From c74e01bfa6c165793211ef591fff0a7a9dda5144 Mon Sep 17 00:00:00 2001
From: Giulio Eulisse <10544+ktf@users.noreply.github.com>
Date: Tue, 12 Aug 2025 14:29:32 +0200
Subject: [PATCH] JEMalloc is now anymore actively maintained

See also https://jasone.github.io/2025/06/12/jemalloc-postmortem for the details.
---
 CMakeLists.txt                 |  4 ---
 cmake/jemalloc.cmake           | 65 ----------------------------------
 src/common/base/CMakeLists.txt |  1 -
 3 files changed, 70 deletions(-)
 delete mode 100644 cmake/jemalloc.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f26431..a9a87fd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -146,16 +146,12 @@ if (NOT spdlog_FOUND)
   )
 endif()
 
-include(jemalloc)
-
-
 find_package(UCX)
 # NOTE: Determines if we build StfSender, TfBuilder and TfScheduler
 #       StfBuilder is always built
 
 message(STATUS "Boost version : ${Boost_VERSION}")
 message(STATUS "Boost include path : ${Boost_INCLUDE_DIRS}")
-message(STATUS "jemalloc include : ${jemalloc_INCLUDE_DIRS}")
 message(STATUS "FairMQ version : ${FairMQ_VERSION}")
 message(STATUS "AliceO2 include path : ${AliceO2_INCLUDE_DIR}")
 message(STATUS "UCX include path : ${UCX_INCLUDE_DIR}")
diff --git a/cmake/jemalloc.cmake b/cmake/jemalloc.cmake
deleted file mode 100644
index b44f430..0000000
--- a/cmake/jemalloc.cmake
+++ /dev/null
@@ -1,65 +0,0 @@
-# Copyright 2019-2022 CERN and copyright holders of ALICE O2.
-# See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
-# All rights not expressly granted are reserved.
-#
-# This software is distributed under the terms of the GNU General Public
-# License v3 (GPL Version 3), copied verbatim in the file "COPYING".
-#
-# In applying this license CERN does not waive the privileges and immunities
-# granted to it by virtue of its status as an Intergovernmental Organization
-# or submit itself to any jurisdiction.
-
-## \author Gvozden Nešković, Frankfurt Institute for Advanced Studies and Goethe University Frankfurt
-## \brief  build jemalloc dependency
-
-#--- EXTERNAL PROJECTS  --------------------------------------------------------------
-include(ExternalProject)
-
-ExternalProject_Add(jemalloc
-  GIT_REPOSITORY "https://github.com/jemalloc/jemalloc.git"
-  GIT_TAG "5.3.0"
-
-  GIT_SHALLOW TRUE
-  GIT_PROGRESS TRUE
-
-  UPDATE_COMMAND ""
-  PATCH_COMMAND ""
-
-  SOURCE_DIR "${CMAKE_BINARY_DIR}/3rdparty/jemalloc"
-
-  BUILD_IN_SOURCE 1
-  BUILD_BYPRODUCTS ${jemalloc_STATIC} ${jemalloc_STATIC_PIC}
-
-  CONFIGURE_COMMAND ./autogen.sh
-    COMMAND ./configure --disable-shared
-                        --disable-doc
-                        --prefix=${CMAKE_BINARY_DIR}/jemalloc
-                        --with-malloc-conf=abort_conf:true,background_thread:true,metadata_thp:auto,dirty_decay_ms:300000,muzzy_decay_ms:300000
-                        "CFLAGS=${CMAKE_C_FLAGS} -Wno-missing-attributes"
-
-  BUILD_COMMAND ${MAKE}
-  # TODO: -j1 is a workaround for GH-39628: [C++] Use -j1 for cmake >= 3.28
-  # Similar solution in Apache Arrow: https://github.com/apache/arrow/pull/39629
-  INSTALL_COMMAND make install -j1
-
-  LOG_DOWNLOAD True
-  LOG_UPDATE True
-  LOG_INSTALL True
-  LOG_OUTPUT_ON_FAILURE True
-)
-
-set(jemalloc_INCLUDE_DIRS ${CMAKE_CURRENT_BINARY_DIR}/jemalloc/include)
-
-add_library(jemalloc_STATIC STATIC IMPORTED)
-set_property(TARGET jemalloc_STATIC PROPERTY IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/jemalloc/lib/libjemalloc.a)
-add_dependencies(jemalloc_STATIC jemalloc)
-
-add_library(jemalloc_STATIC_PIC STATIC IMPORTED)
-set_property(TARGET jemalloc_STATIC_PIC PROPERTY IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/jemalloc/lib/libjemalloc_pic.a)
-add_dependencies(jemalloc_STATIC_PIC jemalloc)
-
-if (!APPLE)
-  link_libraries(-Wl,--no-as-needed)
-endif(!APPLE)
-
-link_libraries(dl ${jemalloc_STATIC_PIC})
diff --git a/src/common/base/CMakeLists.txt b/src/common/base/CMakeLists.txt
index 3c73b19..4ebedcf 100644
--- a/src/common/base/CMakeLists.txt
+++ b/src/common/base/CMakeLists.txt
@@ -28,7 +28,6 @@ target_include_directories(base
 
 target_link_libraries(base
   PUBLIC
-    jemalloc_STATIC
     spdlog::spdlog
     Boost::filesystem
     AliceO2::InfoLogger