From eb4ea6bcd5aad0cf4269c3f642a8c04768fffd34 Mon Sep 17 00:00:00 2001
From: Giulio Eulisse <10544+ktf@users.noreply.github.com>
Date: Tue, 30 Jun 2026 14:46:11 +0200
Subject: [PATCH] Fix undefined symbols on macOS ARM

---
 .../TPC/reconstruction/macro/createTPCSpaceChargeCorrection.C   | 1 +
 .../TPC/spacecharge/macro/calculateDistortionsCorrections.C     | 1 +
 Detectors/TPC/spacecharge/macro/createSCHistosFromHits.C        | 1 +
 tests/test-root-macro.sh.in                                     | 2 +-
 4 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Detectors/TPC/reconstruction/macro/createTPCSpaceChargeCorrection.C b/Detectors/TPC/reconstruction/macro/createTPCSpaceChargeCorrection.C
index af066598d1317..89c8ce8062fee 100644
--- a/Detectors/TPC/reconstruction/macro/createTPCSpaceChargeCorrection.C
+++ b/Detectors/TPC/reconstruction/macro/createTPCSpaceChargeCorrection.C
@@ -34,6 +34,7 @@
 #include "TLatex.h"
 
 #include "TPCSpaceCharge/SpaceCharge.h"
+R__LOAD_LIBRARY(libO2TPCSpaceChargeIO)
 
 #include "CommonConstants/MathConstants.h"
 #include "CommonUtils/TreeStreamRedirector.h"
diff --git a/Detectors/TPC/spacecharge/macro/calculateDistortionsCorrections.C b/Detectors/TPC/spacecharge/macro/calculateDistortionsCorrections.C
index 1bc7d7a4a3899..4ec1e75d99745 100644
--- a/Detectors/TPC/spacecharge/macro/calculateDistortionsCorrections.C
+++ b/Detectors/TPC/spacecharge/macro/calculateDistortionsCorrections.C
@@ -11,6 +11,7 @@
 
 // g++ -o spacecharge ~/alice/O2/Detectors/TPC/spacecharge/macro/calculateDistortionsCorrections.C -I ~/alice/sw/osx_x86-64/FairLogger/latest/include -L ~/alice/sw/osx_x86-64/FairLogger/latest/lib -I$O2_ROOT/include -L$O2_ROOT/lib -lO2TPCSpacecharge -lO2CommonUtils -std=c++17 -I$ROOTSYS/include -L$ROOTSYS/lib -lCore  -L$VC_ROOT/lib -lVc -I$VC_ROOT/include -Xpreprocessor -fopenmp -I/usr/local/include -L/usr/local/lib -lomp -O3 -ffast-math -lFairLogger -lRIO
 #include "TPCSpaceCharge/SpaceCharge.h"
+R__LOAD_LIBRARY(libO2TPCSpaceChargeIO)
 #include "TPCBase/Mapper.h"
 #include <iostream>
 #include <chrono>
diff --git a/Detectors/TPC/spacecharge/macro/createSCHistosFromHits.C b/Detectors/TPC/spacecharge/macro/createSCHistosFromHits.C
index cf4e5b2719b22..35f03e3a34330 100644
--- a/Detectors/TPC/spacecharge/macro/createSCHistosFromHits.C
+++ b/Detectors/TPC/spacecharge/macro/createSCHistosFromHits.C
@@ -118,6 +118,7 @@ g++ -o createSCHistosFromHits createSCHistosFromHits.C -I ~/alice/sw/osx_x86-64/
 #include "TPCSimulation/SAMPAProcessing.h"
 #include "TPCSimulation/Point.h"
 #include "TPCSpaceCharge/SpaceCharge.h"
+R__LOAD_LIBRARY(libO2TPCSpaceChargeIO)
 #include "TPCSpaceCharge/PoissonSolverHelpers.h"
 #include "DataFormatsTPC/Defs.h"
 #include "TPCSpaceCharge/SpaceChargeHelpers.h"
diff --git a/tests/test-root-macro.sh.in b/tests/test-root-macro.sh.in
index f82cdec1e2b0c..65efb8f9d5b8e 100755
--- a/tests/test-root-macro.sh.in
+++ b/tests/test-root-macro.sh.in
@@ -33,7 +33,7 @@ echo ${INCPATH} | tr ":" "\n"
 echo "LD_LIBRARY_PATH to be used:"
 echo ${LIBPATH} | tr ":" "\n"
 
-env ROOT_INCLUDE_PATH=${INCPATH} LD_LIBRARY_PATH=${LIBPATH} @ROOT_root_CMD@ -n -b -l -q -e "${CMD}"
+env ROOT_INCLUDE_PATH=${INCPATH} LD_LIBRARY_PATH=${LIBPATH} DYLD_FALLBACK_LIBRARY_PATH=${LIBPATH} @ROOT_root_CMD@ -n -b -l -q -e "${CMD}"
 
 RV=$?