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# 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.

# Preamble

cmake_minimum_required(VERSION 3.17 FATAL_ERROR)

# it's important to specify accurately the list of languages. for instance C and

# C++ as we _do_ have some C files to compile explicitely as C (e.g. gl3w.c)

project(O2 LANGUAGES C CXX VERSION 1.2.0)

include(CTest)

# Project wide setup

# Would better fit inside GPU/CMakeLists.txt, but include GPU/Common directly

set(ALIGPU_BUILD_TYPE "O2")

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)

set_property(GLOBAL PROPERTY REPORT_UNDEFINED_PROPERTIES)

cmake_host_system_information(RESULT _totalmem QUERY TOTAL_PHYSICAL_MEMORY)

math(EXPR _total_analysis_jobs "(${_totalmem}-4096)/10240")

if(_total_analysis_jobs LESS_EQUAL 0)

set(_total_analysis_jobs 1)

endif()

set(ANALYSIS_COMPILE_POOL ${_total_analysis_jobs} CACHE STRING "How many parallel analysis compilation jobs")

set_property(GLOBAL PROPERTY JOB_POOLS analysis=${ANALYSIS_COMPILE_POOL})

include(O2BuildSanityChecks)

o2_build_sanity_checks()

set(CMAKE_CXX_STANDARD 17)

set(CMAKE_CXX_STANDARD_REQUIRED TRUE)

include(O2CheckCXXFeatures)

o2_check_cxx_features()

include(O2DefineOptions)

o2_define_options()

# see if upgrade is enabled

if (ENABLE_UPGRADES)

add_definitions(-DENABLE_UPGRADES)

endif()

add_subdirectory(version)

include(O2DefineOutputPaths)

o2_define_output_paths()

include(O2DefineRPATH)

o2_define_rpath()

# External dependencies

include(dependencies/CMakeLists.txt)

# This is needed because CI might not have X11 or Cocoa available

if (DPL_TESTS_BATCH_MODE)

set(DPL_WORKFLOW_TESTS_EXTRA_OPTIONS -b)

endif()

if (DPL_ENABLE_TRACING)

add_definitions(-DDPL_ENABLE_TRACING)

endif()

# include macros and functions that are used in the following subdirectories'

# CMakeLists.txt

include(O2AddExecutable)

include(O2AddHeaderOnlyLibrary)

include(O2AddLibrary)

include(O2AddTest)

include(O2AddTestRootMacro)

include(O2ReportNonTestedMacros)

include(O2TargetRootDictionary)

include(O2DataFile)

include(O2TargetManPage)

include(O2AddWorkflow)

include(O2SetROOTPCMDependencies)

# Main targets of the project in various subdirectories. Order matters.

add_subdirectory(Common)

add_subdirectory(Framework)

add_subdirectory(GPU)

add_subdirectory(DataFormats)

add_subdirectory(Utilities)

add_subdirectory(CCDB)

add_subdirectory(Algorithm)

add_subdirectory(Detectors)

add_subdirectory(EventVisualisation)

add_subdirectory(Generators)

add_subdirectory(Steer) # consider building this only for simulation ?

add_subdirectory(prodtests)

if(BUILD_ANALYSIS)

add_subdirectory(Analysis)

endif()

add_subdirectory(scripts)

if(BUILD_EXAMPLES)

add_subdirectory(Examples)

endif()

if(BUILD_SIMULATION)

add_subdirectory(run)

endif()

add_subdirectory(config)

add_custom_target(man ALL)

o2_target_man_page(man NAME o2)

o2_target_man_page(man NAME FairMQDevice)

# Testing and packaging only needed if we are the top level directory

if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)

# Documentation

add_subdirectory(doc)

if(BUILD_TESTING)

add_subdirectory(tests)

endif()

if(BUILD_TEST_ROOT_MACROS)

add_subdirectory(macro)

o2_report_non_tested_macros()

endif()

add_subdirectory(packaging)

endif()

set_root_pcm_dependencies()