[ALICE3] Compile headers (#16992)

Author: vkucera

ALICE3/CMakeLists.txt

@@ -12,6 +12,7 @@
 
 add_subdirectory(Core)
 # add_subdirectory(DataModel)
+add_subdirectory(ML)
 add_subdirectory(Tasks)
 add_subdirectory(TableProducer)
 add_subdirectory(Macros)

ALICE3/ML/CMakeLists.txt

@@ -0,0 +1,14 @@
+# 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_library(A3HfMlCore
+  SOURCES HfMlResponse3Prong.cxx
+  PUBLIC_LINK_LIBRARIES O2Physics::MLCore)

ALICE3/ML/HfMlResponse3Prong.cxx

@@ -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.
+
+/// \file HfMlResponse3Prong.cxx
+/// \brief Helper file to provide compilation command for headers.
+///
+/// \author Vít Kučera <vit.kucera@cern.ch>, Inha University
+
+#include "HfMlResponse3Prong.h" // IWYU pragma: keep