pstl/CMakeLists.txt

   1 #===-- CMakeLists.txt ----------------------------------------------------===##
   2 #
   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
   6 #
   7 #===----------------------------------------------------------------------===##
   8 cmake_minimum_required(VERSION 3.20.0)
   9
  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)")
  16
  17 project(ParallelSTL VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH} LANGUAGES CXX)
  18
  19 # Must go below project(..)
  20 include(GNUInstallDirs)
  21
  22 set(PSTL_PARALLEL_BACKEND "serial" CACHE STRING "Threading backend to use. Valid choices are 'serial', 'omp', and 'tbb'. The default is 'serial'.")
  23 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).")
  24 set(_PSTL_HIDE_FROM_ABI_PER_TU ${PSTL_HIDE_FROM_ABI_PER_TU}) # For __pstl_config_site
  25
  26 if (NOT TBB_DIR)
  27     get_filename_component(PSTL_DIR_NAME ${CMAKE_CURRENT_SOURCE_DIR} NAME)
  28     string(REPLACE pstl tbb TBB_DIR_NAME ${PSTL_DIR_NAME})
  29     if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../${TBB_DIR_NAME}/cmake")
  30         get_filename_component(TBB_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${TBB_DIR_NAME}/cmake" ABSOLUTE)
  31     endif()
  32 endif()
  33
  34 ###############################################################################
  35 # Setup the ParallelSTL library target
  36 ###############################################################################
  37 add_library(ParallelSTL INTERFACE)
  38 add_library(pstl::ParallelSTL ALIAS ParallelSTL)
  39 target_compile_features(ParallelSTL INTERFACE cxx_std_17)
  40
  41 if (PSTL_PARALLEL_BACKEND STREQUAL "serial")
  42     message(STATUS "Parallel STL uses the serial backend")
  43     set(_PSTL_PAR_BACKEND_SERIAL ON)
  44 elseif (PSTL_PARALLEL_BACKEND STREQUAL "tbb")
  45     find_package(TBB 2018 REQUIRED tbb OPTIONAL_COMPONENTS tbbmalloc)
  46     message(STATUS "Parallel STL uses TBB ${TBB_VERSION} (interface version: ${TBB_INTERFACE_VERSION})")
  47     target_link_libraries(ParallelSTL INTERFACE TBB::tbb)
  48     set(_PSTL_PAR_BACKEND_TBB ON)
  49 elseif (PSTL_PARALLEL_BACKEND STREQUAL "omp")
  50     message(STATUS "Parallel STL uses the omp backend")
  51     target_compile_options(ParallelSTL INTERFACE "-fopenmp=libomp")
  52     set(_PSTL_PAR_BACKEND_OPENMP ON)
  53 else()
  54     message(FATAL_ERROR "Requested unknown Parallel STL backend '${PSTL_PARALLEL_BACKEND}'.")
  55 endif()
  56
  57 set(PSTL_GENERATED_HEADERS_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated_headers")
  58 set(PSTL_CONFIG_SITE_PATH "${PSTL_GENERATED_HEADERS_DIR}/__pstl_config_site")
  59 configure_file("include/__pstl_config_site.in"
  60                "${PSTL_CONFIG_SITE_PATH}"
  61                @ONLY)
  62
  63 target_include_directories(ParallelSTL
  64     INTERFACE
  65     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
  66     $<BUILD_INTERFACE:${PSTL_GENERATED_HEADERS_DIR}>
  67     $<INSTALL_INTERFACE:include>)
  68
  69 ###############################################################################
  70 # Setup tests
  71 ###############################################################################
  72 enable_testing()
  73 add_subdirectory(test)
  74
  75 ###############################################################################
  76 # Install the target and the associated CMake files
  77 ###############################################################################
  78 include(CMakePackageConfigHelpers)
  79 write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfigVersion.cmake"
  80                                  COMPATIBILITY ExactVersion)
  81
  82 configure_file(cmake/ParallelSTLConfig.cmake.in
  83                "${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfig.cmake"
  84                @ONLY)
  85
  86 install(TARGETS ParallelSTL
  87         EXPORT ParallelSTLTargets)
  88 install(EXPORT ParallelSTLTargets
  89         FILE ParallelSTLTargets.cmake
  90         NAMESPACE pstl::
  91         DESTINATION lib/cmake/ParallelSTL)
  92 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfig.cmake"
  93               "${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfigVersion.cmake"
  94         DESTINATION lib/cmake/ParallelSTL)
  95 install(DIRECTORY include/
  96         DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
  97         PATTERN "*.in" EXCLUDE)
  98 install(FILES "${PSTL_CONFIG_SITE_PATH}"
  99         DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
 100
 101 add_custom_target(install-pstl
 102                   COMMAND "${CMAKE_COMMAND}" -P "${PROJECT_BINARY_DIR}/cmake_install.cmake" -DCOMPONENT=ParallelSTL)