refs #403 add BlackMisc shared library build

src/blackmisc/propertyindex.h

@@ -14,6 +14,7 @@
 #ifndef BLACKMISC_PROPERTYINDEX_H
 #define BLACKMISC_PROPERTYINDEX_H
 
+#include "blackmiscexport.h"
 #include "blackmiscfreefunctions.h"
 #include <initializer_list>
 
@@ -24,7 +25,7 @@ namespace BlackMisc
      * Property index. The index can be nested, that's why it is a sequence
      * (e.g. PropertyIndexPilot, PropertyIndexRealname).
      */
-    class CPropertyIndex : public CValueObject<CPropertyIndex>
+    class BLACKMISC_EXPORT CPropertyIndex : public CValueObject<CPropertyIndex>
     {
         // In the first trial I have used CSequence<int> as base class
         // This has created too much circular dependencies of the headers