open62541/CMakeLists.txt

cmake_minimum_required(VERSION 3.0...3.12)
project(open62541)
# set(CMAKE_VERBOSE_MAKEFILE ON)
if(${CMAKE_VERSION} VERSION_LESS 3.12)
    cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
endif()

string(TOLOWER "${CMAKE_BUILD_TYPE}" BUILD_TYPE_LOWER_CASE)

set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/tools/cmake")
find_package(PythonInterp REQUIRED)
find_package(Git)
include(AssignSourceGroup)
include(GNUInstallDirs)

# Set when installed via make install
set(open62541_TOOLS_DIR ${PROJECT_SOURCE_DIR}/tools)
set(open62541_NODESET_DIR ${PROJECT_SOURCE_DIR}/deps/ua-nodeset)

include(macros_internal)
include(macros_public)

#############################
# Compiled binaries folders #
#############################

set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)

###########
# Version #
###########

set(OPEN62541_VER_MAJOR 1)
set(OPEN62541_VER_MINOR 0)
set(OPEN62541_VER_PATCH 0)
set(OPEN62541_VER_LABEL "-dev") # Appended to the X.Y.Z version format. For example "-rc1" or an empty string

# Set OPEN62541_VER_COMMIT
if(GIT_FOUND)
    execute_process(COMMAND ${GIT_EXECUTABLE} describe --always --tags
                    RESULT_VARIABLE res_var OUTPUT_VARIABLE GIT_COM_ID WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
    if(${res_var} EQUAL 0 AND NOT OPEN62541_VER_COMMIT STREQUAL "")
        string(REPLACE "\n" "" OPEN62541_VER_COMMIT ${GIT_COM_ID} )
    endif()
endif()
if(NOT OPEN62541_VER_COMMIT OR OPEN62541_VER_COMMIT STREQUAL "")
    set(OPEN62541_VER_COMMIT "undefined")
endif()

#################
# Build Options #
#################

# Set default build type.
if(NOT CMAKE_BUILD_TYPE)
    message(STATUS "CMAKE_BUILD_TYPE not given; setting to 'Debug'")
    set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build" FORCE)
endif()

option(UA_ENABLE_AMALGAMATION "Concatenate the library to a single file open62541.h/.c" OFF)
set(UA_AMALGAMATION_ARCHITECTURES "" CACHE STRING "List of architectures to include in amalgamation")
mark_as_advanced(UA_AMALGAMATION_ARCHITECTURES)

# Platform. This is at the beginning in case the architecture changes some UA options
set(UA_ARCHITECTURE "None" CACHE STRING "Architecture to build open62541 on")

if(UA_ENABLE_AMALGAMATION)
    if("${UA_AMALGAMATION_ARCHITECTURES}" STREQUAL "")
        if(NOT "${UA_ARCHITECTURE}" STREQUAL "None")
            set(UA_AMALGAMATION_ARCHITECTURES "${UA_ARCHITECTURE}")
        else()
            # select some default architectures which should be included
            set(UA_AMALGAMATION_ARCHITECTURES "win32;posix")
        endif()
    endif()
    message(STATUS "Architectures included in amalgamation: ${UA_AMALGAMATION_ARCHITECTURES}")
endif()

if("${UA_ARCHITECTURE}" STREQUAL "None")
    if(UNIX)
        set(UA_ARCHITECTURE "posix" CACHE STRING "" FORCE)
    elseif(WIN32)
        set(UA_ARCHITECTURE "win32" CACHE STRING ""  FORCE)
    endif(UNIX)
endif()

message(STATUS "The selected architecture is: ${UA_ARCHITECTURE}")
string(TOUPPER ${UA_ARCHITECTURE} UA_ARCHITECTURE_UPPER)
add_definitions(-DUA_ARCHITECTURE_${UA_ARCHITECTURE_UPPER})

add_subdirectory(arch)

GET_PROPERTY(architectures GLOBAL PROPERTY UA_ARCHITECTURES)
list(SORT architectures)
set_property(CACHE UA_ARCHITECTURE PROPERTY STRINGS None ${architectures})

GET_PROPERTY(ua_architecture_directories_to_include GLOBAL PROPERTY UA_INCLUDE_DIRECTORIES)

GET_PROPERTY(ua_architecture_headers GLOBAL PROPERTY UA_ARCHITECTURE_HEADERS)

GET_PROPERTY(ua_architecture_headers_beginning GLOBAL PROPERTY UA_ARCHITECTURE_HEADERS_BEGINNING)

GET_PROPERTY(ua_architecture_sources GLOBAL PROPERTY UA_ARCHITECTURE_SOURCES)

set(ua_architecture_sources ${ua_architecture_sources}
    ${PROJECT_SOURCE_DIR}/arch/network_tcp.c
)

set(ua_architecture_headers ${ua_architecture_headers}
    ${PROJECT_SOURCE_DIR}/include/open62541/network_tcp.h
    ${PROJECT_SOURCE_DIR}/include/open62541/architecture_functions.h
)

if(UA_ENABLE_WEBSOCKET_SERVER)
    set(ua_architecture_sources ${ua_architecture_sources}
                                ${PROJECT_SOURCE_DIR}/arch/network_ws.c)

    set(ua_architecture_headers ${ua_architecture_headers}
                                ${PROJECT_SOURCE_DIR}/include/open62541/network_ws.h)
endif()

if(${UA_ARCHITECTURE} STREQUAL "None")
  message(FATAL_ERROR "No architecture was selected. Please select the architecture of your target platform")
endif(${UA_ARCHITECTURE} STREQUAL "None")

# Create a list of ifdefs for all the architectures.
# This is needed to enable a default architecture if none is selected through gcc compiler def.
# Especially if someone is using the amalgamated file on Linux/Windows he should not need to define an architecture.
set(UA_ARCHITECTURES_NODEF "1 ") #to make it easier to append later the && symbol
foreach(arch_ ${architectures})
    string(TOUPPER ${arch_} UA_ARCHITECTURE_UPPER_)
    set(UA_ARCHITECTURES_NODEF "${UA_ARCHITECTURES_NODEF} && !defined(UA_ARCHITECTURE_${UA_ARCHITECTURE_UPPER_})")
endforeach(arch_ ${architectures})

# Options
set(UA_LOGLEVEL 300 CACHE STRING "Level at which logs shall be reported")
option(UA_ENABLE_HISTORIZING "Enable server and client to provide historical access." OFF)
option(UA_ENABLE_EXPERIMENTAL_HISTORIZING "Enable client experimental historical access features." OFF)
option(UA_ENABLE_METHODCALLS "Enable the Method service set" ON)
option(UA_ENABLE_NODEMANAGEMENT "Enable dynamic addition and removal of nodes at runtime" ON)
option(UA_ENABLE_SUBSCRIPTIONS "Enable subscriptions support." ON)
option(UA_ENABLE_SUBSCRIPTIONS_EVENTS "Enable the use of event subscriptions" OFF)
option(UA_ENABLE_DISCOVERY "Enable Discovery Service (LDS)" ON)
option(UA_ENABLE_DISCOVERY_MULTICAST "Enable Discovery Service with multicast support (LDS-ME)" OFF)
option(UA_ENABLE_QUERY "Enable query support." OFF)
option(UA_ENABLE_COVERAGE "Enable gcov coverage" OFF)
option(UA_ENABLE_ENCRYPTION "Enable encryption support (uses mbedTLS)" OFF)
option(UA_ENABLE_MICRO_EMB_DEV_PROFILE "Builds CTT Compliant Micro Embedded Device Server Profile" OFF)
option(BUILD_SHARED_LIBS "Enable building of shared libraries (dll/so)" OFF)
option(UA_ENABLE_WEBSOCKET_SERVER "Enable websocket support (uses libwebsockets)" OFF)

# Namespace Zero
set(UA_NAMESPACE_ZERO "REDUCED" CACHE STRING "Completeness of the generated namespace zero (minimal/reduced/full)")
SET_PROPERTY(CACHE UA_NAMESPACE_ZERO PROPERTY STRINGS "MINIMAL" "REDUCED" "FULL")
if(UA_NAMESPACE_ZERO STREQUAL "MINIMAL")
    set(UA_GENERATED_NAMESPACE_ZERO OFF)
else()
    set(UA_GENERATED_NAMESPACE_ZERO ON)
endif()

if(MSVC AND UA_NAMESPACE_ZERO STREQUAL "FULL")
    # For the full NS0 we need a stack size of 8MB (as it is default on linux)
    # See https://github.com/open62541/open62541/issues/1326
    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:8000000")
endif()

if(UA_ENABLE_MICRO_EMB_DEV_PROFILE)
    if(NOT (UA_NAMESPACE_ZERO STREQUAL "FULL"))
        message(FATAL_ERROR "CTT Compliant Micro Embedded Device Server Profile needs full namespace zero")
    endif()
endif()

if(UA_BUILD_FUZZING OR UA_BUILD_OSS_FUZZ OR UA_BUILD_FUZZING_CORPUS)
    # Force enable options not passed in the build script, to also fuzzy-test this code
    set(UA_ENABLE_DISCOVERY ON CACHE STRING "" FORCE)
    set(UA_ENABLE_DISCOVERY_MULTICAST ON CACHE STRING "" FORCE)
    set(UA_ENABLE_ENCRYPTION ON CACHE STRING "" FORCE)
    set(UA_ENABLE_HISTORIZING ON CACHE STRING "" FORCE)
    set(UA_ENABLE_JSON_ENCODING ON CACHE STRING "" FORCE)
    set(UA_ENABLE_SUBSCRIPTIONS ON CACHE STRING "" FORCE)
    set(UA_ENABLE_SUBSCRIPTIONS_EVENTS ON CACHE STRING "" FORCE)
endif()


# It should not be possible to enable events without enabling subscriptions and full ns0
#if((UA_ENABLE_SUBSCRIPTIONS_EVENTS) AND (NOT (UA_ENABLE_SUBSCRIPTIONS AND UA_NAMESPACE_ZERO STREQUAL "FULL")))
#    message(FATAL_ERROR "Unable to enable events without UA_ENABLE_SUBSCRIPTIONS and full namespace 0")
#endif()

if(UA_ENABLE_COVERAGE)
  set(CMAKE_BUILD_TYPE DEBUG)
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -fprofile-arcs -ftest-coverage")
  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage -lgcov")
  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
endif()

if(UA_ENABLE_DISCOVERY_MULTICAST AND NOT UA_ENABLE_DISCOVERY)
    MESSAGE(WARNING "UA_ENABLE_DISCOVERY_MULTICAST is enabled, but not UA_ENABLE_DISCOVERY. UA_ENABLE_DISCOVERY_MULTICAST will be set to OFF")
    SET(UA_ENABLE_DISCOVERY_MULTICAST OFF CACHE BOOL "Enable Discovery Service with multicast support (LDS-ME)" FORCE)
endif()

# Advanced options
option(UA_ENABLE_MULTITHREADING "Enable multithreading (EXPERIMENTAL)" OFF)
mark_as_advanced(UA_ENABLE_MULTITHREADING)

option(UA_ENABLE_IMMUTABLE_NODES "Nodes in the information model are not edited but copied and replaced" OFF)
mark_as_advanced(UA_ENABLE_IMMUTABLE_NODES)
if(UA_ENABLE_MULTITHREADING)
    set(UA_ENABLE_IMMUTABLE_NODES ON)
endif()

option(UA_ENABLE_CUSTOM_NODESTORE "Do not compile the default Nodestore implementation into the library" OFF)
mark_as_advanced(UA_ENABLE_CUSTOM_NODESTORE)

option(UA_ENABLE_PUBSUB "Enable publish/subscribe" OFF)
mark_as_advanced(UA_ENABLE_PUBSUB)

option(UA_ENABLE_DA "Enable data access" ON)
mark_as_advanced(UA_ENABLE_DA)

option(UA_ENABLE_PUBSUB_ETH_UADP "Enable publish/subscribe UADP over Ethernet" OFF)
mark_as_advanced(UA_ENABLE_PUBSUB_ETH_UADP)
if(UA_ENABLE_PUBSUB_ETH_UADP)
    if (NOT CMAKE_SYSTEM MATCHES "Linux")
    message(FATAL_ERROR "UADP over Ethernet is only available on Linux.")
	endif()
endif()

option(UA_ENABLE_PUBSUB_DELTAFRAMES "Enable sending of delta frames with only the changes" OFF)
mark_as_advanced(UA_ENABLE_PUBSUB_DELTAFRAMES)

option(UA_ENABLE_PUBSUB_INFORMATIONMODEL "Enable PubSub information model twin" OFF)
mark_as_advanced(UA_ENABLE_PUBSUB_INFORMATIONMODEL)
option(UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS "Enable PubSub informationmodel methods" OFF)
mark_as_advanced(UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS)
if(UA_ENABLE_PUBSUB_INFORMATIONMODEL_METHODS)
    if(NOT UA_ENABLE_PUBSUB_INFORMATIONMODEL)
        message(FATAL_ERROR "PubSub information model methods cannot be used with disabled PubSub information model.")
    endif()
endif()
if(UA_ENABLE_PUBSUB_INFORMATIONMODEL)
    if(NOT UA_ENABLE_PUBSUB)
        message(FATAL_ERROR "PubSub information model representation cannot be used with disabled PubSub function.")
    endif()
    if(UA_NAMESPACE_ZERO STREQUAL "MINIMAL")
        message(FATAL_ERROR "PubSub information model representation cannot be used with MINIMAL namespace zero.")
    endif()
endif()

option(UA_ENABLE_PUBSUB_CUSTOM_PUBLISH_HANDLING
       "Use a custom implementation for the publish callback handling" OFF)
mark_as_advanced(UA_ENABLE_PUBSUB_CUSTOM_PUBLISH_HANDLING)
if(UA_ENABLE_PUBSUB_CUSTOM_PUBLISH_INTERRUPT)
    if(NOT UA_ENABLE_PUBSUB)
        message(FATAL_ERROR "Custom publish callback handling cannot be used with PubSub function disabled")
    endif()
endif()

option(UA_ENABLE_JSON_ENCODING "Enable Json encoding (EXPERIMENTAL)" OFF)
mark_as_advanced(UA_ENABLE_JSON_ENCODING)

option(UA_ENABLE_STATUSCODE_DESCRIPTIONS "Enable conversion of StatusCode to human-readable error message" ON)
mark_as_advanced(UA_ENABLE_STATUSCODE_DESCRIPTIONS)

option(UA_ENABLE_TYPENAMES "Add the type and member names to the UA_DataType structure" ON)
mark_as_advanced(UA_ENABLE_TYPENAMES)

option(UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS "Set node description attribute for nodeset compiler generated nodes" ON)
mark_as_advanced(UA_ENABLE_NODESET_COMPILER_DESCRIPTIONS)

option(UA_ENABLE_DETERMINISTIC_RNG "Do not seed the random number generator (e.g. for unit tests)." OFF)
mark_as_advanced(UA_ENABLE_DETERMINISTIC_RNG)

option(UA_ENABLE_MALLOC_SINGLETON
       "Use a global variable pointer for malloc (and free, ...) that can be switched at runtime" OFF)
mark_as_advanced(UA_ENABLE_MALLOC_SINGLETON)
if(UA_ENABLE_MALLOC_SINGLETON)
    if(NOT "${UA_ARCHITECTURE}" MATCHES "posix")
        message(FATAL_ERROR "The singleton malloc is available only for the posix architecture")
    endif()
endif()

option(UA_ENABLE_VALGRIND_INTERACTIVE "Enable dumping valgrind every iteration. CAUTION! SLOWDOWN!" OFF)
mark_as_advanced(UA_ENABLE_VALGRIND_INTERACTIVE)

option(UA_MSVC_FORCE_STATIC_CRT "Force linking with the static C-runtime library when compiling to static library with MSVC" ON)
mark_as_advanced(UA_MSVC_FORCE_STATIC_CRT)

option(UA_FILE_NS0 "Override the NodeSet xml file used to generate namespace zero")
mark_as_advanced(UA_FILE_NS0)

# Semaphores/file system may not be available on embedded devices. It can be
# disabled with the following option
option(UA_ENABLE_DISCOVERY_SEMAPHORE "Enable Discovery Semaphore support" ON)
mark_as_advanced(UA_ENABLE_DISCOVERY_SEMAPHORE)

option(UA_ENABLE_UNIT_TESTS_MEMCHECK "Use Valgrind (Linux) or DrMemory (Windows) to detect memory leaks when running the unit tests" OFF)
mark_as_advanced(UA_ENABLE_UNIT_TESTS_MEMCHECK)

option(UA_ENABLE_UNIT_TEST_FAILURE_HOOKS
       "Add hooks to force failure modes for additional unit tests. Not for production use!" OFF)
mark_as_advanced(UA_ENABLE_UNIT_TEST_FAILURE_HOOKS)

set(UA_VALGRIND_INTERACTIVE_INTERVAL 1000 CACHE STRING "The number of iterations to wait before creating the next dump")
mark_as_advanced(UA_VALGRIND_INTERACTIVE_INTERVAL)

# Build options for debugging
option(UA_DEBUG "Enable assertions and additional functionality that should not be included in release builds" OFF)
mark_as_advanced(UA_DEBUG)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
    set(UA_DEBUG ON)
endif()

option(UA_DEBUG_DUMP_PKGS "Dump every package received by the server as hexdump format" OFF)
mark_as_advanced(UA_DEBUG_DUMP_PKGS)

option(UA_ENABLE_HARDENING "Enable Hardening measures (e.g. Stack-Protectors and Fortify)" ON)
mark_as_advanced(UA_ENABLE_HARDENING)

if(CMAKE_VERSION VERSION_GREATER 3.6)
    set(UA_ENABLE_STATIC_ANALYZER "OFF" CACHE STRING "Enable installed static analyzer during build process (off/minimal/reduced/full)")
    SET_PROPERTY(CACHE UA_ENABLE_STATIC_ANALYZER PROPERTY STRINGS "OFF" "MINIMAL" "REDUCED" "FULL")
endif()

# Build Targets
option(UA_BUILD_EXAMPLES "Build example servers and clients" OFF)
option(UA_BUILD_TOOLS "Build OPC UA shell tools" OFF)
option(UA_BUILD_UNIT_TESTS "Build the unit tests" OFF)
option(UA_BUILD_FUZZING "Build the fuzzing executables" OFF)
mark_as_advanced(UA_BUILD_FUZZING)
if(UA_BUILD_FUZZING)
    # oss-fuzz already defines this by default
    add_definitions(-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
endif()

if(UA_ENABLE_EXPERIMENTAL_HISTORIZING)
    if(NOT UA_ENABLE_HISTORIZING)
        message(FATAL_ERROR "UA_ENABLE_EXPERIMENTAL_HISTORIZING cannot be used with disabled UA_ENABLE_HISTORIZING.")
    endif()
endif()

option(UA_BUILD_FUZZING_CORPUS "Build the fuzzing corpus" OFF)
mark_as_advanced(UA_BUILD_FUZZING_CORPUS)
if(UA_BUILD_FUZZING_CORPUS)
    add_definitions(-DUA_DEBUG_DUMP_PKGS_FILE)
    set(UA_ENABLE_TYPENAMES ON CACHE STRING "" FORCE)
    #set(UA_DEBUG_DUMP_PKGS ON CACHE STRING "" FORCE)
endif()

option(UA_BUILD_OSS_FUZZ "Special build switch used in oss-fuzz" OFF)
mark_as_advanced(UA_BUILD_OSS_FUZZ)

# Advanced Build Targets
option(UA_PACK_DEBIAN "Special build switch used in .deb packaging" OFF)
mark_as_advanced(UA_PACK_DEBIAN)

# Building shared libs (dll, so). This option is written into ua_config.h.
set(UA_DYNAMIC_LINKING OFF)
if(BUILD_SHARED_LIBS)
  set(UA_DYNAMIC_LINKING ON)
  if (UA_ENABLE_DISCOVERY_MULTICAST)
      set(MDNSD_DYNAMIC_LINKING ON)
  endif()
endif()

# Warn if experimental features are enabled
if(UA_ENABLE_MULTITHREADING)
    MESSAGE(WARNING "UA_ENABLE_MULTITHREADING is enabled. The feature is under development and marked as EXPERIMENTAL")
endif()

########################
# Linting during build #
########################
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
include(linting_build)

######################
# External Libraries #
######################

list(APPEND open62541_LIBRARIES "")

# Force compilation with as C++
option(UA_COMPILE_AS_CXX "Force compilation with a C++ compiler" OFF)
mark_as_advanced(UA_COMPILE_AS_CXX)
if (UA_COMPILE_AS_CXX)
    # We need the UINT32_C define
    add_definitions(-D__STDC_CONSTANT_MACROS)
endif()

if(UA_ENABLE_ENCRYPTION)
    # The recommended way is to install mbedtls via the OS package manager. If
    # that is not possible, manually compile mbedTLS and set the cmake variables
    # defined in /tools/cmake/FindMbedTLS.cmake.
    find_package(MbedTLS REQUIRED)
    list(APPEND open62541_LIBRARIES ${MBEDTLS_LIBRARIES})
endif()

if(UA_ENABLE_WEBSOCKET_SERVER)
    # The recommended way is to install libwebsockets via the OS package manager. If
    # that is not possible, manually compile libwebsockets and set the cmake variables
    # defined in /tools/cmake/Findlibwebsockets.cmake
    find_package(libwebsockets REQUIRED)
    list(APPEND open62541_LIBRARIES ${LIBWEBSOCKETS_LIBRARIES})
endif()

#####################
# Compiler Settings #
#####################

include(CompilerFlags)
if(NOT UA_COMPILE_AS_CXX AND (CMAKE_COMPILER_IS_GNUCC OR "x${CMAKE_C_COMPILER_ID}" STREQUAL "xClang"))
    # Compiler
    add_definitions(-std=c99 -pipe
                    -Wall -Wextra -Wpedantic
                    -Wno-static-in-inline # clang doesn't like the use of static inline methods inside static inline methods
                    -Wno-overlength-strings # may happen in the nodeset compiler when complex values are directly encoded
                    -Wno-unused-parameter # some methods may require unused arguments to cast to a method pointer
                    -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls
                    -Wformat -Wformat-security -Wformat-nonliteral
                    -Wuninitialized -Winit-self
                    -Wcast-qual
                    -Wstrict-overflow
                    -Wnested-externs
                    -Wmultichar
                    -Wundef
                    -Wc++-compat
                    -fno-strict-aliasing # fewer compiler assumptions about pointer types
                    -fexceptions # recommended for multi-threaded C code, also in combination with C++ code
                    )
    set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Werror")

    if (NOT MINGW)
        if(UA_ENABLE_HARDENING)
            check_cc_flag("-fstack-protector-strong") # more performant stack protector, available since gcc 4.9
            check_cc_flag("-fstack-clash-protection") # increased reliability of stack overflow detection, available since gcc 8
            check_cc_flag_untested("-mcet -fcf-protection") # future use (control flow integrity protection)
        endif()

        # IPO requires too much memory for unit tests
        # GCC docu recommends to compile all files with the same options, therefore ignore it completely
        if(NOT UA_BUILD_UNIT_TESTS)
            # needed to check if IPO is supported (check needs cmake > 3.9)
            if("${CMAKE_VERSION}" VERSION_GREATER 3.9)
                cmake_policy(SET CMP0069 NEW) # needed as long as required cmake < 3.9
                include(CheckIPOSupported)
                check_ipo_supported(RESULT CC_HAS_IPO) # Inter Procedural Optimization / Link Time Optimization (should be same as -flto)
                if(CC_HAS_IPO)
                    set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
                endif()
            endif()
        endif()
    endif()

    if(UA_ENABLE_AMALGAMATION)
        add_definitions(-Wno-unused-function)
    endif()

    if(UA_PACK_DEBIAN)
        remove_definitions(-Wno-static-in-inline)
    endif()

    # Linker
    set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # cmake sets -rdynamic by default

    # Debug
    if(BUILD_TYPE_LOWER_CASE STREQUAL "debug")
        if("x${CMAKE_C_COMPILER_ID}" STREQUAL "xClang" AND NOT UA_ENABLE_UNIT_TESTS_MEMCHECK)
            # Add default sanitizer settings when using clang and Debug build.
            # This allows e.g. CLion to find memory locations for SegFaults
            message(STATUS "Sanitizer enabled")
            set(SANITIZER_FLAGS "-g -fno-omit-frame-pointer -gline-tables-only -fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp -fsanitize=leak -fsanitize=undefined")
            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SANITIZER_FLAGS}")
            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SANITIZER_FLAGS}")
        endif()
    endif()

    if(UA_ENABLE_HARDENING AND (CMAKE_BUILD_TYPE STREQUAL "Release") OR (CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo"))
        check_cc_flag("-D_FORTIFY_SOURCE=2") # run-time buffer overflow detection (needs at least -O1)
    endif()

    # Strip release builds
    if(CMAKE_BUILD_TYPE STREQUAL "MinSizeRel" OR CMAKE_BUILD_TYPE STREQUAL "Release")
        add_definitions(-ffunction-sections -fdata-sections -fno-unwind-tables
                        -fno-asynchronous-unwind-tables -fno-math-errno -fno-ident)
        # remove stack-protector with MinSizeRel
        if(CMAKE_BUILD_TYPE STREQUAL "MinSizeRel")
            add_definitions(-fno-stack-protector)
        endif()
        if(NOT OS9)
            set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -s")
            set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -s")
        endif()
        if(APPLE)
            set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,-dead_strip")
            set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-dead_strip")
        else()
            set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--gc-sections")
            set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections")
        endif()
        if(NOT WIN32 AND NOT CYGWIN AND NOT APPLE)
            # these settings reduce the binary size by ~2kb
            set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,-z,norelro -Wl,--hash-style=gnu -Wl,--build-id=none")
        endif()
    endif()
endif()



if(APPLE)
    set(CMAKE_MACOSX_RPATH 1)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_DARWIN_C_SOURCE=1")
endif()

if(MSVC)
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3 /WX /w44996") # Compiler warnings, error on warning

  if(UA_MSVC_FORCE_STATIC_CRT AND NOT BUILD_SHARED_LIBS)
    set(CompilerFlags CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE CMAKE_C_FLAGS
        CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE)
    foreach(CompilerFlag ${CompilerFlags})
      string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
    endforeach()
  endif()
endif()

if(UA_BUILD_FUZZING OR UA_BUILD_OSS_FUZZ)
    add_definitions(-DUA_malloc=UA_memoryManager_malloc)
    add_definitions(-DUA_free=UA_memoryManager_free)
    add_definitions(-DUA_calloc=UA_memoryManager_calloc)
    add_definitions(-DUA_realloc=UA_memoryManager_realloc)
endif()

#########################
# Generate Main Library #
#########################

file(MAKE_DIRECTORY "${PROJECT_BINARY_DIR}/src_generated")
configure_file(include/open62541/config.h.in ${PROJECT_BINARY_DIR}/src_generated/open62541/config.h)
configure_file(open62541.pc.in ${PROJECT_BINARY_DIR}/src_generated/open62541.pc @ONLY)

if(UA_ENABLE_DISCOVERY_MULTICAST)
    set(MDNSD_LOGLEVEL 300 CACHE STRING "Level at which logs shall be reported" FORCE)
    configure_file("deps/mdnsd/libmdnsd/mdnsd_config.h.in" "${PROJECT_BINARY_DIR}/src_generated/mdnsd_config.h")
endif()

set(exported_headers ${exported_headers}
                     ${PROJECT_BINARY_DIR}/src_generated/open62541/config.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/architecture_base.h
                     ${ua_architecture_headers_beginning}
                     )

if(NOT "${UA_AMALGAMATION_ARCHITECTURES}" STREQUAL "")
    foreach(arch ${UA_AMALGAMATION_ARCHITECTURES})
        list(APPEND exported_headers ${PROJECT_SOURCE_DIR}/arch/${arch}/ua_architecture.h)
    endforeach()
else()
    list(APPEND exported_headers ${PROJECT_SOURCE_DIR}/arch/${UA_ARCHITECTURE}/ua_architecture.h)
endif()


if(UA_ENABLE_HISTORIZING)
    # Historizing needs to be included before server_config.h
    set(historizing_exported_headers
         ${PROJECT_SOURCE_DIR}/include/open62541/plugin/historydatabase.h)
endif()

set(exported_headers ${exported_headers}
                     ${PROJECT_SOURCE_DIR}/deps/ms_stdint.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/architecture_definitions.h
                     ${PROJECT_BINARY_DIR}/src_generated/open62541/statuscodes.h
                     ${PROJECT_BINARY_DIR}/src_generated/open62541/nodeids.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/constants.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/types.h
                     ${PROJECT_BINARY_DIR}/src_generated/open62541/types_generated.h
                     ${PROJECT_BINARY_DIR}/src_generated/open62541/types_generated_handling.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/util.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/server.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/plugin/log.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/plugin/network.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/plugin/accesscontrol.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/plugin/pki.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/plugin/securitypolicy.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/server_pubsub.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/plugin/pubsub.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/plugin/nodestore.h
                     ${historizing_exported_headers}
                     ${PROJECT_SOURCE_DIR}/include/open62541/server_config.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/client_config.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/client.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/client_highlevel.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/client_subscriptions.h
                     ${PROJECT_SOURCE_DIR}/include/open62541/client_highlevel_async.h)

set(internal_headers ${PROJECT_SOURCE_DIR}/deps/open62541_queue.h
                     ${PROJECT_SOURCE_DIR}/deps/ziptree.h
                     ${PROJECT_SOURCE_DIR}/deps/pcg_basic.h
                     ${PROJECT_SOURCE_DIR}/deps/libc_time.h
                     ${PROJECT_SOURCE_DIR}/deps/base64.h
                     ${PROJECT_SOURCE_DIR}/src/ua_util_internal.h
                     ${PROJECT_SOURCE_DIR}/src/ua_types_encoding_binary.h
                     ${PROJECT_BINARY_DIR}/src_generated/open62541/types_generated_encoding_binary.h
                     ${PROJECT_BINARY_DIR}/src_generated/open62541/transport_generated.h
                     ${PROJECT_BINARY_DIR}/src_generated/open62541/transport_generated_handling.h
                     ${PROJECT_BINARY_DIR}/src_generated/open62541/transport_generated_encoding_binary.h
                     ${PROJECT_SOURCE_DIR}/src/ua_connection_internal.h
                     ${PROJECT_SOURCE_DIR}/src/ua_securechannel.h
                     ${PROJECT_SOURCE_DIR}/src/ua_workqueue.h
                     ${PROJECT_SOURCE_DIR}/src/ua_timer.h
                     ${PROJECT_SOURCE_DIR}/src/server/ua_session.h
                     ${PROJECT_SOURCE_DIR}/src/server/ua_subscription.h
                     ${PROJECT_SOURCE_DIR}/src/server/ua_session_manager.h
                     ${PROJECT_SOURCE_DIR}/src/server/ua_securechannel_manager.h
                     ${PROJECT_SOURCE_DIR}/src/pubsub/ua_pubsub_networkmessage.h
                     ${PROJECT_SOURCE_DIR}/src/pubsub/ua_pubsub.h
                     ${PROJECT_SOURCE_DIR}/src/pubsub/ua_pubsub_manager.h
                     ${PROJECT_SOURCE_DIR}/src/pubsub/ua_pubsub_ns0.h
                     ${PROJECT_SOURCE_DIR}/src/server/ua_server_internal.h
                     ${PROJECT_SOURCE_DIR}/src/server/ua_services.h
                     ${PROJECT_SOURCE_DIR}/src/client/ua_client_internal.h)

# TODO: make client optional
set(lib_sources ${PROJECT_SOURCE_DIR}/src/ua_types.c
                ${PROJECT_SOURCE_DIR}/src/ua_types_encoding_binary.c
                ${PROJECT_BINARY_DIR}/src_generated/open62541/types_generated.c
                ${PROJECT_BINARY_DIR}/src_generated/open62541/transport_generated.c
                ${PROJECT_BINARY_DIR}/src_generated/open62541/statuscodes.c
                ${PROJECT_SOURCE_DIR}/src/ua_util.c
                ${PROJECT_SOURCE_DIR}/src/ua_workqueue.c
                ${PROJECT_SOURCE_DIR}/src/ua_timer.c
                ${PROJECT_SOURCE_DIR}/src/ua_connection.c
                ${PROJECT_SOURCE_DIR}/src/ua_securechannel.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_session.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_nodes.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_server.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_server_ns0.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_server_config.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_server_binary.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_server_utils.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_server_discovery.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_securechannel_manager.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_session_manager.c
                ${PROJECT_SOURCE_DIR}/src/pubsub/ua_pubsub_networkmessage.c
                ${PROJECT_SOURCE_DIR}/src/pubsub/ua_pubsub.c
                ${PROJECT_SOURCE_DIR}/src/pubsub/ua_pubsub_manager.c
                ${PROJECT_SOURCE_DIR}/src/pubsub/ua_pubsub_ns0.c
                # services
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_view.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_method.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_session.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_attribute.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_discovery.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_subscription.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_monitoreditem.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_securechannel.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_nodemanagement.c
                ${PROJECT_SOURCE_DIR}/src/server/ua_services_discovery_multicast.c
                # client
                ${PROJECT_SOURCE_DIR}/src/client/ua_client.c
                ${PROJECT_SOURCE_DIR}/src/client/ua_client_connect.c
                ${PROJECT_SOURCE_DIR}/src/client/ua_client_connect_async.c
                ${PROJECT_SOURCE_DIR}/src/client/ua_client_discovery.c
                ${PROJECT_SOURCE_DIR}/src/client/ua_client_highlevel.c
                ${PROJECT_SOURCE_DIR}/src/client/ua_client_subscriptions.c
                ${PROJECT_SOURCE_DIR}/src/client/ua_client_worker.c

                # dependencies
                ${PROJECT_SOURCE_DIR}/deps/libc_time.c
                ${PROJECT_SOURCE_DIR}/deps/pcg_basic.c
                ${PROJECT_SOURCE_DIR}/deps/base64.c)

set(default_plugin_headers ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/accesscontrol_default.h
                           ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/pki_default.h
                           ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/log_stdout.h
                           ${PROJECT_SOURCE_DIR}/plugins/include/open62541/server_config_default.h
                           ${PROJECT_SOURCE_DIR}/plugins/include/open62541/client_config_default.h
                           ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/securitypolicy_default.h
)

set(default_plugin_sources ${PROJECT_SOURCE_DIR}/plugins/ua_log_stdout.c
                           ${PROJECT_SOURCE_DIR}/plugins/ua_accesscontrol_default.c
                           ${PROJECT_SOURCE_DIR}/plugins/ua_pki_default.c
                           ${PROJECT_SOURCE_DIR}/plugins/ua_nodestore_default.c
                           ${PROJECT_SOURCE_DIR}/plugins/ua_config_default.c
                           ${PROJECT_SOURCE_DIR}/plugins/securityPolicies/ua_securitypolicy_none.c
)

if(UA_GENERATED_NAMESPACE_ZERO)
    list(APPEND internal_headers ${PROJECT_BINARY_DIR}/src_generated/open62541/namespace0_generated.h)
    list(APPEND lib_sources ${PROJECT_BINARY_DIR}/src_generated/open62541/namespace0_generated.c)
endif()

list(APPEND default_plugin_headers
     ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/securitypolicy_mbedtls_common.h)
list(APPEND default_plugin_sources
     ${PROJECT_SOURCE_DIR}/plugins/securityPolicies/securitypolicy_mbedtls_common.c
     ${PROJECT_SOURCE_DIR}/plugins/securityPolicies/ua_securitypolicy_basic128rsa15.c
     ${PROJECT_SOURCE_DIR}/plugins/securityPolicies/ua_securitypolicy_basic256.c
     ${PROJECT_SOURCE_DIR}/plugins/securityPolicies/ua_securitypolicy_basic256sha256.c)

if(UA_ENABLE_HISTORIZING)

    list(APPEND default_plugin_headers
         ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/historydata/history_data_backend.h
         ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/historydata/history_data_gathering.h
         ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/historydata/history_database_default.h
         ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/historydata/history_data_gathering_default.h
         ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/historydata/history_data_backend_memory.h
         )
    list(APPEND default_plugin_sources
         ${PROJECT_SOURCE_DIR}/plugins/historydata/ua_history_data_backend_memory.c
         ${PROJECT_SOURCE_DIR}/plugins/historydata/ua_history_data_gathering_default.c
         ${PROJECT_SOURCE_DIR}/plugins/historydata/ua_history_database_default.c
         )
endif()

if(UA_ENABLE_DISCOVERY)
    list(INSERT internal_headers 13 ${PROJECT_SOURCE_DIR}/src/server/ua_discovery_manager.h)
    list(APPEND lib_sources ${PROJECT_SOURCE_DIR}/src/server/ua_discovery_manager.c)
endif()

if(UA_ENABLE_PUBSUB)
    list(APPEND default_plugin_headers ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/pubsub_udp.h)
    list(APPEND default_plugin_sources ${PROJECT_SOURCE_DIR}/plugins/ua_pubsub_udp.c)
    if(UA_ENABLE_PUBSUB_ETH_UADP)
        list(APPEND default_plugin_headers ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/pubsub_ethernet.h)
        list(APPEND default_plugin_sources ${PROJECT_SOURCE_DIR}/plugins/ua_pubsub_ethernet.c)
    endif()
endif()

if(UA_ENABLE_JSON_ENCODING)
    if(UA_ENABLE_PUBSUB)
        list(APPEND lib_sources ${PROJECT_SOURCE_DIR}/src/pubsub/ua_pubsub_networkmessage_json.c)
    endif()
    list(APPEND internal_headers ${PROJECT_SOURCE_DIR}/deps/jsmn/jsmn.h
                                 ${PROJECT_SOURCE_DIR}/deps/string_escape.h
                                 ${PROJECT_SOURCE_DIR}/deps/itoa.h
                                 ${PROJECT_SOURCE_DIR}/deps/atoi.h
                                 ${PROJECT_SOURCE_DIR}/src/ua_types_encoding_json.h)
    list(APPEND lib_sources ${PROJECT_SOURCE_DIR}/deps/jsmn/jsmn.c
                            ${PROJECT_SOURCE_DIR}/deps/string_escape.c
                            ${PROJECT_SOURCE_DIR}/deps/itoa.c
                            ${PROJECT_SOURCE_DIR}/deps/atoi.c
                            ${PROJECT_SOURCE_DIR}/src/ua_types_encoding_json.c)
endif()

if(UA_ENABLE_CUSTOM_LIBC)
     list(APPEND lib_sources ${PROJECT_SOURCE_DIR}/deps/musl/floatscan.c
                             ${PROJECT_SOURCE_DIR}/deps/musl/vfprintf.c)
endif()

if(UA_ENABLE_SUBSCRIPTIONS)
    list(APPEND lib_sources ${PROJECT_SOURCE_DIR}/src/server/ua_subscription.c
                            ${PROJECT_SOURCE_DIR}/src/server/ua_subscription_monitoreditem.c
                            ${PROJECT_SOURCE_DIR}/src/server/ua_subscription_datachange.c)
    if(UA_ENABLE_SUBSCRIPTIONS_EVENTS)
        list(APPEND lib_sources ${PROJECT_SOURCE_DIR}/src/server/ua_subscription_events.c)
    endif()
endif()

if(UA_DEBUG_DUMP_PKGS)
    list(APPEND lib_sources ${PROJECT_SOURCE_DIR}/plugins/ua_debug_dump_pkgs.c)
endif()

if(UA_ENABLE_DISCOVERY_MULTICAST)
    # prepend in list, otherwise it complains that winsock2.h has to be included before windows.h
    set(internal_headers ${PROJECT_BINARY_DIR}/src_generated/mdnsd_config.h
                         ${PROJECT_SOURCE_DIR}/deps/mdnsd/libmdnsd/1035.h
                         ${PROJECT_SOURCE_DIR}/deps/mdnsd/libmdnsd/xht.h
                         ${PROJECT_SOURCE_DIR}/deps/mdnsd/libmdnsd/sdtxt.h
                         ${PROJECT_SOURCE_DIR}/deps/mdnsd/libmdnsd/mdnsd.h
                         ${internal_headers} )
    set(lib_sources ${PROJECT_SOURCE_DIR}/src/server/ua_server_discovery_mdns.c
        ${PROJECT_SOURCE_DIR}/deps/mdnsd/libmdnsd/1035.c
        ${PROJECT_SOURCE_DIR}/deps/mdnsd/libmdnsd/xht.c
        ${PROJECT_SOURCE_DIR}/deps/mdnsd/libmdnsd/sdtxt.c
        ${PROJECT_SOURCE_DIR}/deps/mdnsd/libmdnsd/mdnsd.c
        ${lib_sources})
endif()

if(UA_BUILD_FUZZING OR UA_BUILD_OSS_FUZZ)
    set(lib_sources
        ${lib_sources}
        ${PROJECT_SOURCE_DIR}/tests/fuzz/custom_memory_manager.c)
endif()

#########################
# Generate source files #
#########################

# List of nodeset files combined into NS0 generated file
set(UA_FILE_NODESETS)

if(UA_NAMESPACE_ZERO STREQUAL "FULL")
    if(NOT UA_FILE_NS0)
        set(UA_FILE_NS0 ${PROJECT_SOURCE_DIR}/deps/ua-nodeset/Schema/Opc.Ua.NodeSet2.xml)
    endif()
    set(UA_FILE_NODESETS "${UA_FILE_NS0}")

    if(NOT EXISTS "${UA_FILE_NS0}")
        message(FATAL_ERROR "File ${UA_FILE_NS0} not found. You probably need to initialize the git submodule for deps/ua-nodeset.")
    endif()


    set(UA_FILE_NODEIDS ${PROJECT_SOURCE_DIR}/deps/ua-nodeset/Schema/NodeIds.csv)
    set(UA_FILE_STATUSCODES ${PROJECT_SOURCE_DIR}/deps/ua-nodeset/Schema/StatusCode.csv)
    set(UA_FILE_TYPES_BSD ${PROJECT_SOURCE_DIR}/deps/ua-nodeset/Schema/Opc.Ua.Types.bsd)
else()
    if(NOT UA_FILE_NS0)
        set(UA_FILE_NS0 ${PROJECT_SOURCE_DIR}/tools/schema/Opc.Ua.NodeSet2.Minimal.xml)
    endif()
    set(UA_FILE_NODESETS "${UA_FILE_NS0}")

    set(UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_minimal.txt)
    set(UA_FILE_NODEIDS ${PROJECT_SOURCE_DIR}/tools/schema/NodeIds.csv)
    set(UA_FILE_STATUSCODES ${PROJECT_SOURCE_DIR}/tools/schema/StatusCode.csv)
    set(UA_FILE_TYPES_BSD ${PROJECT_SOURCE_DIR}/tools/schema/Opc.Ua.Types.bsd)

    if(UA_ENABLE_METHODCALLS)
        list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_method.txt)
    endif()

    if(UA_ENABLE_SUBSCRIPTIONS)
        list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_subscriptions.txt)
    endif()

    if(UA_ENABLE_SUBSCRIPTIONS_EVENTS)
        list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_events.txt)
        list(APPEND UA_FILE_NODESETS ${PROJECT_SOURCE_DIR}/tools/schema/Opc.Ua.NodeSet2.EventsMinimal.xml)
    endif()

    if(UA_ENABLE_HISTORIZING)
        list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_historizing.txt)
        list(APPEND UA_FILE_NODESETS ${PROJECT_SOURCE_DIR}/tools/schema/Opc.Ua.NodeSet2.HistorizingMinimal.xml)
    endif()

    if(UA_ENABLE_DISCOVERY)
        list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_discovery.txt)
    endif()

    if(UA_ENABLE_QUERY)
        list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_query.txt)
    endif()

    if(UA_ENABLE_PUBSUB)
        list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_pubsub.txt)
        if(UA_ENABLE_PUBSUB_INFORMATIONMODEL)
            list(APPEND UA_FILE_NODESETS ${PROJECT_SOURCE_DIR}/tools/schema/Opc.Ua.NodeSet2.PubSubMinimal.xml)
        endif()
    endif()
	if(UA_ENABLE_DA)
		list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_dataaccess.txt)
    endif()
endif()

# standard-defined data types
ua_generate_datatypes(
    BUILTIN
    NAME "types"
    TARGET_SUFFIX "types"
    NAMESPACE_IDX 0
    FILE_CSV "${UA_FILE_NODEIDS}"
    FILES_BSD "${UA_FILE_TYPES_BSD}"
    FILES_SELECTED ${UA_FILE_DATATYPES}
)

# transport data types
ua_generate_datatypes(
    INTERNAL
    NAME "transport"
    TARGET_SUFFIX "transport"
    NAMESPACE_IDX 1
    FILE_CSV "${UA_FILE_NODEIDS}"
    FILES_BSD "${UA_FILE_TYPES_BSD}" "${PROJECT_SOURCE_DIR}/tools/schema/Custom.Opc.Ua.Transport.bsd"
    FILES_SELECTED "${PROJECT_SOURCE_DIR}/tools/schema/datatypes_transport.txt"
)

# statuscode explanation
add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/src_generated/open62541/statuscodes.h
                          ${PROJECT_BINARY_DIR}/src_generated/open62541/statuscodes.c
        PRE_BUILD
        COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/tools/generate_statuscode_descriptions.py
        ${UA_FILE_STATUSCODES} ${PROJECT_BINARY_DIR}/src_generated/open62541/statuscodes
        DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/tools/generate_statuscode_descriptions.py
                ${UA_FILE_STATUSCODES})

# Header containing defines for all NodeIds
ua_generate_nodeid_header(
    NAME "nodeids"
    ID_PREFIX "NS0"
    TARGET_SUFFIX "ids-ns0"
    FILE_CSV "${UA_FILE_NODEIDS}"
)

# we need a custom target to avoid that the generator is called concurrently and
# thus overwriting files while the other thread is compiling
add_custom_target(open62541-generator-statuscode DEPENDS
        ${PROJECT_BINARY_DIR}/src_generated/open62541/nodeids.h
        ${PROJECT_BINARY_DIR}/src_generated/open62541/statuscodes.h
        ${PROJECT_BINARY_DIR}/src_generated/open62541/statuscodes.c)

if (UA_ENABLE_AMALGAMATION)
    # single-file release
    add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/open62541.h
                       PRE_BUILD
                       COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/tools/amalgamate.py
                               ${OPEN62541_VER_COMMIT} ${CMAKE_CURRENT_BINARY_DIR}/open62541.h
                               ${exported_headers} ${default_plugin_headers} ${ua_architecture_headers}
                       DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/tools/amalgamate.py
                               ${exported_headers} ${default_plugin_headers} ${ua_architecture_headers})

    add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/open62541.c
                       PRE_BUILD
                       COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/tools/amalgamate.py
                               ${OPEN62541_VER_COMMIT} ${CMAKE_CURRENT_BINARY_DIR}/open62541.c
                               ${internal_headers} ${lib_sources} ${default_plugin_sources} ${ua_architecture_sources}
                       DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/tools/amalgamate.py ${internal_headers}
                               ${lib_sources} ${default_plugin_sources} ${ua_architecture_sources} )

    add_custom_target(open62541-amalgamation-source DEPENDS ${PROJECT_BINARY_DIR}/open62541.c)
    add_custom_target(open62541-amalgamation-header DEPENDS ${PROJECT_BINARY_DIR}/open62541.h)

    add_dependencies(open62541-amalgamation-header open62541-generator-types)
    add_dependencies(open62541-amalgamation-source open62541-generator-types
                     open62541-generator-transport open62541-generator-statuscode)
endif()

ua_generate_nodeset(
    NAME "ns0"
    FILE ${UA_FILE_NODESETS}
    INTERNAL
    IGNORE "${PROJECT_SOURCE_DIR}/tools/nodeset_compiler/NodeID_NS0_Base.txt"
    DEPENDS_TARGET "open62541-generator-types"
)

# stack protector and optimization needs to be disabled for the huge ns0 file, otherwise debian packaging fails due to long build times.
# We also disable optimization on Appveyor builds, since they take almost an hour otherwise
if(UA_PACK_DEBIAN OR (NOT "$ENV{APPVEYOR}" STREQUAL "") OR (
        (CMAKE_BUILD_TYPE STREQUAL "MinSizeRel" OR CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo") AND (
            # List of compilers which have problems with the huge ns0 optimization
            (("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") AND (CMAKE_C_COMPILER_VERSION VERSION_LESS 7.0))
        )
   ))
    set_source_files_properties(${PROJECT_BINARY_DIR}/src_generated/open62541/namespace0_generated.c PROPERTIES COMPILE_FLAGS "-fno-stack-protector -O0")
endif()

#####################
# Build the Library #
#####################

assign_source_group(${lib_sources})
assign_source_group(${internal_headers})
assign_source_group(${exported_headers})
assign_source_group(${default_plugin_sources})
assign_source_group(${ua_architecture_sources})

if(UA_ENABLE_AMALGAMATION)
    add_library(open62541-object OBJECT ${PROJECT_BINARY_DIR}/open62541.c ${PROJECT_BINARY_DIR}/open62541.h)
    target_include_directories(open62541-object PRIVATE ${PROJECT_BINARY_DIR})
    target_include_directories(open62541-object PRIVATE "${ua_architecture_directories_to_include}")
    if(UA_ENABLE_ENCRYPTION)
        target_include_directories(open62541-object PRIVATE ${MBEDTLS_INCLUDE_DIRS})
    endif()

    # make sure the open62541_amalgamation target builds before so that amalgamation is finished and it is not executed again for open62541-object
    # and thus may overwrite the amalgamation result during multiprocessor compilation
    # the header is already a dependency of open62541 target itself
    add_dependencies(open62541-object
                     open62541-amalgamation-header
                     open62541-generator-types
                     open62541-generator-transport
                     open62541-generator-statuscode
                     open62541-amalgamation-source)

    add_library(open62541 $<TARGET_OBJECTS:open62541-object>)
    # the only directory that needs to be included if open62541 (amalgameted) target from
    # the build directory is ${PROJECT_BINARY_DIR}, that contains the generated open62541.h
    target_include_directories(open62541 PUBLIC $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>)

    if(UA_COMPILE_AS_CXX)
        set_source_files_properties(${PROJECT_BINARY_DIR}/open62541.c PROPERTIES LANGUAGE CXX)
    endif()

    add_dependencies(open62541-amalgamation-source open62541-generator-namespace)
    add_dependencies(open62541-amalgamation-header open62541-generator-namespace)
else()
    add_library(open62541-object OBJECT ${lib_sources} ${internal_headers} ${exported_headers})
    add_dependencies(open62541-object
                     open62541-generator-types
                     open62541-generator-transport
                     open62541-generator-statuscode
                     open62541-generator-namespace
                     )
    target_include_directories(open62541-object PRIVATE ${PROJECT_SOURCE_DIR}/src)

    add_library(open62541-plugins OBJECT ${default_plugin_sources} ${ua_architecture_sources} ${exported_headers})
    add_dependencies(open62541-plugins open62541-generator-types open62541-generator-transport)
    target_include_directories(open62541-plugins PRIVATE ${PROJECT_SOURCE_DIR}/plugins)
    target_include_directories(open62541-plugins PRIVATE ${PROJECT_BINARY_DIR}/src_generated)
    target_compile_definitions(open62541-plugins PRIVATE -DUA_DYNAMIC_LINKING_EXPORT)
    set_target_properties(open62541-plugins PROPERTIES FOLDER "open62541/lib")

    add_library(open62541 $<TARGET_OBJECTS:open62541-object> $<TARGET_OBJECTS:open62541-plugins>)

    if(UA_COMPILE_AS_CXX)
        set_source_files_properties(${lib_sources} PROPERTIES LANGUAGE CXX)
        set_source_files_properties(${default_plugin_sources} ${ua_architecture_sources} PROPERTIES LANGUAGE CXX)
    endif()

    # Declare include directories
    function(include_directories_private)
        foreach(_include_dir IN ITEMS ${ARGN})
            target_include_directories(open62541-object PRIVATE ${_include_dir})
            target_include_directories(open62541-plugins PRIVATE ${_include_dir})
        endforeach()
    endfunction()

    function(include_directories_public)
        include_directories_private(${ARGN})
        foreach(_include_dir IN ITEMS ${ARGN})
            target_include_directories(open62541 PUBLIC $<BUILD_INTERFACE:${_include_dir}>)
        endforeach()
    endfunction()

    # Public includes
    include_directories_public(${ua_architecture_directories_to_include}
                               "${PROJECT_SOURCE_DIR}/include"
                               "${PROJECT_SOURCE_DIR}/plugins/include"
                               "${PROJECT_SOURCE_DIR}/deps"
                               "${PROJECT_SOURCE_DIR}/src/pubsub"
                               "${PROJECT_BINARY_DIR}/src_generated")

    # Private includes
    include_directories_private("${PROJECT_BINARY_DIR}")

    if(UA_ENABLE_ENCRYPTION)
        include_directories_private(${MBEDTLS_INCLUDE_DIRS})
    endif()

    # Option-specific includes
    if(UA_ENABLE_DISCOVERY)
        include_directories_private("${PROJECT_SOURCE_DIR}/src/client")
    endif()

endif()

# Ensure that the open62541::open62541 alias can be used inside open62541's build
add_library(open62541::open62541 ALIAS open62541)

# Export Symbols
target_compile_definitions(open62541-object PRIVATE -DUA_DYNAMIC_LINKING_EXPORT)
target_compile_definitions(open62541 PRIVATE -DUA_DYNAMIC_LINKING_EXPORT)
if (UA_ENABLE_DISCOVERY_MULTICAST)
    target_compile_definitions(open62541-object PRIVATE -DMDNSD_DYNAMIC_LINKING_EXPORT)
    target_compile_definitions(open62541 PRIVATE -DMDNSD_DYNAMIC_LINKING_EXPORT)
endif()
# Generate properly versioned shared library links on Linux
SET_TARGET_PROPERTIES(open62541 PROPERTIES SOVERSION 0 VERSION "${OPEN62541_VER_MAJOR}.${OPEN62541_VER_MINOR}.${OPEN62541_VER_PATCH}")

##################################
#     Architectures changes      #
##################################

GET_PROPERTY(ua_architecture_add_definitions GLOBAL PROPERTY UA_ARCHITECTURE_ADD_DEFINITIONS)
add_definitions(${ua_architecture_add_definitions})

GET_PROPERTY(ua_architecture_remove_definitions GLOBAL PROPERTY UA_ARCHITECTURE_REMOVE_DEFINITIONS)
if (NOT "${ua_architecture_remove_definitions}" STREQUAL "")
  string(REPLACE " " ";" ua_architecture_remove_definitions_list ${ua_architecture_remove_definitions})
  remove_definitions(${ua_architecture_remove_definitions_list})
endif(NOT "${ua_architecture_remove_definitions}" STREQUAL "")

GET_PROPERTY(ua_architecture_append_to_library GLOBAL PROPERTY UA_ARCHITECTURE_APPEND_TO_LIBRARY)
list(APPEND open62541_LIBRARIES ${ua_architecture_append_to_library})

target_compile_definitions(open62541 PUBLIC UA_ARCHITECTURE_${UA_ARCHITECTURE_UPPER})

# DLL requires linking to dependencies
target_link_libraries(open62541 ${open62541_LIBRARIES})

##########################
# Build Selected Targets #
##########################

# always include, builds with make doc
add_subdirectory(doc)

if(UA_BUILD_EXAMPLES)
    if(UA_ENABLE_AMALGAMATION)
        # Cannot compile tests with amalgamation. Not prepared for single header include
        message(FATAL_ERROR "Examples cannot be built with source amalgamation enabled")
    endif()
    add_subdirectory(examples)
endif()

if(UA_BUILD_UNIT_TESTS)
    if(UA_ENABLE_AMALGAMATION)
        # Cannot compile tests with amalgamation. Amalgamation uses the default plugins, not the testing plugins
        message(FATAL_ERROR "Unit tests cannot be generated with source amalgamation enabled")
    endif()
    enable_testing()
    add_subdirectory(tests)
endif()

if(UA_BUILD_FUZZING OR UA_BUILD_OSS_FUZZ OR UA_BUILD_FUZZING_CORPUS)
    add_subdirectory(tests/fuzz)
endif()

if(UA_BUILD_TOOLS)
    if(UA_ENABLE_JSON_ENCODING)
        add_subdirectory(tools/ua2json)
    endif()
endif()

########################
# Linting as target    #
########################
include(linting_target)

##########################
# Installation           #
##########################
# invoke via `make install`
# specify install location with `-DCMAKE_INSTALL_PREFIX=xyz`
# Enable shared library with `-DBUILD_SHARED_LIBS=ON`

set(cmake_configfile_install ${CMAKE_INSTALL_LIBDIR}/cmake/open62541)
set(open62541_install_tools_dir share/open62541/tools)
set(open62541_install_nodeset_dir share/open62541/tools/ua-nodeset)

# This list of components allows to define a find_package requirement.
# E.g.:
# find_package(open62541 1.0.0 REQUIRED COMPONENTS Events Methods FullNamespace)
set(open62541_enabled_components "")
if(UA_NAMESPACE_ZERO STREQUAL "FULL")
    list(APPEND open62541_enabled_components "FullNamespace")
endif()
if(UA_ENABLE_METHODCALLS)
    list(APPEND open62541_enabled_components "Methods")
endif()
if(UA_ENABLE_SUBSCRIPTIONS)
    list(APPEND open62541_enabled_components "Subscriptions")
endif()
if(UA_ENABLE_PUBSUB)
    list(APPEND open62541_enabled_components "PubSub")
endif()
if(UA_ENABLE_ENCRYPTION)
    list(APPEND open62541_enabled_components "Encryption")
endif()
if(UA_ENABLE_AMALGAMATION)
    list(APPEND open62541_enabled_components "Amalgamation")
endif()
if(UA_ENABLE_HISTORIZING)
    list(APPEND open62541_enabled_components "Historizing")
endif()
if(UA_ENABLE_EXPERIMENTAL_HISTORIZING)
    list(APPEND open62541_enabled_components "ExperimentalHistorizing")
endif()
if(UA_ENABLE_SUBSCRIPTIONS_EVENTS)
    list(APPEND open62541_enabled_components "Events")
endif()
if(UA_ENABLE_MULTITHREADING)
    list(APPEND open62541_enabled_components "Multithreading")
endif()
if(UA_ENABLE_DISCOVERY)
    list(APPEND open62541_enabled_components "Discovery")
endif()
if(UA_ENABLE_DISCOVERY_MULTICAST)
    list(APPEND open62541_enabled_components "DiscoveryMulticast")
endif()

# export library (either static or shared depending on BUILD_SHARED_LIBS)
install(TARGETS open62541
        EXPORT open62541Targets
        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
        RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}
        INCLUDES DESTINATION include)

if(UA_ENABLE_AMALGAMATION)
# Our default way of installation is the non-amalgamated version.
# See also https://github.com/open62541/open62541/pull/2292#discussion_r241106424
install(CODE "MESSAGE(WARNING \"Installation with UA_ENABLE_AMALGAMATION=ON is not recommended.\")")
endif()

include(CMakePackageConfigHelpers)
configure_package_config_file("${CMAKE_CURRENT_SOURCE_DIR}/tools/cmake/open62541Config.cmake.in"
                              "${CMAKE_CURRENT_BINARY_DIR}/open62541Config.cmake"
                              INSTALL_DESTINATION "${cmake_configfile_install}"
                              PATH_VARS open62541_install_tools_dir
                                        open62541_install_nodeset_dir
                                        open62541_enabled_components
                              )

set(open62541_VERSION)
get_target_property(open62541_VERSION open62541 VERSION)

write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/open62541ConfigVersion.cmake"
                                 VERSION ${open62541_VERSION}
                                 COMPATIBILITY AnyNewerVersion)

install(EXPORT open62541Targets
        FILE open62541Targets.cmake
        DESTINATION "${cmake_configfile_install}"
        NAMESPACE open62541::)

export(
    TARGETS open62541
    NAMESPACE open62541::
    FILE ${CMAKE_CURRENT_BINARY_DIR}/open62541Targets.cmake
)

configure_file("${CMAKE_CURRENT_SOURCE_DIR}/tools/cmake/macros_public.cmake" "${CMAKE_CURRENT_BINARY_DIR}/open62541Macros.cmake" COPYONLY)

install(FILES "${CMAKE_CURRENT_BINARY_DIR}/open62541Config.cmake"
              "${CMAKE_CURRENT_BINARY_DIR}/open62541ConfigVersion.cmake"
              "${CMAKE_CURRENT_BINARY_DIR}/open62541Macros.cmake"
        DESTINATION "${cmake_configfile_install}")

if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
    install(FILES "${PROJECT_BINARY_DIR}/src_generated/open62541.pc"
            DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
endif()

set(UA_install_tools_dirs "tools/certs"
    "tools/nodeset_compiler"
    "tools/schema"
    "deps/ua-nodeset")

set(UA_install_tools_files "tools/generate_datatypes.py"
    "tools/generate_nodeid_header.py"
    "tools/generate_statuscode_descriptions.py")

install(DIRECTORY ${UA_install_tools_dirs} 
    DESTINATION ${open62541_install_tools_dir} 
    USE_SOURCE_PERMISSIONS
    FILES_MATCHING
    PATTERN "*"
    PATTERN "*.pyc" EXCLUDE
    )

install(FILES ${UA_install_tools_files} DESTINATION ${open62541_install_tools_dir})

if(NOT UA_ENABLE_AMALGAMATION)
    # Recreate the include folder structure from the source also in /usr/lib/include/open62541

    set(FILES_TO_INSTALL
        ${exported_headers}
        ${default_plugin_headers}
        ${ua_architecture_headers})

    set(BASE_PATH_MAIN "${PROJECT_SOURCE_DIR}/include/open62541")
    set(BASE_PATH_PLUGINS "${PROJECT_SOURCE_DIR}/plugins/include/open62541")
    set(BASE_PATH_ARCH "${PROJECT_SOURCE_DIR}/arch")
    set(BASE_PATH_GENERATED "${PROJECT_BINARY_DIR}/src_generated/open62541")
    set(BASE_PATH_DEPS "${PROJECT_SOURCE_DIR}/deps")

    foreach ( file ${FILES_TO_INSTALL} )
        # Construct a relative path by replacing any occurence of the absolute path
        set(full_path ${file})
        string(REPLACE ${BASE_PATH_MAIN} "" file ${file})
        string(REPLACE ${BASE_PATH_PLUGINS} "" file ${file})
        string(REPLACE ${BASE_PATH_ARCH} "" file ${file})
        string(REPLACE ${BASE_PATH_GENERATED} "" file ${file})
        string(REPLACE ${BASE_PATH_DEPS} "" file ${file})

        get_filename_component( dir ${file} DIRECTORY )
        install( FILES ${full_path} DESTINATION include/open62541${dir} )
    endforeach()

else()
    # Export amalgamated header open62541.h which is generated due to build of 
    # open62541-object
    install(FILES ${PROJECT_BINARY_DIR}/open62541.h DESTINATION include)
endif()

add_subdirectory(tools/packaging)

##################################
# Visual studio solution folders #
##################################

set_property(GLOBAL PROPERTY USE_FOLDERS ON)
set_property(GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER "_CmakePredifinedTargets")

set_target_properties(open62541 PROPERTIES FOLDER "open62541/lib")
set_target_properties(open62541-object PROPERTIES FOLDER "open62541/lib")
if (UA_ENABLE_AMALGAMATION)
    set_target_properties(open62541-amalgamation-header PROPERTIES FOLDER "open62541/lib")
    set_target_properties(open62541-amalgamation-source PROPERTIES FOLDER "open62541/lib")
endif()

set_target_properties(open62541-generator-namespace PROPERTIES FOLDER "open62541/generators")
set_target_properties(open62541-generator-statuscode PROPERTIES FOLDER "open62541/generators")
set_target_properties(open62541-generator-transport PROPERTIES FOLDER "open62541/generators")
set_target_properties(open62541-generator-types PROPERTIES FOLDER "open62541/generators")