diff --git a/src/blacksound/blacksound.pro b/src/blacksound/blacksound.pro
index 39739d7c9..f6242c436 100644
--- a/src/blacksound/blacksound.pro
+++ b/src/blacksound/blacksound.pro
@@ -19,7 +19,7 @@ precompile_header:!isEmpty(PRECOMPILED_HEADER) {
     DEFINES += USING_PCH
 }
 
-DEFINES += LOG_IN_FILE
+DEFINES += LOG_IN_FILE BUILD_BLACKSOUND_LIB
 
 HEADERS += *.h
 SOURCES += *.cpp
diff --git a/src/blacksound/blacksoundexport.h b/src/blacksound/blacksoundexport.h
new file mode 100644
index 000000000..b490ef411
--- /dev/null
+++ b/src/blacksound/blacksoundexport.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKSOUND_MACROS_H
+#define BLACKSOUND_MACROS_H
+
+#include <QtGlobal>
+
+#ifndef WITH_STATIC
+#  if defined(BUILD_BLACKSOUND_LIB)
+#    define BLACKSOUND_EXPORT Q_DECL_EXPORT
+#  else
+#    define BLACKSOUND_EXPORT Q_DECL_IMPORT
+#  endif
+#else
+#  define BLACKSOUND_EXPORT
+#endif
+
+#endif // BLACKSOUND_MACROS_H
diff --git a/src/blacksound/soundgenerator.h b/src/blacksound/soundgenerator.h
index 9637bfdcf..461abc598 100644
--- a/src/blacksound/soundgenerator.h
+++ b/src/blacksound/soundgenerator.h
@@ -12,6 +12,7 @@
 #ifndef BLACKSOUND_SOUNDGENERATOR_H
 #define BLACKSOUND_SOUNDGENERATOR_H
 
+#include "blacksoundexport.h"
 #include "blackmisc/aviation/selcal.h"
 #include "blackmisc/audio/audiodeviceinfo.h"
 #include "blackmisc/pq/time.h"
@@ -28,7 +29,7 @@ namespace BlackSound
 {
 
     //! Playing simple sounds
-    class CSoundGenerator : public QIODevice
+    class BLACKSOUND_EXPORT CSoundGenerator : public QIODevice
     {
         Q_OBJECT