CMAKE_MINIMUM_REQUIRED(VERSION 3.5 FATAL_ERROR) # ---[ Project PROJECT(pthreadpool C CXX) # ---[ Options. SET(PTHREADPOOL_LIBRARY_TYPE "default" CACHE STRING "Type of library (shared, static, or default) to build") SET_PROPERTY(CACHE PTHREADPOOL_LIBRARY_TYPE PROPERTY STRINGS default static shared) OPTION(PTHREADPOOL_ALLOW_DEPRECATED_API "Enable deprecated API functions" ON) SET(PTHREADPOOL_SYNC_PRIMITIVE "default" CACHE STRING "Synchronization primitive (condvar, futex, gcd, event, or default) for worker threads") SET_PROPERTY(CACHE PTHREADPOOL_SYNC_PRIMITIVE PROPERTY STRINGS default condvar futex gcd event) IF(CMAKE_SYSTEM_PROCESSOR MATCHES "^(i[3-6]86|AMD64|x86(_64)?)$") OPTION(PTHREADPOOL_ENABLE_FASTPATH "Enable fast path using atomic decrement instead of atomic compare-and-swap" ON) ELSE() OPTION(PTHREADPOOL_ENABLE_FASTPATH "Enable fast path using atomic decrement instead of atomic compare-and-swap" OFF) ENDIF() IF("${CMAKE_SOURCE_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}") OPTION(PTHREADPOOL_BUILD_TESTS "Build pthreadpool unit tests" ON) OPTION(PTHREADPOOL_BUILD_BENCHMARKS "Build pthreadpool micro-benchmarks" ON) ELSE() SET(PTHREADPOOL_BUILD_TESTS OFF CACHE BOOL "Build pthreadpool unit tests") SET(PTHREADPOOL_BUILD_BENCHMARKS OFF CACHE BOOL "Build pthreadpool micro-benchmarks") ENDIF() # ---[ CMake options INCLUDE(GNUInstallDirs) IF(PTHREADPOOL_BUILD_TESTS) ENABLE_TESTING() ENDIF() MACRO(PTHREADPOOL_TARGET_ENABLE_CXX11 target) SET_TARGET_PROPERTIES(${target} PROPERTIES CXX_STANDARD 11 CXX_EXTENSIONS NO) ENDMACRO() # ---[ Download deps IF(NOT DEFINED FXDIV_SOURCE_DIR) MESSAGE(STATUS "Downloading FXdiv to ${CMAKE_BINARY_DIR}/FXdiv-source (define FXDIV_SOURCE_DIR to avoid it)") CONFIGURE_FILE(cmake/DownloadFXdiv.cmake "${CMAKE_BINARY_DIR}/FXdiv-download/CMakeLists.txt") EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" . WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/FXdiv-download") EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/FXdiv-download") SET(FXDIV_SOURCE_DIR "${CMAKE_BINARY_DIR}/FXdiv-source" CACHE STRING "FXdiv source directory") ENDIF() IF(PTHREADPOOL_BUILD_TESTS AND NOT DEFINED GOOGLETEST_SOURCE_DIR) MESSAGE(STATUS "Downloading Google Test to ${CMAKE_BINARY_DIR}/googletest-source (define GOOGLETEST_SOURCE_DIR to avoid it)") CONFIGURE_FILE(cmake/DownloadGoogleTest.cmake "${CMAKE_BINARY_DIR}/googletest-download/CMakeLists.txt") EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" . WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/googletest-download") EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/googletest-download") SET(GOOGLETEST_SOURCE_DIR "${CMAKE_BINARY_DIR}/googletest-source" CACHE STRING "Google Test source directory") ENDIF() IF(PTHREADPOOL_BUILD_BENCHMARKS AND NOT DEFINED GOOGLEBENCHMARK_SOURCE_DIR) MESSAGE(STATUS "Downloading Google Benchmark to ${CMAKE_BINARY_DIR}/googlebenchmark-source (define GOOGLEBENCHMARK_SOURCE_DIR to avoid it)") CONFIGURE_FILE(cmake/DownloadGoogleBenchmark.cmake "${CMAKE_BINARY_DIR}/googlebenchmark-download/CMakeLists.txt") EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" . WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/googlebenchmark-download") EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/googlebenchmark-download") SET(GOOGLEBENCHMARK_SOURCE_DIR "${CMAKE_BINARY_DIR}/googlebenchmark-source" CACHE STRING "Google Benchmark source directory") ENDIF() # ---[ pthreadpool library IF(PTHREADPOOL_ALLOW_DEPRECATED_API) SET(PTHREADPOOL_SRCS src/legacy-api.c) ENDIF() IF(EMSCRIPTEN) LIST(APPEND PTHREADPOOL_SRCS src/shim.c) ELSE() LIST(APPEND PTHREADPOOL_SRCS src/portable-api.c src/memory.c) IF(APPLE AND (PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "default" OR PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "gcd")) LIST(APPEND PTHREADPOOL_SRCS src/gcd.c) ELSEIF(CMAKE_SYSTEM_NAME MATCHES "^(Windows|CYGWIN|MSYS)$" AND (PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "default" OR PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "event")) LIST(APPEND PTHREADPOOL_SRCS src/windows.c) ELSE() LIST(APPEND PTHREADPOOL_SRCS src/pthreads.c) ENDIF() IF(PTHREADPOOL_ENABLE_FASTPATH) LIST(APPEND PTHREADPOOL_SRCS src/fastpath.c) ENDIF() ENDIF() ADD_LIBRARY(pthreadpool_interface INTERFACE) TARGET_INCLUDE_DIRECTORIES(pthreadpool_interface INTERFACE include) IF(NOT PTHREADPOOL_ALLOW_DEPRECATED_API) TARGET_COMPILE_DEFINITIONS(pthreadpool_interface INTERFACE PTHREADPOOL_NO_DEPRECATED_API=1) ENDIF() INSTALL(FILES include/pthreadpool.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) IF(PTHREADPOOL_LIBRARY_TYPE STREQUAL "default") ADD_LIBRARY(pthreadpool ${PTHREADPOOL_SRCS}) ELSEIF(PTHREADPOOL_LIBRARY_TYPE STREQUAL "shared") ADD_LIBRARY(pthreadpool SHARED ${PTHREADPOOL_SRCS}) ELSEIF(PTHREADPOOL_LIBRARY_TYPE STREQUAL "static") ADD_LIBRARY(pthreadpool STATIC ${PTHREADPOOL_SRCS}) ELSE() MESSAGE(FATAL_ERROR "Unsupported library type ${PTHREADPOOL_LIBRARY_TYPE}") ENDIF() IF(PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "condvar") TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_FUTEX=0) TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_GCD=0) TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_EVENT=0) ELSEIF(PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "futex") TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_FUTEX=1) TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_GCD=0) TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_EVENT=0) ELSEIF(PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "gcd") TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_FUTEX=0) TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_GCD=1) TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_EVENT=0) ELSEIF(PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "event") TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_FUTEX=0) TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_GCD=0) TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_EVENT=1) ELSEIF(NOT PTHREADPOOL_SYNC_PRIMITIVE STREQUAL "default") MESSAGE(FATAL_ERROR "Unsupported synchronization primitive ${PTHREADPOOL_SYNC_PRIMITIVE}") ENDIF() IF(PTHREADPOOL_ENABLE_FASTPATH) TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_FASTPATH=1) ELSE() TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE PTHREADPOOL_USE_FASTPATH=0) ENDIF() SET_TARGET_PROPERTIES(pthreadpool PROPERTIES C_STANDARD 11 C_EXTENSIONS NO) TARGET_LINK_LIBRARIES(pthreadpool PUBLIC pthreadpool_interface) TARGET_INCLUDE_DIRECTORIES(pthreadpool PRIVATE src) IF(NOT CMAKE_SYSTEM_NAME STREQUAL "Emscripten") SET(CMAKE_THREAD_PREFER_PTHREAD TRUE) IF(NOT CMAKE_GENERATOR STREQUAL "Xcode") FIND_PACKAGE(Threads REQUIRED) ENDIF() IF(CMAKE_USE_PTHREADS_INIT) IF(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "Android") TARGET_COMPILE_OPTIONS(pthreadpool PUBLIC -pthread) ENDIF() ENDIF() TARGET_LINK_LIBRARIES(pthreadpool PUBLIC ${CMAKE_THREAD_LIBS_INIT}) ENDIF() IF(CMAKE_SYSTEM_NAME STREQUAL "Linux") TARGET_COMPILE_DEFINITIONS(pthreadpool PRIVATE _GNU_SOURCE=1) ENDIF() # ---[ Configure FXdiv IF(NOT TARGET fxdiv) SET(FXDIV_BUILD_TESTS OFF CACHE BOOL "") SET(FXDIV_BUILD_BENCHMARKS OFF CACHE BOOL "") ADD_SUBDIRECTORY( "${FXDIV_SOURCE_DIR}" "${CMAKE_BINARY_DIR}/FXdiv") ENDIF() TARGET_LINK_LIBRARIES(pthreadpool PRIVATE fxdiv) INSTALL(TARGETS pthreadpool LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) IF(PTHREADPOOL_BUILD_TESTS) # ---[ Build google test IF(NOT TARGET gtest) SET(gtest_force_shared_crt ON CACHE BOOL "" FORCE) ADD_SUBDIRECTORY( "${GOOGLETEST_SOURCE_DIR}" "${CMAKE_BINARY_DIR}/googletest") ENDIF() ADD_EXECUTABLE(pthreadpool-test test/pthreadpool.cc) SET_TARGET_PROPERTIES(pthreadpool-test PROPERTIES CXX_STANDARD 11 CXX_EXTENSIONS NO) TARGET_LINK_LIBRARIES(pthreadpool-test pthreadpool gtest gtest_main) ADD_TEST(pthreadpool pthreadpool-test) ADD_EXECUTABLE(pthreadpool-cxx-test test/pthreadpool-cxx.cc) SET_TARGET_PROPERTIES(pthreadpool-cxx-test PROPERTIES CXX_STANDARD 11 CXX_EXTENSIONS NO) TARGET_LINK_LIBRARIES(pthreadpool-cxx-test pthreadpool gtest gtest_main) ADD_TEST(pthreadpool-cxx pthreadpool-cxx-test) ENDIF() IF(PTHREADPOOL_BUILD_BENCHMARKS) # ---[ Build google benchmark IF(NOT TARGET benchmark) SET(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "") ADD_SUBDIRECTORY( "${GOOGLEBENCHMARK_SOURCE_DIR}" "${CMAKE_BINARY_DIR}/googlebenchmark") ENDIF() ADD_EXECUTABLE(latency-bench bench/latency.cc) SET_TARGET_PROPERTIES(latency-bench PROPERTIES CXX_STANDARD 11 CXX_EXTENSIONS NO) TARGET_LINK_LIBRARIES(latency-bench pthreadpool benchmark) ADD_EXECUTABLE(throughput-bench bench/throughput.cc) SET_TARGET_PROPERTIES(throughput-bench PROPERTIES CXX_STANDARD 11 CXX_EXTENSIONS NO) TARGET_LINK_LIBRARIES(throughput-bench pthreadpool benchmark) ENDIF()