WIP: Build fixes und EXTERNAL_DEPENDENCIES.md

qt6-after/qt6-migrated-legatus/Lts/Plugins/EffectShowManagement/esm_data_plugin_interface.h

@@ -5,7 +5,9 @@
 
 #include <PluginInterfaces/data_plugin_interface.h>
 #include <EffectShowManagement/esm_dtc.h>
+#ifdef BUILD_WITH_EXTERNAL_DDS
 #include <EffectShowManagement/esm_ftc.h>
+#endif
 #include <ParticipantManagement/ppm.hpp>
 
 namespace EffectShowManagement
@@ -18,7 +20,9 @@ public:
   using DataPluginBase::Interface::Interface;
 
   virtual std::shared_ptr<EffectShowManagement::Interface::Dtc> getDtc() = 0;
+#ifdef BUILD_WITH_EXTERNAL_DDS
   virtual std::shared_ptr<EffectShowManagement::Interface::Ftc> getFtc() = 0;
+#endif
 };
 
 }