Made xAODTrackingCnv build as part of AthAnalysis.

Following the setup in 21.2, the package only builds one
tool for AthAnalysis. The one used by xAODTrackingAthenaPool
in this project (as well).

Event/xAOD/xAODTrackingCnv/CMakeLists.txt

@@ -3,17 +3,34 @@
 # Declare the package name:
 atlas_subdir( xAODTrackingCnv )
 
-# Component(s) in the package:
-atlas_add_library( xAODTrackingCnvLib
-   xAODTrackingCnv/*.h
-   INTERFACE
-   PUBLIC_HEADERS xAODTrackingCnv
-   LINK_LIBRARIES xAODTracking TrkTrack GaudiKernel )
-
-atlas_add_component( xAODTrackingCnv
-   src/*.h src/*.cxx src/components/*.cxx
-   LINK_LIBRARIES xAODTracking TrkTrack AthenaBaseComps AthenaKernel
-   EventPrimitives GaudiKernel GeneratorObjects MCTruthClassifierLib Particle
-   ParticleTruth TrkLinks TrkParticleBase TrkTruthData VxVertex 
-   TrkToolInterfaces xAODCore xAODTrackingCnvLib
-   PRIVATE_LINK_LIBRARIES CxxUtils )
+# Component(s) in the package. Built in a much more lightweight fashion for
+# AthAnalysis.
+if( XAOD_ANALYSIS )
+
+   atlas_add_library( xAODTrackingCnvLib
+      xAODTrackingCnv/ITrackParticleCompressorTool.h
+      INTERFACE
+      PUBLIC_HEADERS xAODTrackingCnv
+      LINK_LIBRARIES xAODTracking GaudiKernel )
+
+   atlas_add_component( xAODTrackingCnv
+      src/TrackParticleCompressorTool.* src/components/*.cxx
+      LINK_LIBRARIES AthenaBaseComps CxxUtils xAODTrackingCnvLib )
+
+else()
+
+   atlas_add_library( xAODTrackingCnvLib
+      xAODTrackingCnv/*.h
+      INTERFACE
+      PUBLIC_HEADERS xAODTrackingCnv
+      LINK_LIBRARIES xAODTracking TrkTrack GaudiKernel )
+
+   atlas_add_component( xAODTrackingCnv
+      src/*.h src/*.cxx src/components/*.cxx
+      LINK_LIBRARIES xAODTracking TrkTrack AthenaBaseComps AthenaKernel
+      EventPrimitives GaudiKernel GeneratorObjects MCTruthClassifierLib Particle
+      ParticleTruth TrkLinks TrkParticleBase TrkTruthData VxVertex
+      TrkToolInterfaces xAODCore xAODTrackingCnvLib
+      PRIVATE_LINK_LIBRARIES CxxUtils )
+
+endif()

Event/xAOD/xAODTrackingCnv/src/components/xAODTrackingCnv_entries.cxx

-#include "../TrackCollectionCnvTool.h"
-#include "../RecTrackParticleContainerCnvTool.h"
-#include "../TrackParticleCnvAlg.h"
-#include "../VertexCnvAlg.h"
+//
+// Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
+//
+
+#ifndef XAOD_ANALYSIS
+#   include "../TrackCollectionCnvTool.h"
+#   include "../RecTrackParticleContainerCnvTool.h"
+#   include "../TrackParticleCnvAlg.h"
+#   include "../VertexCnvAlg.h"
+#endif // NOT XAOD_ANALYSIS
 #include "../TrackParticleCompressorTool.h"
 
-DECLARE_COMPONENT( xAODMaker::RecTrackParticleContainerCnvTool )
-DECLARE_COMPONENT( xAODMaker::TrackCollectionCnvTool )
+#ifndef XAOD_ANALYSIS
+   DECLARE_COMPONENT( xAODMaker::RecTrackParticleContainerCnvTool )
+   DECLARE_COMPONENT( xAODMaker::TrackCollectionCnvTool )
+   DECLARE_COMPONENT( xAODMaker::TrackParticleCnvAlg )
+   DECLARE_COMPONENT( xAODMaker::VertexCnvAlg )
+#endif // NOT XAOD_ANALYSIS
 DECLARE_COMPONENT( xAODMaker::TrackParticleCompressorTool )
-DECLARE_COMPONENT( xAODMaker::TrackParticleCnvAlg )
-DECLARE_COMPONENT( xAODMaker::VertexCnvAlg )
-