Fix for Linux

src/l500/l500-depth.cpp

@@ -184,7 +184,6 @@ namespace librealsense
 
         std::vector<stream_interface*> streams = { _depth_stream.get(), _ir_stream.get(), _confidence_stream.get() };
 
-        // TODO
         for (auto& s : streams)
         {
             depth_matchers.push_back(std::make_shared<identity_matcher>(s->get_unique_id(), s->get_stream_type()));

src/proc/syncer-processing-block.cpp

@@ -47,7 +47,11 @@ syncer_process_unit::syncer_process_unit( std::initializer_list< bool_option::pt
                     get_source().frame_ready(std::move(frame));
             }
             else
-                _matcher->dispatch( std::move( frame ), { source, matches, log } );
+            {
+                syncronization_environment env = { source, matches, log };
+                _matcher->dispatch(std::move(frame), env);
+            }
+
         }
 
         frame_holder f;