llvm-toolchain-9/pstl/CMakeLists.txt

84 lines
3.9 KiB
CMake

#===-- CMakeLists.txt ----------------------------------------------------===##
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
#===----------------------------------------------------------------------===##
cmake_minimum_required(VERSION 3.4.3)
set(PARALLELSTL_VERSION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/include/pstl/internal/pstl_config.h")
file(STRINGS "${PARALLELSTL_VERSION_FILE}" PARALLELSTL_VERSION_SOURCE REGEX "#define _PSTL_VERSION .*$")
string(REGEX REPLACE "#define _PSTL_VERSION (.*)$" "\\1" PARALLELSTL_VERSION_SOURCE "${PARALLELSTL_VERSION_SOURCE}")
math(EXPR VERSION_MAJOR "(${PARALLELSTL_VERSION_SOURCE} / 1000)")
math(EXPR VERSION_MINOR "((${PARALLELSTL_VERSION_SOURCE} % 1000) / 10)")
math(EXPR VERSION_PATCH "(${PARALLELSTL_VERSION_SOURCE} % 10)")
project(ParallelSTL VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH} LANGUAGES CXX)
set(PARALLELSTL_BACKEND "serial" CACHE STRING "Threading backend to use. Valid choices are 'serial' and 'tbb'. The default is 'serial'.")
if (NOT TBB_DIR)
get_filename_component(PSTL_DIR_NAME ${CMAKE_CURRENT_SOURCE_DIR} NAME)
string(REPLACE pstl tbb TBB_DIR_NAME ${PSTL_DIR_NAME})
if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../${TBB_DIR_NAME}/cmake")
get_filename_component(TBB_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${TBB_DIR_NAME}/cmake" ABSOLUTE)
endif()
endif()
###############################################################################
# Setup the ParallelSTL library target
###############################################################################
add_library(ParallelSTL INTERFACE)
add_library(pstl::ParallelSTL ALIAS ParallelSTL)
target_compile_features(ParallelSTL INTERFACE cxx_std_17)
if (PARALLELSTL_BACKEND STREQUAL "serial")
message(STATUS "Parallel STL uses the serial backend")
target_compile_definitions(ParallelSTL INTERFACE -D_PSTL_PAR_BACKEND_SERIAL)
elseif (PARALLELSTL_BACKEND STREQUAL "tbb")
find_package(TBB 2018 REQUIRED tbb OPTIONAL_COMPONENTS tbbmalloc)
message(STATUS "Parallel STL uses TBB ${TBB_VERSION} (interface version: ${TBB_INTERFACE_VERSION})")
target_link_libraries(ParallelSTL INTERFACE TBB::tbb)
target_compile_definitions(ParallelSTL INTERFACE -D_PSTL_PAR_BACKEND_TBB)
else()
message(FATAL_ERROR "Requested unknown Parallel STL backend '${PARALLELSTL_BACKEND}'.")
endif()
target_include_directories(ParallelSTL
INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
###############################################################################
# Setup tests
###############################################################################
enable_testing()
add_subdirectory(test)
###############################################################################
# Install the target and the associated CMake files
###############################################################################
include(CMakePackageConfigHelpers)
write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfigVersion.cmake"
COMPATIBILITY ExactVersion)
configure_file(cmake/ParallelSTLConfig.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfig.cmake"
@ONLY)
install(TARGETS ParallelSTL
EXPORT ParallelSTLTargets)
install(EXPORT ParallelSTLTargets
FILE ParallelSTLTargets.cmake
NAMESPACE pstl::
DESTINATION lib/cmake/ParallelSTL)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/ParallelSTLConfigVersion.cmake"
DESTINATION lib/cmake/ParallelSTL)
install(DIRECTORY include/pstl
DESTINATION include)
add_custom_target(install-pstl
COMMAND "${CMAKE_COMMAND}" -P "${PROJECT_BINARY_DIR}/cmake_install.cmake" -DCOMPONENT=ParallelSTL)