From 8f4246f8b8b746db5f096fa7fa5feb711dcdb3b8 Mon Sep 17 00:00:00 2001
From: Giulio Eulisse <10544+ktf@users.noreply.github.com>
Date: Tue, 19 May 2026 15:09:09 +0200
Subject: [PATCH] Add precompiled headers for HF jetSubstructure output tasks

---
 PWGJE/Tasks/CMakeLists.txt                 | 29 ++++++++++++++++++++++
 PWGJE/Tasks/jetSubstructureHFOutputPCH.cxx | 10 ++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 PWGJE/Tasks/jetSubstructureHFOutputPCH.cxx

diff --git a/PWGJE/Tasks/CMakeLists.txt b/PWGJE/Tasks/CMakeLists.txt
index a1b103a528c..0475580147f 100644
--- a/PWGJE/Tasks/CMakeLists.txt
+++ b/PWGJE/Tasks/CMakeLists.txt
@@ -28,6 +28,26 @@ target_precompile_headers(JetSubstructureHFPCH PRIVATE
 )
 endif()
 
+add_library(JetSubstructureHFOutputPCH OBJECT jetSubstructureHFOutputPCH.cxx)
+target_link_libraries(JetSubstructureHFOutputPCH
+  PUBLIC O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore)
+if(NOT DEFINED ENV{USE_RECC})
+target_precompile_headers(JetSubstructureHFOutputPCH PRIVATE
+  [["PWGHF/DataModel/DerivedTables.h"]]
+  [["PWGJE/DataModel/Jet.h"]]
+  [["PWGJE/DataModel/JetSubstructure.h"]]
+  [["PWGJE/DataModel/JetSubtraction.h"]]
+  [["PWGJE/Tasks/jetSubstructureHFOutput.h"]]
+  <Framework/ASoA.h>
+  <Framework/AnalysisTask.h>
+  <Framework/ConfigContext.h>
+  <Framework/DataProcessorSpec.h>
+  <Framework/runDataProcessing.h>
+
+  <vector>
+)
+endif()
+
 o2physics_add_dpl_workflow(emc-cellmonitor
                     SOURCES emcCellMonitor.cxx
                     PUBLIC_LINK_LIBRARIES O2::Framework O2::EMCALBase O2::EMCALCalib O2Physics::AnalysisCore
@@ -143,38 +163,47 @@ if(FastJet_FOUND)
     o2physics_add_dpl_workflow(jet-substructure-d0-output
                         SOURCES jetSubstructureD0Output.cxx
                         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                        REUSE_FROM JetSubstructureHFOutputPCH
                         COMPONENT_NAME Analysis)
     o2physics_add_dpl_workflow(jet-substructure-dplus-output
                         SOURCES jetSubstructureDplusOutput.cxx
                         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                        REUSE_FROM JetSubstructureHFOutputPCH
                         COMPONENT_NAME Analysis)
     o2physics_add_dpl_workflow(jet-substructure-ds-output
                         SOURCES jetSubstructureDsOutput.cxx
                         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                        REUSE_FROM JetSubstructureHFOutputPCH
                         COMPONENT_NAME Analysis)
     o2physics_add_dpl_workflow(jet-substructure-dstar-output
                         SOURCES jetSubstructureDstarOutput.cxx
                         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                        REUSE_FROM JetSubstructureHFOutputPCH
                         COMPONENT_NAME Analysis)
     o2physics_add_dpl_workflow(jet-substructure-lc-output
                         SOURCES jetSubstructureLcOutput.cxx
                         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                        REUSE_FROM JetSubstructureHFOutputPCH
                         COMPONENT_NAME Analysis)
     o2physics_add_dpl_workflow(jet-substructure-b0-output
                         SOURCES jetSubstructureB0Output.cxx
                         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                        REUSE_FROM JetSubstructureHFOutputPCH
                         COMPONENT_NAME Analysis)
     o2physics_add_dpl_workflow(jet-substructure-bplus-output
                         SOURCES jetSubstructureBplusOutput.cxx
                         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                        REUSE_FROM JetSubstructureHFOutputPCH
                         COMPONENT_NAME Analysis)
     o2physics_add_dpl_workflow(jet-substructure-xictoxipipi-output
                         SOURCES jetSubstructureXicToXiPiPiOutput.cxx
                         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                        REUSE_FROM JetSubstructureHFOutputPCH
                         COMPONENT_NAME Analysis)
     o2physics_add_dpl_workflow(jet-substructure-dielectron-output
                         SOURCES jetSubstructureDielectronOutput.cxx
                         PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::PWGJECore O2Physics::AnalysisCore
+                        REUSE_FROM JetSubstructureHFOutputPCH
                         COMPONENT_NAME Analysis)
     o2physics_add_dpl_workflow(jet-fragmentation
                         SOURCES jetFragmentation.cxx
diff --git a/PWGJE/Tasks/jetSubstructureHFOutputPCH.cxx b/PWGJE/Tasks/jetSubstructureHFOutputPCH.cxx
new file mode 100644
index 00000000000..384b1987f80
--- /dev/null
+++ b/PWGJE/Tasks/jetSubstructureHFOutputPCH.cxx
@@ -0,0 +1,10 @@
+// Copyright 2019-2026 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.