1 #===-- CMakeLists.txt ----------------------------------------------------===##
3 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 # See https://llvm.org/LICENSE.txt for license information.
5 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 #===----------------------------------------------------------------------===##
8 cmake_minimum_required(VERSION 3.13.4)
10 set(PARALLELSTL_VERSION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/include/pstl/internal/pstl_config.h")
11 file(STRINGS "${PARALLELSTL_VERSION_FILE}" PARALLELSTL_VERSION_SOURCE REGEX "#define _PSTL_VERSION .*$")
12 string(REGEX REPLACE "#define _PSTL_VERSION (.*)$" "\\1" PARALLELSTL_VERSION_SOURCE "${PARALLELSTL_VERSION_SOURCE}")
13 math(EXPR VERSION_MAJOR "(${PARALLELSTL_VERSION_SOURCE} / 1000)")
14 math(EXPR VERSION_MINOR "((${PARALLELSTL_VERSION_SOURCE} % 1000) / 10)")
15 math(EXPR VERSION_PATCH "(${PARALLELSTL_VERSION_SOURCE} % 10)")
17 project(ParallelSTL VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH} LANGUAGES CXX)
19 set(PSTL_PARALLEL_BACKEND "serial" CACHE STRING "Threading backend to use. Valid choices are 'serial', 'omp', and 'tbb'. The default is 'serial'.")
20 set(PSTL_HIDE_FROM_ABI_PER_TU OFF CACHE BOOL "Whether to constrain ABI-unstable symbols to each translation unit (basically, mark them with C's static keyword).")
21 set(_PSTL_HIDE_FROM_ABI_PER_TU ${PSTL_HIDE_FROM_ABI_PER_TU}) # For __pstl_config_site
24 get_filename_component(PSTL_DIR_NAME ${CMAKE_CURRENT_SOURCE_DIR} NAME)
25 string(REPLACE pstl tbb TBB_DIR_NAME ${PSTL_DIR_NAME})
26 if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../${TBB_DIR_NAME}/cmake")
27 get_filename_component(TBB_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${TBB_DIR_NAME}/cmake" ABSOLUTE)
31 ###############################################################################
32 # Setup the ParallelSTL library target
33 ###############################################################################
34 add_library(ParallelSTL INTERFACE)
35 add_library(pstl::ParallelSTL ALIAS ParallelSTL)
36 target_compile_features(ParallelSTL INTERFACE cxx_std_17)
38 if (PSTL_PARALLEL_BACKEND STREQUAL "serial")
39 message(STATUS "Parallel STL uses the serial backend")
40 set(_PSTL_PAR_BACKEND_SERIAL ON)
41 elseif (PSTL_PARALLEL_BACKEND STREQUAL "tbb")
42 find_package(TBB 2018 REQUIRED tbb OPTIONAL_COMPONENTS tbbmalloc)
43 message(STATUS "Parallel STL uses TBB ${TBB_VERSION} (interface version: ${TBB_INTERFACE_VERSION})")
44 target_link_libraries(ParallelSTL INTERFACE TBB::tbb)
45 set(_PSTL_PAR_BACKEND_TBB ON)
46 elseif (PSTL_PARALLEL_BACKEND STREQUAL "omp")
47 message(STATUS "Parallel STL uses the omp backend")
48 target_compile_options(ParallelSTL INTERFACE "-fopenmp=libomp")
49 set(_PSTL_PAR_BACKEND_OPENMP ON)
51 message(FATAL_ERROR "Requested unknown Parallel STL backend '${PSTL_PARALLEL_BACKEND}'.")
54 set(PSTL_GENERATED_HEADERS_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated_headers")
55 set(PSTL_CONFIG_SITE_PATH "${PSTL_GENERATED_HEADERS_DIR}/__pstl_config_site")
56 configure_file("include/__pstl_config_site.in"
57 "${PSTL_CONFIG_SITE_PATH}"
60 target_include_directories(ParallelSTL
62 $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
63 $<BUILD_INTERFACE:${PSTL_GENERATED_HEADERS_DIR}>
64 $<INSTALL_INTERFACE:include>)
66 ###############################################################################
68 ###############################################################################
70 add_subdirectory(test)
72 ###############################################################################
73 # Install the target and the associated CMake files
74 ###############################################################################
75 include(CMakePackageConfigHelpers)
76 write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfigVersion.cmake"
77 COMPATIBILITY ExactVersion)
79 configure_file(cmake/ParallelSTLConfig.cmake.in
80 "${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfig.cmake"
83 install(TARGETS ParallelSTL
84 EXPORT ParallelSTLTargets)
85 install(EXPORT ParallelSTLTargets
86 FILE ParallelSTLTargets.cmake
88 DESTINATION lib/cmake/ParallelSTL)
89 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfig.cmake"
90 "${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfigVersion.cmake"
91 DESTINATION lib/cmake/ParallelSTL)
92 install(DIRECTORY include/
94 PATTERN "*.in" EXCLUDE)
95 install(FILES "${PSTL_CONFIG_SITE_PATH}"
98 add_custom_target(install-pstl
99 COMMAND "${CMAKE_COMMAND}" -P "${PROJECT_BINARY_DIR}/cmake_install.cmake" -DCOMPONENT=ParallelSTL)