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CMakeLists.txt
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# Copyright (c) 2007-2017 Hartmut Kaiser
# Copyright (c) 2011-2014 Thomas Heller
# Copyright (c) 2007-2008 Chirag Dekate
# Copyright (c) 2011 Bryce Lelbach
# Copyright (c) 2011 Vinay C Amatya
# Copyright (c) 2013 Jeroen Habraken
# Copyright (c) 2014-2016 Andreas Schaefer
# Copyright (c) 2017 Abhimanyu Rawat
# Copyright (c) 2017 Google
# Copyright (c) 2017 Taeguk Kwon
#
# Distributed under the Boost Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
# We require at least CMake V3.3.2
cmake_minimum_required(VERSION 3.3.2 FATAL_ERROR)
# explicitly set certain policies
cmake_policy(VERSION 3.3.2)
macro(hpx_set_cmake_policy policy value)
if(POLICY ${policy})
cmake_policy(SET ${policy} ${value})
endif()
endmacro()
hpx_set_cmake_policy(CMP0042 NEW)
hpx_set_cmake_policy(CMP0054 OLD)
hpx_set_cmake_policy(CMP0060 NEW)
# Overrides must go before the project() statement, otherwise they are ignored.
################################################################################
# C++ overrides
################################################################################
set(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/HPX_CXXOverrides.cmake")
################################################################################
# Fortran overrides
################################################################################
set(CMAKE_USER_MAKE_RULES_OVERRIDE_Fortran
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/HPX_FortranOverrides.cmake")
################################################################################
# Build type (needs to be handled before project command below)
################################################################################
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Configuration type (one of Debug, RelWithDebInfo, Release, MinSizeRel)" FORCE)
endif()
################################################################################
# project metadata
################################################################################
project(HPX CXX C)
set(HPX_MAJOR_VERSION 1)
set(HPX_MINOR_VERSION 1)
set(HPX_PATCH_LEVEL 0)
set(HPX_VERSION "${HPX_MAJOR_VERSION}.${HPX_MINOR_VERSION}.${HPX_PATCH_LEVEL}")
set(HPX_LIBRARY_VERSION "${HPX_VERSION}")
set(HPX_SOVERSION ${HPX_MAJOR_VERSION})
set(HPX_PACKAGE_NAME HPX)
if(MSVC)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
endif()
################################################################################
# CMake configuration
################################################################################
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake")
# We safe the passed compiler flag to a special variable. This is needed for our
# build system unit tests. Some flags might influence the created symbols (
# _GLIBCXX_DEBUG i look at you)
set(CMAKE_CXX_FLAGS_SAFE ${CMAKE_CXX_FLAGS})
include(CheckCXXCompilerFlag)
include(CMakeDependentOption)
# include additional macro definitions
include(HPX_Utils)
include(HPX_ExportTargets)
include(HPX_Libraries)
include(HPX_LibraryDir)
include(HPX_AddConfigTest)
include(HPX_AddDefinitions)
include(HPX_CreateSymbolicLink)
hpx_force_out_of_tree_build("This project requires an out-of-source-tree build. See README.rst. Clean your CMake cache and CMakeFiles if this message persists.")
if(NOT HPX_CMAKE_LOGLEVEL)
set(HPX_CMAKE_LOGLEVEL "WARN")
endif()
# print initial diagnostics
hpx_info("CMake version: " ${CMAKE_VERSION})
hpx_info("HPX version: " ${HPX_VERSION})
################################################################################
# Fortran compiler detection
#
hpx_option(HPX_WITH_FORTRAN
BOOL
"Enable or disable the compilation of Fortran examples using HPX"
OFF ADVANCED)
if (HPX_WITH_FORTRAN)
include(HPX_FortranCompiler)
endif()
################################################################################
################################################################################
# Setup platform for which HPX should be compiled for.
#
include(HPX_SetPlatform)
if("${HPX_PLATFORM_UC}" STREQUAL "ANDROID")
unset(HPX_LIBRARY_VERSION)
unset(HPX_SOVERSION)
endif()
# Adjust a couple of build-system settings, if HPX is to be built using vcpkg
if(MSVC)
set(_with_vcpkg_default OFF)
if(VCPKG_TOOLCHAIN)
set(_with_vcpkg_default ON)
endif()
hpx_option(HPX_WITH_VCPKG BOOL
"Build HPX in the context of the vcpkg build and configuration tool (default: OFF)."
${_with_vcpkg_default} ADVANCED)
if(HPX_WITH_VCPKG)
hpx_add_config_define(HPX_HAVE_VCPKG)
endif()
hpx_option(HPX_WITH_VS_STARTUP_PROJECT STRING
"Define the startup project for the HPX solution (default: ALL_BUILD)."
"ALL_BUILD" ADVANCED)
if(HPX_WITH_VS_STARTUP_PROJECT)
set(VS_STARTUP_PROJECT ${HPX_WITH_VS_STARTUP_PROJECT})
endif()
endif()
################################################################################
################################################################################
# Set our build options cache variables which are customizable by users
#
hpx_option(HPX_WITH_DEPRECATION_WARNINGS
BOOL "Enable warnings for deprecated facilities. (default: ON)"
ON ADVANCED)
if(HPX_WITH_DEPRECATION_WARNINGS)
hpx_add_config_define(HPX_HAVE_DEPRECATION_WARNINGS)
endif()
## Generic build options
set(DEFAULT_MALLOC "system")
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
set(DEFAULT_MALLOC "tcmalloc")
# set(DEFAULT_MALLOC "jemalloc")
endif()
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
set(HPX_WITH_STACKOVERFLOW_DETECTION_DEFAULT OFF)
string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UC)
if("${CMAKE_BUILD_TYPE_UC}" STREQUAL "DEBUG")
set(HPX_WITH_STACKOVERFLOW_DETECTION_DEFAULT ON)
endif()
hpx_option(HPX_WITH_STACKOVERFLOW_DETECTION
BOOL
"Enable stackoverflow detection for HPX threads/coroutines. (default: OFF, debug: ON)"
${HPX_WITH_STACKOVERFLOW_DETECTION_DEFAULT} ADVANCED)
if(HPX_WITH_STACKOVERFLOW_DETECTION)
hpx_add_config_define(HPX_HAVE_STACKOVERFLOW_DETECTION)
endif()
endif()
hpx_option(HPX_WITH_MALLOC
STRING
"Define which allocator should be linked in. Options are: system, tcmalloc, jemalloc, tbbmalloc, and custom (default is: tcmalloc)"
${DEFAULT_MALLOC}
STRINGS "system;tcmalloc;jemalloc;tbbmalloc;custom")
hpx_option(HPX_WITH_HWLOC
BOOL
"Use Hwloc for hardware topology information and thread pinning. If disabled, performance might be reduced."
ON ADVANCED)
# Logging configuration
hpx_option(HPX_WITH_LOGGING BOOL
"Build HPX with logging enabled (default: ON)."
ON ADVANCED)
if(HPX_WITH_LOGGING)
hpx_add_config_define(HPX_HAVE_LOGGING)
endif()
## Compiler related build options
hpx_option(HPX_WITH_GCC_VERSION_CHECK BOOL
"Don't ignore version reported by gcc (default: ON)"
ON ADVANCED)
hpx_option(HPX_WITH_DEFAULT_TARGETS BOOL
"Associate the core HPX library with the default build target (default: ON)."
ON ADVANCED CATEGORY "Build Targets")
hpx_option(HPX_WITH_COMPILER_WARNINGS BOOL
"Enable compiler warnings (default: ON)"
ON ADVANCED)
hpx_option(HPX_WITH_DOCUMENTATION BOOL
"Build the HPX documentation (default OFF)."
OFF CATEGORY "Build Targets")
hpx_option(HPX_WITH_DOCUMENTATION_SINGLEPAGE BOOL
"The HPX documentation should be built as a single page HTML (default OFF)."
OFF CATEGORY "Build Targets")
if(MSVC)
hpx_option(HPX_WITH_PSEUDO_DEPENDENCIES BOOL
"Force creating pseudo targets and pseudo dependencies (default OFF)."
OFF CATEGORY "Build Targets")
else()
hpx_option(HPX_WITH_PSEUDO_DEPENDENCIES BOOL
"Force creating pseudo targets and pseudo dependencies (default ON)."
ON CATEGORY "Build Targets")
endif()
################################################################################
# Some platforms do not support dynamic linking. Enable this to link all
# libraries statically. This also changes some of the internals of HPX related
# to how components are loaded.
################################################################################
hpx_option(HPX_WITH_STATIC_LINKING BOOL
"Compile HPX statically linked libraries (Default: OFF)" OFF ADVANCED)
if(HPX_WITH_STATIC_LINKING)
hpx_add_config_define(HPX_HAVE_STATIC_LINKING)
set(hpx_library_link_mode STATIC)
set(CMAKE_SHARED_LIBS OFF)
set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
hpx_option(HPX_WITH_STATIC_EXE_LINKING BOOL
"Compile HPX statically linked executables (Default: OFF)" OFF ADVANCED)
if(HPX_WITH_STATIC_EXE_LINKING)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
endif()
endif()
else()
set(hpx_library_link_mode SHARED)
endif()
################################################################################
hpx_option(HPX_WITH_EXAMPLES BOOL "Build the HPX examples (default ON)" ON CATEGORY "Build Targets")
hpx_option(HPX_WITH_TESTS BOOL "Build the HPX tests (default ON)" ON CATEGORY "Build Targets")
hpx_option(HPX_WITH_TESTS_BENCHMARKS BOOL "Build HPX benchmark tests (default: ON)" ON ADVANCED CATEGORY "Build Targets")
hpx_option(HPX_WITH_TESTS_REGRESSIONS BOOL "Build HPX regression tests (default: ON)" ON ADVANCED CATEGORY "Build Targets")
hpx_option(HPX_WITH_TESTS_UNIT BOOL "Build HPX unit tests (default: ON)" ON ADVANCED CATEGORY "Build Targets")
hpx_option(HPX_WITH_TESTS_HEADERS BOOL "Build HPX header tests (default: OFF)" OFF ADVANCED CATEGORY "Build Targets")
hpx_option(HPX_WITH_TESTS_EXTERNAL_BUILD BOOL "Build external cmake build tests (default: ON)" ON ADVANCED CATEGORY "Build Targets")
hpx_option(HPX_WITH_TOOLS BOOL "Build HPX tools (default: OFF)" OFF ADVANCED CATEGORY "Build Targets")
hpx_option(HPX_WITH_RUNTIME BOOL "Build HPX runtime (default: ON)" ON ADVANCED CATEGORY "Build Targets")
hpx_option(HPX_WITH_COMPILE_ONLY_TESTS BOOL
"Create build system support for compile time only HPX tests (default ON)"
ON CATEGORY "Build Targets")
# Enable IO-counters on linux systems only
set(HPX_WITH_IO_COUNTERS_DEFAULT OFF)
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
set(HPX_WITH_IO_COUNTERS_DEFAULT ON)
endif()
hpx_option(HPX_WITH_IO_COUNTERS BOOL
"Build HPX runtime (default: ${HPX_WITH_IO_COUNTERS_DEFAULT})"
${HPX_WITH_IO_COUNTERS_DEFAULT} ADVANCED CATEGORY "Build Targets")
if(HPX_WITH_IO_COUNTERS)
hpx_add_config_define(HPX_HAVE_IO_COUNTERS)
endif()
set(HPX_FULL_RPATH_DEFAULT ON)
if(APPLE OR WIN32)
set(HPX_FULL_RPATH_DEFAULT OFF)
endif()
hpx_option(HPX_WITH_FULL_RPATH BOOL
"Build and link HPX libraries and executables with full RPATHs (default: ${HPX_FULL_RPATH_DEFAULT})"
${HPX_FULL_RPATH_DEFAULT} ADVANCED)
################################################################################
# HPX Compute configuration
################################################################################
hpx_option(HPX_WITH_CUDA BOOL
"Enable CUDA support (default: OFF)" OFF ADVANCED)
hpx_option(HPX_WITH_CUDA_CLANG BOOL
"Use clang to compile CUDA code (default: OFF)" OFF ADVANCED)
if(HPX_WITH_CUDA)
find_package(CUDA REQUIRED)
set(HPX_WITH_COMPUTE On)
hpx_add_config_define(HPX_HAVE_CUDA)
hpx_add_config_define(HPX_HAVE_COMPUTE)
if(NOT HPX_WITH_CUDA_ARCH)
hpx_info("HPX_WITH_CUDA_ARCH has not been defined, default value is sm_20")
set(HPX_WITH_CUDA_ARCH sm_20)
endif()
foreach(arch ${HPX_WITH_CUDA_ARCH})
string(REGEX MATCHALL "sm_[0-9][0-9]" arch ${arch})
if(NOT arch)
hpx_error("Each architecture defined in HPX_WITH_CUDA_ARCH should be a list of items, each of the form sm_XX")
endif()
string(APPEND HPX_CUDA_CLANG_FLAGS " --cuda-gpu-arch=${arch}")
endforeach()
string(REGEX REPLACE ";" " " HPX_WITH_CUDA_ARCH_INFO "${HPX_WITH_CUDA_ARCH}")
else()
set(HPX_TLL_PUBLIC "PUBLIC") # keywords for target_link_libraries
set(HPX_TLL_PRIVATE "PRIVATE")
endif()
if(HPX_WITH_CUDA_CLANG AND NOT (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
hpx_error("To use Cuda Clang, please select Clang as your default C++ compiler")
endif()
hpx_option(HPX_WITH_HCC BOOL
"Enable hcc support (default: OFF)" OFF ADVANCED)
hpx_option(HPX_WITH_SYCL BOOL
"Enable sycl support (default: OFF)" OFF ADVANCED)
################################################################################
# HPX datapar configuration
################################################################################
hpx_option(HPX_WITH_DATAPAR_VC BOOL
"Enable data parallel algorithm support using the external Vc library (default: OFF)" OFF ADVANCED)
if(HPX_WITH_DATAPAR_VC)
hpx_option(HPX_WITH_DATAPAR_VC_NO_LIBRARY BOOL
"Don't link with the Vc static library (default: OFF)" OFF ADVANCED)
endif()
hpx_option(HPX_WITH_DATAPAR_BOOST_SIMD BOOL
"Enable data parallel algorithm support using the external Boost.SIMD library (default: OFF)" OFF ADVANCED)
if(HPX_WITH_DATAPAR_VC AND HPX_WITH_DATAPAR_BOOST_SIMD)
hpx_error("Please select only one of the supported external vectorization libraries (HPX_WITH_DATAPAR_VC or HPX_WITH_DATAPAR_BOOST_SIMD)")
endif()
if(HPX_WITH_DATAPAR_VC)
include(HPX_SetupVc)
endif()
if(HPX_WITH_DATAPAR_BOOST_SIMD)
include(HPX_SetupBoostSIMD)
endif()
if((NOT HPX_WITH_DATAPAR_VC) AND (NOT HPX_WITH_DATAPAR_BOOST_SIMD))
hpx_info("No vectorization library configured")
else()
set(HPX_WITH_DATAPAR ON)
endif()
################################################################################
# Native TLS configuration
################################################################################
set(HPX_WITH_NATIVE_TLS_DEFAULT ON)
if(APPLE)
set(HPX_WITH_NATIVE_TLS_DEFAULT ${HPX_WITH_CXX11_THREAD_LOCAL})
endif()
hpx_option(HPX_WITH_NATIVE_TLS BOOL
"Use native TLS support if available (default: ${HPX_WITH_NATIVE_TLS_DEFAULT})"
${HPX_WITH_NATIVE_TLS_DEFAULT} ADVANCED)
if(HPX_WITH_NATIVE_TLS)
hpx_info("Native TLS is enabled.")
hpx_add_config_define(HPX_HAVE_NATIVE_TLS)
else()
hpx_info("Native TLS is disabled.")
endif()
################################################################################
# Threadlevel Nice option
################################################################################
hpx_option(HPX_WITH_NICE_THREADLEVEL BOOL
"Set HPX worker threads to have high NICE level (may impact performance) (default: OFF)"
OFF ADVANCED)
if(HPX_WITH_NICE_THREADLEVEL)
hpx_info("Nice threadlevel is enabled.")
hpx_add_config_define(HPX_HAVE_NICE_THREADLEVEL)
else()
hpx_info("Nice threadlevel is disabled.")
endif()
################################################################################
# Utility configuration
################################################################################
set(HPX_HIDDEN_VISIBILITY_DEFAULT ON)
if(CMAKE_COMPILER_IS_GNUCXX)
if("${HPX_PLATFORM_UC}" STREQUAL "ANDROID")
set(HPX_HIDDEN_VISIBILITY_DEFAULT OFF)
endif()
endif()
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(HPX_HIDDEN_VISIBILITY_DEFAULT OFF)
endif()
if(APPLE)
set(HPX_HIDDEN_VISIBILITY_DEFAULT OFF)
endif()
hpx_option(HPX_WITH_HIDDEN_VISIBILITY BOOL
"Use -fvisibility=hidden for builds on platforms which support it (default ${HPX_HIDDEN_VISIBILITY_DEFAULT})"
${HPX_HIDDEN_VISIBILITY_DEFAULT}
ADVANCED)
hpx_option(HPX_WITH_AUTOMATIC_SERIALIZATION_REGISTRATION BOOL
"Use automatic serialization registration for actions and functions. This affects compatibility between HPX applications compiled with different compilers (default ON)"
ON
ADVANCED)
if(HPX_WITH_AUTOMATIC_SERIALIZATION_REGISTRATION)
hpx_add_config_define(HPX_HAVE_AUTOMATIC_SERIALIZATION_REGISTRATION)
endif()
hpx_option(HPX_WITH_ZERO_COPY_SERIALIZATION_THRESHOLD STRING
"The threshhold in bytes to when perform zero copy optimizations (default: 128)"
"128"
ADVANCED)
hpx_add_config_define(HPX_ZERO_COPY_SERIALIZATION_THRESHOLD ${HPX_WITH_ZERO_COPY_SERIALIZATION_THRESHOLD})
hpx_option(HPX_WITH_DISABLED_SIGNAL_EXCEPTION_HANDLERS BOOL
"Disables the mechanism that produces debug output for caught signals and unhandled exceptions (default: OFF)"
OFF
ADVANCED)
if(HPX_WITH_DISABLED_SIGNAL_EXCEPTION_HANDLERS)
hpx_add_config_define(HPX_HAVE_DISABLED_SIGNAL_EXCEPTION_HANDLERS)
endif()
## Thread Manager related build options
set(HPX_MAX_CPU_COUNT_DEFAULT "64")
hpx_option(HPX_WITH_MAX_CPU_COUNT STRING
"HPX applications will not use more that this number of OS-Threads (default: ${HPX_MAX_CPU_COUNT_DEFAULT})"
${HPX_MAX_CPU_COUNT_DEFAULT}
CATEGORY "Thread Manager" ADVANCED)
hpx_add_config_define(HPX_HAVE_MAX_CPU_COUNT ${HPX_WITH_MAX_CPU_COUNT})
set(HPX_MORE_THAN_64_THREADS_DEFAULT OFF)
if(HPX_WITH_MAX_CPU_COUNT GREATER 65)
set(HPX_MORE_THAN_64_THREADS_DEFAULT ON)
endif()
hpx_option(HPX_WITH_MORE_THAN_64_THREADS BOOL
"HPX applications will be able to run on more than 64 cores (default: ${HPX_MORE_THAN_64_THREADS_DEFAULT})"
${HPX_MORE_THAN_64_THREADS_DEFAULT}
CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_MORE_THAN_64_THREADS)
hpx_add_config_define(HPX_HAVE_MORE_THAN_64_THREADS)
endif()
hpx_option(HPX_WITH_THREAD_STACK_MMAP BOOL
"Use mmap for stack allocation on appropriate platforms"
ON
CATEGORY "Thread Manager" ADVANCED)
hpx_option(HPX_WITH_THREAD_MANAGER_IDLE_BACKOFF BOOL
"HPX scheduler threads are backing off on idle queues (default: ON)"
ON
CATEGORY "Thread Manager" ADVANCED)
hpx_option(HPX_WITH_STACKTRACES BOOL
"Attach backtraces to HPX exceptions (default: ON)"
ON
CATEGORY "Thread Manager" ADVANCED)
hpx_option(HPX_WITH_THREAD_BACKTRACE_ON_SUSPENSION BOOL
"Enable thread stack back trace being captured on suspension (default: OFF)"
OFF
CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_STACKTRACES OR HPX_WITH_THREAD_BACKTRACE_ON_SUSPENSION)
hpx_info("Stack traces are enabled.")
hpx_add_config_define(HPX_HAVE_STACKTRACES)
if(WIN32)
hpx_libraries(dbghelp)
endif()
hpx_option(HPX_WITH_THREAD_BACKTRACE_DEPTH STRING
"Thread stack back trace depth being captured (default: 5)"
"5"
CATEGORY "Thread Manager" ADVANCED)
hpx_add_config_define(HPX_HAVE_THREAD_BACKTRACE_DEPTH
${HPX_WITH_THREAD_BACKTRACE_DEPTH})
endif()
if(HPX_WITH_THREAD_BACKTRACE_ON_SUSPENSION)
hpx_add_config_define(HPX_HAVE_THREAD_BACKTRACE_ON_SUSPENSION)
hpx_option(HPX_WITH_THREAD_FULLBACKTRACE_ON_SUSPENSION BOOL
"Enable thread stack back trace being captured on suspension (default: OFF)"
OFF
CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_THREAD_FULLBACKTRACE_ON_SUSPENSION)
hpx_add_config_define(HPX_HAVE_THREAD_FULLBAKCTRACE_ON_SUSPENSION)
endif()
endif()
hpx_option(HPX_WITH_THREAD_TARGET_ADDRESS BOOL
"Enable storing target address in thread for NUMA awareness (default: OFF)"
OFF CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_THREAD_TARGET_ADDRESS)
hpx_add_config_define(HPX_HAVE_THREAD_TARGET_ADDRESS)
endif()
hpx_option(HPX_WITH_THREAD_QUEUE_WAITTIME BOOL
"Enable collecting queue wait times for threads (default: OFF)"
OFF CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_THREAD_QUEUE_WAITTIME)
hpx_add_config_define(HPX_HAVE_THREAD_QUEUE_WAITTIME)
endif()
hpx_option(HPX_WITH_THREAD_IDLE_RATES BOOL
"Enable measuring the percentage of overhead times spent in the scheduler (default: OFF)"
OFF CATEGORY "Thread Manager" ADVANCED)
hpx_option(HPX_WITH_THREAD_CREATION_AND_CLEANUP_RATES BOOL
"Enable measuring thread creation and cleanup times (default: OFF)"
OFF CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_THREAD_IDLE_RATES)
hpx_add_config_define(HPX_HAVE_THREAD_IDLE_RATES)
if(HPX_WITH_THREAD_CREATION_AND_CLEANUP_RATES)
hpx_add_config_define(HPX_HAVE_THREAD_CREATION_AND_CLEANUP_RATES)
endif()
endif()
hpx_option(HPX_WITH_THREAD_CUMULATIVE_COUNTS BOOL
"Enable keeping track of cumulative thread counts in the schedulers (default: ON)"
ON CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_THREAD_CUMULATIVE_COUNTS)
hpx_add_config_define(HPX_HAVE_THREAD_CUMULATIVE_COUNTS)
endif()
hpx_option(HPX_WITH_THREAD_STEALING_COUNTS BOOL
"Enable keeping track of counts of thread stealing incidents in the schedulers (default: ON)"
ON CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_THREAD_STEALING_COUNTS)
hpx_add_config_define(HPX_HAVE_THREAD_STEALING_COUNTS)
endif()
hpx_option(HPX_WITH_THREAD_LOCAL_STORAGE BOOL
"Enable thread local storage for all HPX threads (default: OFF)"
OFF CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_THREAD_LOCAL_STORAGE)
hpx_add_config_define(HPX_HAVE_THREAD_LOCAL_STORAGE)
endif()
hpx_option(HPX_WITH_SCHEDULER_LOCAL_STORAGE BOOL
"Enable scheduler local storage for all HPX schedulers (default: OFF)"
OFF CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_SCHEDULER_LOCAL_STORAGE)
hpx_add_config_define(HPX_HAVE_SCHEDULER_LOCAL_STORAGE)
endif()
# Count number of terminated threads before forcefully cleaning up all of
# them. Note: terminated threads are cleaned up either when this number is
# reached for a particular thread queue or if the HPX_BUSY_LOOP_COUNT_MAX is
# reached, which will clean up the terminated threads for _all_ thread queues.
hpx_option(HPX_SCHEDULER_MAX_TERMINATED_THREADS STRING
"Maximum number of terminated threads collected before those are cleaned up (default: 100)"
"100" CATEGORY "Thread Manager" ADVANCED)
hpx_add_config_define(HPX_SCHEDULER_MAX_TERMINATED_THREADS
${HPX_SCHEDULER_MAX_TERMINATED_THREADS})
hpx_option(HPX_WITH_SWAP_CONTEXT_EMULATION BOOL
"Emulate SwapContext API for coroutines (default: OFF)"
OFF CATEGORY "Thread Manager" ADVANCED)
hpx_option(HPX_WITH_SPINLOCK_DEADLOCK_DETECTION BOOL
"Enable spinlock deadlock detection (default: OFF)"
OFF CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_SPINLOCK_DEADLOCK_DETECTION)
hpx_add_config_define(HPX_HAVE_SPINLOCK_DEADLOCK_DETECTION)
endif()
## Profiling related build options
hpx_option(HPX_WITH_APEX BOOL
"Enable APEX instrumentation support." OFF CATEGORY "Profiling")
if(HPX_WITH_APEX)
hpx_add_config_define(HPX_HAVE_APEX) # tell HPX that we use APEX
hpx_add_config_define(APEX_HAVE_HPX) # tell APEX that we use HPX
hpx_option(HPX_WITH_APEX_NO_UPDATE BOOL
"Do not update code from remote APEX repository." OFF CATEGORY "Profiling")
endif()
hpx_option(HPX_WITH_PAPI BOOL
"Enable the PAPI based performance counter." OFF CATEGORY "Profiling")
if(HPX_WITH_PAPI)
hpx_add_config_define(HPX_HAVE_PAPI)
endif()
hpx_option(HPX_WITH_GOOGLE_PERFTOOLS BOOL
"Enable Google Perftools instrumentation support." OFF CATEGORY "Profiling")
if(HPX_WITH_GOOGLE_PERFTOOLS)
hpx_add_config_define(HPX_HAVE_GOOGLE_PERFTOOLS)
endif()
hpx_option(HPX_WITH_ITTNOTIFY BOOL
"Enable Amplifier (ITT) instrumentation support." OFF CATEGORY "Profiling")
################################################################################
# Scheduler configuration
################################################################################
hpx_option(HPX_WITH_THREAD_SCHEDULERS STRING
"Which thread schedulers are build. Options are: all, abp-priority, local, static-priority, static, hierarchy, and periodic-priority. For multiple enabled schedulers, separate with a semicolon (default: all)"
"all"
CATEGORY "Thread Manager" ADVANCED)
string(TOUPPER ${HPX_WITH_THREAD_SCHEDULERS} HPX_WITH_THREAD_SCHEDULERS_UC)
foreach(_scheduler ${HPX_WITH_THREAD_SCHEDULERS_UC})
if(_scheduler STREQUAL "ALL")
set(_all On)
set(HPX_WITH_ALL_SCHEDULERS ON CACHE INTERNAL "")
endif()
if(_scheduler STREQUAL "ABP-PRIORITY" OR _all)
hpx_add_config_define(HPX_HAVE_ABP_SCHEDULER)
set(HPX_WITH_ABP_SCHEDULER ON CACHE INTERNAL "")
endif()
if(_scheduler STREQUAL "LOCAL" OR _all)
hpx_add_config_define(HPX_HAVE_LOCAL_SCHEDULER)
set(HPX_WITH_LOCAL_SCHEDULER ON CACHE INTERNAL "")
endif()
if(_scheduler STREQUAL "STATIC-PRIORITY" OR _all)
hpx_add_config_define(HPX_HAVE_STATIC_PRIORITY_SCHEDULER)
set(HPX_WITH_STATIC_PRIORITY_SCHEDULER ON CACHE INTERNAL "")
endif()
if(_scheduler STREQUAL "STATIC" OR _all)
hpx_add_config_define(HPX_HAVE_STATIC_SCHEDULER)
set(HPX_WITH_STATIC_SCHEDULER ON CACHE INTERNAL "")
endif()
if(_scheduler STREQUAL "HIERARCHY" OR _all)
hpx_add_config_define(HPX_HAVE_HIERARCHY_SCHEDULER)
set(HPX_WITH_HIERARCHY_SCHEDULER ON CACHE INTERNAL "")
endif()
if(_scheduler STREQUAL "PERIODIC-PRIORITY" OR _all)
hpx_add_config_define(HPX_HAVE_PERIODIC_PRIORITY_SCHEDULER)
set(HPX_WITH_PERIODIC_PRIORITY_SCHEDULER ON CACHE INTERNAL "")
endif()
# The throttling scheduler has not been tested neither on Windows nor on Mac
if(NOT WIN32 AND NOT APPLE)
if(_scheduler STREQUAL "THROTTLLING" OR _all)
hpx_add_config_define(HPX_HAVE_THROTTLING_SCHEDULER)
set(HPX_WITH_THROTTLING_SCHEDULER ON CACHE INTERNAL "")
endif()
endif()
unset(_all)
endforeach()
## Experimental settings
hpx_option(HPX_WITH_IO_POOL BOOL
"Disable internal IO thread pool, do not change if not absolutely necessary (default: ON)"
ON CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_IO_POOL)
hpx_add_config_define(HPX_HAVE_IO_POOL)
endif()
hpx_option(HPX_WITH_TIMER_POOL BOOL
"Disable internal timer thread pool, do not change if not absolutely necessary (default: ON)"
ON CATEGORY "Thread Manager" ADVANCED)
if(HPX_WITH_TIMER_POOL)
hpx_add_config_define(HPX_HAVE_TIMER_POOL)
endif()
## AGAS related build options
hpx_option(HPX_WITH_AGAS_DUMP_REFCNT_ENTRIES BOOL
"Enable dumps of the AGAS refcnt tables to logs (default: OFF)"
OFF CATEGORY "AGAS" ADVANCED)
if(HPX_WITH_AGAS_DUMP_REFCNT_ENTRIES)
hpx_add_config_define(HPX_HAVE_AGAS_DUMP_REFCNT_ENTRIES)
endif()
# Should networking be supported?
hpx_option(HPX_WITH_NETWORKING BOOL
"Enable support for networking and multi-node runs (default: ON)"
ON CATEGORY "Parcelport")
if(HPX_WITH_NETWORKING)
hpx_add_config_define(HPX_HAVE_NETWORKING)
## Parcelport related build options
set(_parcel_profiling_default OFF)
if(HPX_WITH_APEX)
set(_parcel_profiling_default ON)
endif()
hpx_option(HPX_WITH_PARCEL_PROFILING BOOL
"Enable profiling data for parcels"
${_parcel_profiling_default} CATEGORY "Parcelport" ADVANCED)
if(HPX_WITH_PARCEL_PROFILING)
hpx_add_config_define(HPX_HAVE_PARCEL_PROFILING)
endif()
## Parcelport related build options
hpx_option(HPX_WITH_PARCELPORT_LIBFABRIC BOOL
"Enable the libfabric based parcelport. This is currently an experimental feature"
OFF CATEGORY "Parcelport" ADVANCED)
hpx_option(HPX_WITH_PARCELPORT_VERBS BOOL
"Enable the ibverbs based parcelport. This is currently an experimental feature"
OFF CATEGORY "Parcelport" ADVANCED)
hpx_option(HPX_WITH_PARCELPORT_MPI BOOL
"Enable the MPI based parcelport."
OFF CATEGORY "Parcelport")
hpx_option(HPX_WITH_PARCELPORT_TCP BOOL
"Enable the TCP based parcelport."
ON CATEGORY "Parcelport")
hpx_option(HPX_WITH_PARCELPORT_ACTION_COUNTERS BOOL
"Enable performance counters reporting parcelport statistics on a per-action basis."
OFF CATEGORY "Parcelport")
if(HPX_WITH_PARCELPORT_ACTION_COUNTERS)
hpx_add_config_define(HPX_HAVE_PARCELPORT_ACTION_COUNTERS)
endif()
## mpi parcelport settings
hpx_option(HPX_WITH_PARCELPORT_MPI_ENV STRING
"List of environment variables checked to detect MPI (default: MV2_COMM_WORLD_RANK;PMI_RANK;OMPI_COMM_WORLD_SIZE;ALPS_APP_PE)."
"MV2_COMM_WORLD_RANK;PMI_RANK;OMPI_COMM_WORLD_SIZE;ALPS_APP_PE" CATEGORY "Parcelport" ADVANCED)
hpx_option(HPX_WITH_PARCELPORT_MPI_MULTITHREADED BOOL
"Turn on MPI multithreading support (default: ON)."
ON CATEGORY "Parcelport" ADVANCED)
endif()
## External libraries/frameworks used by sme of the examples and benchmarks
hpx_option(HPX_WITH_EXAMPLES_OPENMP BOOL
"Enable examples requiring OpenMP support (default: OFF)." OFF
CATEGORY "Build Targets" ADVANCED)
if(HPX_WITH_EXAMPLES_OPENMP)
find_package(OpenMP)
if(NOT OPENMP_FOUND)
set(HPX_WITH_EXAMPLES_OPENMP OFF)
endif()
endif()
hpx_option(HPX_WITH_EXAMPLES_TBB BOOL
"Enable examples requiring TBB support (default: OFF)." OFF
CATEGORY "Build Targets" ADVANCED)
if(HPX_WITH_EXAMPLES_TBB)
find_package(TBB)
if(NOT TBB_FOUND)
set(HPX_WITH_EXAMPLES_TBB OFF)
endif()
endif()
hpx_option(HPX_WITH_EXAMPLES_QTHREADS BOOL
"Enable examples requiring QThreads support (default: OFF)." OFF
CATEGORY "Build Targets" ADVANCED)
if(HPX_WITH_EXAMPLES_QTHREADS)
find_package(QThreads)
if(NOT QTHREADS_FOUND)
set(HPX_WITH_EXAMPLES_QTHREADS OFF)
endif()
endif()
hpx_option(HPX_WITH_EXAMPLES_HDF5 BOOL
"Enable examples requiring HDF5 support (default: OFF)." OFF
CATEGORY "Build Targets" ADVANCED)
if(HPX_WITH_EXAMPLES_HDF5)
find_package(HDF5 COMPONENTS CXX)
if(NOT HDF5_FOUND)
set(HPX_WITH_EXAMPLES_HDF5 OFF)
endif()
endif()
# Disabling the Qt example on BG/Q as GUIs don't make sense there anyways
if(NOT "${HPX_PLATFORM_UC}" STREQUAL "BLUEGENEQ")
hpx_option(HPX_WITH_EXAMPLES_QT4 BOOL
"Enable examples requiring Qt4 support (default: OFF)." OFF
CATEGORY "Build Targets" ADVANCED)
if(HPX_WITH_EXAMPLES_QT4)
find_package(Qt4)
if(NOT QT4_FOUND)
set(HPX_WITH_EXAMPLES_QT4 OFF)
endif()
endif()
endif()
## Debugging related build options
hpx_option(HPX_WITH_VALGRIND BOOL "Enable Valgrind instrumentation support."
OFF CATEGORY "Debugging")
hpx_option(HPX_WITH_VERIFY_LOCKS BOOL
"Enable lock verification code (default: OFF, implicitly enabled in debug builds)"
OFF
CATEGORY "Debugging" ADVANCED)
hpx_option(HPX_WITH_VERIFY_LOCKS_GLOBALLY BOOL
"Enable global lock verification code (default: OFF, implicitly enabled in debug builds)"
OFF
CATEGORY "Debugging" ADVANCED)
hpx_option(HPX_WITH_VERIFY_LOCKS_BACKTRACE BOOL
"Enable thread stack back trace being captured on lock registration (to be used in combination with HPX_WITH_VERIFY_LOCKS=ON, default: OFF)"
OFF
CATEGORY "Debugging" ADVANCED)
hpx_option(HPX_WITH_THREAD_DEBUG_INFO BOOL
"Enable thread debugging information (default: OFF, implicitly enabled in debug builds)"
OFF
CATEGORY "Debugging" ADVANCED)
hpx_option(HPX_WITH_THREAD_GUARD_PAGE BOOL
"Enable thread guard page (default: ON)"
ON
CATEGORY "Debugging" ADVANCED)
if(HPX_WITH_VERIFY_LOCKS)
hpx_add_config_define(HPX_HAVE_VERIFY_LOCKS)
if(HPX_WITH_VERIFY_LOCKS_BACKTRACE)
hpx_add_config_define(HPX_HAVE_VERIFY_LOCKS_BACKTRACE)
endif()
endif()
if(HPX_WITH_VERIFY_LOCKS_GLOBALLY)
hpx_add_config_define(HPX_HAVE_VERIFY_LOCKS_GLOBALLY)
endif()
# Additional debug support
if(NOT WIN32 AND HPX_WITH_THREAD_GUARD_PAGE)
hpx_add_config_define(HPX_HAVE_THREAD_GUARD_PAGE)
endif()
if(NOT WIN32 AND HPX_WITH_THREAD_STACK_MMAP)
hpx_add_config_define(HPX_HAVE_THREAD_STACK_MMAP)
endif()
if(HPX_WITH_THREAD_MANAGER_IDLE_BACKOFF)
hpx_add_config_define(HPX_HAVE_THREAD_MANAGER_IDLE_BACKOFF)
endif()
hpx_option(HPX_WITH_THREAD_DESCRIPTION_FULL BOOL
"Use function address for thread description (default: OFF)"
OFF
CATEGORY "Debugging" ADVANCED)
hpx_option(HPX_WITH_ATTACH_DEBUGGER_ON_TEST_FAILURE BOOL
"Break the debugger if a test has failed (default: OFF)"
OFF
CATEGORY "Debugging" ADVANCED)
if(HPX_WITH_ATTACH_DEBUGGER_ON_TEST_FAILURE)
hpx_add_config_define(HPX_HAVE_ATTACH_DEBUGGER_ON_TEST_FAILURE)
endif()
# If APEX is defined, the action timers need thread debug info.
if(HPX_WITH_APEX)
hpx_add_config_define(HPX_HAVE_THREAD_DESCRIPTION)
if(HPX_WITH_THREAD_DESCRIPTION_FULL)
hpx_add_config_define(HPX_HAVE_THREAD_DESCRIPTION_FULL)
endif()
endif()
if(HPX_WITH_THREAD_DEBUG_INFO)
hpx_add_config_define(HPX_HAVE_THREAD_PARENT_REFERENCE)
hpx_add_config_define(HPX_HAVE_THREAD_PHASE_INFORMATION)
hpx_add_config_define(HPX_HAVE_THREAD_DESCRIPTION)
hpx_add_config_define(HPX_HAVE_THREAD_DEADLOCK_DETECTION)
if(HPX_WITH_THREAD_DESCRIPTION_FULL)
hpx_add_config_define(HPX_HAVE_THREAD_DESCRIPTION_FULL)
endif()
endif()
# run hpx_main on all localities by default
hpx_option(HPX_WITH_RUN_MAIN_EVERYWHERE BOOL "Run hpx_main by default on all localities (default: OFF)." OFF ADVANCED)
if(HPX_WITH_RUN_MAIN_EVERYWHERE)
hpx_add_config_define(HPX_HAVE_RUN_MAIN_EVERYWHERE)
endif()
if(HPX_WITH_NETWORKING)
# Options for our plugins
hpx_option(HPX_WITH_COMPRESSION_BZIP2 BOOL
"Enable bzip2 compression for parcel data (default: OFF)." OFF ADVANCED)
hpx_option(HPX_WITH_COMPRESSION_SNAPPY BOOL
"Enable snappy compression for parcel data (default: OFF)." OFF ADVANCED)
hpx_option(HPX_WITH_COMPRESSION_ZLIB BOOL
"Enable zlib compression for parcel data (default: OFF)." OFF ADVANCED)
# Parcel coalescing is used by the main HPX library, enable it always
hpx_option(HPX_WITH_PARCEL_COALESCING BOOL
"Enable the parcel coalescing plugin (default: ON)." ON ADVANCED)
if(HPX_WITH_PARCEL_COALESCING)
hpx_add_config_define(HPX_HAVE_PARCEL_COALESCING)
endif()
endif()
# Developer tools
hpx_option(HPX_WITH_VIM_YCM BOOL
"Generate HPX completion file for VIM YouCompleteMe plugin"
OFF ADVANCED)
################################################################################
# Backwards compatibility options (edit for each release)
# HPX_WITH_COLOCATED_BACKWARDS_COMPATIBILITY: introduced in V0.9.11
hpx_option(HPX_WITH_COLOCATED_BACKWARDS_COMPATIBILITY BOOL
"Enable backwards compatibility for apply_colocated, async_colocated and friends"
OFF ADVANCED)
if(HPX_WITH_COLOCATED_BACKWARDS_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_COLOCATED_BACKWARDS_COMPATIBILITY)
endif()
# HPX_WITH_COMPONENT_GET_GID_COMPATIBILITY: introduced in V0.9.11
hpx_option(HPX_WITH_COMPONENT_GET_GID_COMPATIBILITY BOOL
"Enable backwards compatibility for component::get_gid() functions"
OFF ADVANCED)
if(HPX_WITH_COMPONENT_GET_GID_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_COMPONENT_GET_GID_COMPATIBILITY)
endif()
# HPX_WITH_LOCAL_DATAFLOW_COMPATIBILITY: introduced in V0.9.99
hpx_option(HPX_WITH_LOCAL_DATAFLOW_COMPATIBILITY BOOL
"Enable backwards compatibility for hpx::lcos::local::dataflow() functions"
OFF ADVANCED)
if(HPX_WITH_LOCAL_DATAFLOW_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_LOCAL_DATAFLOW_COMPATIBILITY)
endif()
# HPX_WITH_GENERIC_EXECUTION_POLICY: introduced in V0.9.99
hpx_option(HPX_WITH_GENERIC_EXECUTION_POLICY BOOL
"Enable the generic execution policy (default: OFF)"
OFF ADVANCED)
if(HPX_WITH_GENERIC_EXECUTION_POLICY)
hpx_add_config_define(HPX_HAVE_GENERIC_EXECUTION_POLICY)
endif()
# HPX_WITH_ASYNC_FUNCTION_COMPATIBILITY: introduced in V1.0.0
hpx_option(HPX_WITH_ASYNC_FUNCTION_COMPATIBILITY BOOL
"Enable old style ..._sync/..._async functions in API (default: OFF)"
OFF ADVANCED)
if(HPX_WITH_ASYNC_FUNCTION_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_ASYNC_FUNCTION_COMPATIBILITY)
endif()
# HPX_WITH_QUEUE_COMPATIBILITY: introduced in V1.1.0
hpx_option(HPX_WITH_QUEUE_COMPATIBILITY BOOL
"Enable old style queue components in API (default: OFF)"
OFF ADVANCED)
if(HPX_WITH_QUEUE_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_QUEUE_COMPATIBILITY)
endif()
# BADBAD: This enables an overload of swap which is necessary to work around the
# problems caused by zip_iterator not being a real random access iterator.
# Dereferencing zip_iterator does not yield a true reference but
# only a temporary tuple holding true references.
#
# A real fix for this problem is proposed in PR0022R0
# (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0022r0.html)
#
hpx_option(HPX_WITH_TUPLE_RVALUE_SWAP BOOL
"Enable swapping of rvalue tuples (needed for parallel::sort_by_key, default: ON)."
ON CATEGORY "Utility" ADVANCED)
if(HPX_WITH_TUPLE_RVALUE_SWAP)
hpx_add_config_define(HPX_HAVE_TUPLE_RVALUE_SWAP)
endif()
# HPX_WITH_BOOST_CHRONO_COMPATIBILITY: introduced in V1.0.0
hpx_option(HPX_WITH_BOOST_CHRONO_COMPATIBILITY BOOL
"Enable support for boost::chrono (default: OFF)"
OFF ADVANCED)
if(HPX_WITH_BOOST_CHRONO_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_BOOST_CHRONO_COMPATIBILITY)
endif()
# HPX_WITH_EXECUTOR_COMPATIBILITY: introduced in V1.0.0
hpx_option(HPX_WITH_EXECUTOR_COMPATIBILITY BOOL
"Enable old (pre-concurrency TS) executor API (default: ON)"
ON ADVANCED)
if(HPX_WITH_EXECUTOR_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_EXECUTOR_COMPATIBILITY)
endif()
# HPX_WITH_EXECUTION_POLICY_COMPATIBILITY: introduced in V1.0.0
hpx_option(HPX_WITH_EXECUTION_POLICY_COMPATIBILITY BOOL
"Enable old execution policy names in API (default: ON)"
ON ADVANCED)
if(HPX_WITH_EXECUTION_POLICY_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_EXECUTION_POLICY_COMPATIBILITY)
endif()
# HPX_WITH_TRANSFORM_REDUCE_COMPATIBILITY: introduced in V1.0.0
hpx_option(HPX_WITH_TRANSFORM_REDUCE_COMPATIBILITY BOOL
"Enable old overloads for transform_reduce and inner_product (default: ON)"
ON ADVANCED)
if(HPX_WITH_TRANSFORM_REDUCE_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_TRANSFORM_REDUCE_COMPATIBILITY)
endif()
# HPX_WITH_INCLUSIVE_SCAN_COMPATIBILITY: introduced in V1.1.0
hpx_option(HPX_WITH_INCLUSIVE_SCAN_COMPATIBILITY BOOL
"Enable old overloads for inclusive_scan (default: ON)"
ON ADVANCED)
if(HPX_WITH_INCLUSIVE_SCAN_COMPATIBILITY)
hpx_add_config_define(HPX_HAVE_INCLUSIVE_SCAN_COMPATIBILITY)
endif()
# HPX_WITH_ALGORITHM_INPUT_ITERATOR_SUPPORT: introduced in V1.1.0
hpx_option(HPX_WITH_ALGORITHM_INPUT_ITERATOR_SUPPORT BOOL
"Enable weaker (non-conforming) iterator requirements for parallel algorithms (default: OFF)"
OFF ADVANCED)
if(HPX_WITH_ALGORITHM_INPUT_ITERATOR_SUPPORT)
hpx_add_config_define(HPX_HAVE_ALGORITHM_INPUT_ITERATOR_SUPPORT)
endif()
# HPX_WITH_UNWRAPPED_COMPATIBILITY: introduced in V1.1.0
hpx_option(HPX_WITH_UNWRAPPED_COMPATIBILITY BOOL
"Enable the deprecated unwrapped function (default: ON)"
ON ADVANCED)