first try

Author: Mingze129

PWGHF/HFJ/CMakeLists.txt

@@ -7,4 +7,6 @@
 #
 # In applying this license CERN does not waive the privileges and immunities
 # granted to it by virtue of its status as an Intergovernmental Organization
-# or submit itself to any jurisdiction.
+# or submit itself to any jurisdiction.
+
+add_subdirectory(Tasks)

PWGHF/HFJ/Tasks/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+# See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+# All rights not expressly granted are reserved.
+#
+# This software is distributed under the terms of the GNU General Public
+# License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+#
+# In applying this license CERN does not waive the privileges and immunities
+# granted to it by virtue of its status as an Intergovernmental Organization
+# or submit itself to any jurisdiction.
+
+o2physics_add_dpl_workflow(task-dstar-polarisation-in-jet
+                    SOURCES taskDstarPolarisationInJet.cxx
+                    PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                    COMPONENT_NAME Analysis)
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/PWGJE/Core)