Explicitly state visibility

This cuts the exportet symbols from 12k to 2k and the library size from
16Mb to 14Mb, which isn't great but still an improvement.

About 30% of the symbols are coming from the Store:: interface.

nm -C -D /work/install/lib64/libsinkcommon.so.0.1

1 files changed, 3 insertions, 1 deletions

diff --git a/common/threadboundary.h b/common/threadboundary.h
index 0d8ed3b..d1a1a3c 100644
--- a/common/threadboundary.h
+++ b/common/threadboundary.h
@@ -20,6 +20,8 @@
 
 #pragma once
 
+#include <sinkcommon_export.h>
+
 #include <QObject>
 #include <functional>
 
@@ -29,7 +31,7 @@ namespace async {
 * A helper class to invoke a method in a different thread using the event loop.
 * The ThreadBoundary object must live in the thread where the function should be called.
 */
-class ThreadBoundary : public QObject {
+class SINKCOMMON_EXPORT ThreadBoundary : public QObject {
     Q_OBJECT
 public:
     ThreadBoundary();