
 
 
-class BackendPort
+class LIBARDOUR_API BackendPort
 {
    protected:
 	BackendPort (PortEngineSharedImpl &b, const std::string&, PortFlags);
@@ -97,7 +97,7 @@ class BackendPort
 
 }; // class BackendPort
 
-class PortEngineSharedImpl
+class LIBARDOUR_API PortEngineSharedImpl
 {
   public:
 	PortEngineSharedImpl (PortManager& mgr, std::string const & instance_name);
-- 
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