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|
############################################################################
# Copyright (c) Johan Mabille, Sylvain Corlay and Wolf Vollprecht #
# Copyright (c) QuantStack #
# #
# Distributed under the terms of the BSD 3-Clause License. #
# #
# The full license is in the file LICENSE, distributed with this software. #
############################################################################
cmake_minimum_required(VERSION 3.15..3.29)
project(xtensor CXX)
set(XTENSOR_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
# xtensor tag files
set(XTENSOR_DATA_DIR "share/xeus-cpp")
set(XTENSOR_TAGFILES_DIR ${CMAKE_CURRENT_SOURCE_DIR}/share/xeus-cpp/tagfiles)
set(XTENSOR_CONF_DIR "${CMAKE_INSTALL_SYSCONFDIR}/xeus-cpp")
set(XTENSOR_TAGCONFS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/etc/xeus-cpp/tags.d)
file(COPY "${XTENSOR_TAGFILES_DIR}" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/share/xeus-cpp")
file(COPY "${XTENSOR_TAGCONFS_DIR}" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/etc/xeus-cpp")
# Versionning
# ===========
file(STRINGS "${XTENSOR_INCLUDE_DIR}/xtensor/core/xtensor_config.hpp" xtensor_version_defines
REGEX "#define XTENSOR_VERSION_(MAJOR|MINOR|PATCH)")
foreach(ver ${xtensor_version_defines})
if(ver MATCHES "#define XTENSOR_VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$")
set(XTENSOR_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}" CACHE INTERNAL "")
endif()
endforeach()
set(${PROJECT_NAME}_VERSION
${XTENSOR_VERSION_MAJOR}.${XTENSOR_VERSION_MINOR}.${XTENSOR_VERSION_PATCH})
message(STATUS "Building xtensor v${${PROJECT_NAME}_VERSION}")
# Dependencies
# ============
set(xtl_REQUIRED_VERSION 0.8.0)
if(TARGET xtl)
set(xtl_VERSION ${XTL_VERSION_MAJOR}.${XTL_VERSION_MINOR}.${XTL_VERSION_PATCH})
# Note: This is not SEMVER compatible comparison
if(${xtl_VERSION} VERSION_LESS ${xtl_REQUIRED_VERSION})
message(ERROR "Mismatch xtl versions. Found '${xtl_VERSION}' but requires: '${xtl_REQUIRED_VERSION}'")
else()
message(STATUS "Found xtl v${xtl_VERSION}")
endif()
else()
find_package(xtl ${xtl_REQUIRED_VERSION} REQUIRED)
message(STATUS "Found xtl: ${xtl_INCLUDE_DIRS}/xtl")
endif()
find_package(nlohmann_json 3.1.1 QUIET)
# Optional dependencies
# =====================
OPTION(XTENSOR_USE_XSIMD "simd acceleration for xtensor" OFF)
OPTION(XTENSOR_USE_TBB "enable parallelization using intel TBB" OFF)
OPTION(XTENSOR_USE_OPENMP "enable parallelization using OpenMP" OFF)
if(XTENSOR_USE_TBB AND XTENSOR_USE_OPENMP)
message(
FATAL
"XTENSOR_USE_TBB and XTENSOR_USE_OPENMP cannot both be active at once"
)
endif()
if(XTENSOR_USE_XSIMD)
set(xsimd_REQUIRED_VERSION 13.2.0)
if(TARGET xsimd)
set(xsimd_VERSION ${XSIMD_VERSION_MAJOR}.${XSIMD_VERSION_MINOR}.${XSIMD_VERSION_PATCH})
# Note: This is not SEMVER compatible comparison
if(${xsimd_VERSION} VERSION_LESS ${xsimd_REQUIRED_VERSION})
message(ERROR "Mismatch xsimd versions. Found '${xsimd_VERSION}' but requires: '${xsimd_REQUIRED_VERSION}'")
else()
message(STATUS "Found xsimd v${xsimd_VERSION}")
endif()
else()
find_package(xsimd ${xsimd_REQUIRED_VERSION} REQUIRED)
message(STATUS "Found xsimd: ${xsimd_INCLUDE_DIRS}/xsimd")
endif()
endif()
if(XTENSOR_USE_TBB)
set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/")
find_package(TBB REQUIRED)
message(STATUS "Found intel TBB: ${TBB_INCLUDE_DIRS}")
endif()
if(XTENSOR_USE_OPENMP)
find_package(OpenMP REQUIRED)
if (OPENMP_FOUND)
# Set openmp variables now
# Create private target just for this lib
# https://cliutils.gitlab.io/modern-cmake/chapters/packages/OpenMP.html
# Probably not safe for cmake < 3.4 ..
find_package(Threads REQUIRED)
add_library(OpenMP::OpenMP_CXX_xtensor IMPORTED INTERFACE)
set_property(
TARGET
OpenMP::OpenMP_CXX_xtensor
PROPERTY
INTERFACE_COMPILE_OPTIONS ${OpenMP_CXX_FLAGS}
)
# Only works if the same flag is passed to the linker; use CMake 3.9+ otherwise (Intel, AppleClang)
set_property(
TARGET
OpenMP::OpenMP_CXX_xtensor
PROPERTY
INTERFACE_LINK_LIBRARIES ${OpenMP_CXX_FLAGS} Threads::Threads)
message(STATUS "OpenMP Found")
else()
message(FATAL "Failed to locate OpenMP")
endif()
endif()
# Build
# =====
set(XTENSOR_HEADERS
${XTENSOR_INCLUDE_DIR}/xtensor/chunk/xchunked_array.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/chunk/xchunked_assign.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/chunk/xchunked_view.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/containers/xadapt.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/containers/xarray.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/containers/xbuffer_adaptor.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/containers/xcontainer.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/containers/xfixed.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/containers/xscalar.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/containers/xstorage.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/containers/xtensor.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xaccessible.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xassign.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xeval.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xexpression.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xexpression_traits.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xfunction.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xiterable.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xiterator.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xlayout.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xmath.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xmultiindex_iterator.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xnoalias.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xoperation.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xsemantic.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xshape.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xstrides.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xtensor_config.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xtensor_forward.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/core/xvectorize.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/generators/xbuilder.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/generators/xgenerator.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/generators/xrandom.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/io/xcsv.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/io/xinfo.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/io/xio.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/io/xjson.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/io/xmime.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/io/xnpy.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/misc/xcomplex.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/misc/xexpression_holder.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/misc/xfft.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/misc/xhistogram.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/misc/xmanipulation.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/misc/xpad.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/misc/xset_operation.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/misc/xsort.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/optional/xoptional.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/optional/xoptional_assembly.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/optional/xoptional_assembly_base.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/optional/xoptional_assembly_storage.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/reducers/xaccumulator.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/reducers/xblockwise_reducer.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/reducers/xblockwise_reducer_functors.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/reducers/xnorm.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/reducers/xreducer.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/utils/xexception.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/utils/xtensor_simd.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/utils/xutils.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xaxis_iterator.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xaxis_slice_iterator.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xbroadcast.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xdynamic_view.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xfunctor_view.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xindex_view.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xmasked_view.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xoffset_view.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xrepeat.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xslice.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xstrided_view.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xstrided_view_base.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xview.hpp
${XTENSOR_INCLUDE_DIR}/xtensor/views/xview_utils.hpp
)
add_library(xtensor INTERFACE)
target_include_directories(xtensor INTERFACE
$<BUILD_INTERFACE:${XTENSOR_INCLUDE_DIR}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
$<INSTALL_INTERFACE:include>)
target_compile_features(xtensor INTERFACE cxx_std_20)
target_link_libraries(xtensor INTERFACE xtl)
OPTION(XTENSOR_ENABLE_ASSERT "xtensor bound check" OFF)
OPTION(XTENSOR_CHECK_DIMENSION "xtensor dimension check" OFF)
OPTION(XTENSOR_FORCE_TEMPORARY_MEMORY_IN_ASSIGNMENTS "xtensor force the use of temporary memory when assigning instead of an automatic overlap check" ON)
OPTION(BUILD_TESTS "xtensor test suite" OFF)
OPTION(BUILD_TEST_XNPY "include test_xnpy with tests" ON)
OPTION(BUILD_BENCHMARK "xtensor benchmark" OFF)
OPTION(DOWNLOAD_GBENCHMARK "download google benchmark and build from source" ON)
OPTION(DEFAULT_COLUMN_MAJOR "set default layout to column major" OFF)
OPTION(CPP23 "enables C++23 (experimental)" OFF)
OPTION(XTENSOR_DISABLE_EXCEPTIONS "Disable C++ exceptions" OFF)
OPTION(DISABLE_MSVC_ITERATOR_CHECK "Disable the MVSC iterator check" ON)
if(XTENSOR_ENABLE_ASSERT OR XTENSOR_CHECK_DIMENSION)
add_definitions(-DXTENSOR_ENABLE_ASSERT)
endif()
if(XTENSOR_CHECK_DIMENSION)
add_definitions(-DXTENSOR_ENABLE_CHECK_DIMENSION)
endif()
if(XTENSOR_FORCE_TEMPORARY_MEMORY_IN_ASSIGNMENTS)
add_definitions(-DXTENSOR_FORCE_TEMPORARY_MEMORY_IN_ASSIGNMENTS)
endif()
if(DEFAULT_COLUMN_MAJOR)
add_definitions(-DXTENSOR_DEFAULT_LAYOUT=layout_type::column_major)
endif()
if(MSVC AND DISABLE_MSVC_ITERATOR_CHECK)
add_compile_definitions($<$<CONFIG:Debug>:_ITERATOR_DEBUG_LEVEL=0>)
endif()
if(BUILD_TESTS)
enable_testing()
add_subdirectory(test)
endif()
if(BUILD_BENCHMARK)
add_subdirectory(benchmark)
endif()
if(XTENSOR_USE_OPENMP)
# Link xtensor itself to OpenMP to propagate to user projects
target_link_libraries(xtensor INTERFACE OpenMP::OpenMP_CXX_xtensor)
endif()
# Installation
# ============
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
install(TARGETS xtensor
EXPORT ${PROJECT_NAME}-targets)
# Makes the project importable from the build directory
export(EXPORT ${PROJECT_NAME}-targets
FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake")
install(DIRECTORY ${XTENSOR_INCLUDE_DIR}/xtensor
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
set(XTENSOR_CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_DATADIR}/cmake/${PROJECT_NAME}" CACHE
STRING "install path for xtensorConfig.cmake")
configure_package_config_file(${PROJECT_NAME}Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
INSTALL_DESTINATION ${XTENSOR_CMAKECONFIG_INSTALL_DIR})
# xtensor is header-only and does not depend on the architecture.
# Remove CMAKE_SIZEOF_VOID_P from xtensorConfigVersion.cmake so that an xtensorConfig.cmake
# generated for a 64 bit target can be used for 32 bit targets and vice versa.
set(_XTENSOR_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
unset(CMAKE_SIZEOF_VOID_P)
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
VERSION ${${PROJECT_NAME}_VERSION}
COMPATIBILITY AnyNewerVersion)
set(CMAKE_SIZEOF_VOID_P ${_XTENSOR_CMAKE_SIZEOF_VOID_P})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION ${XTENSOR_CMAKECONFIG_INSTALL_DIR})
install(EXPORT ${PROJECT_NAME}-targets
FILE ${PROJECT_NAME}Targets.cmake
DESTINATION ${XTENSOR_CMAKECONFIG_INSTALL_DIR})
configure_file(${PROJECT_NAME}.pc.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
@ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
DESTINATION "${CMAKE_INSTALL_DATADIR}/pkgconfig/")
install(DIRECTORY ${XTENSOR_TAGFILES_DIR}
DESTINATION ${XTENSOR_DATA_DIR})
install(DIRECTORY ${XTENSOR_TAGCONFS_DIR}
DESTINATION ${XTENSOR_CONF_DIR})
# Write single include
# ====================
function(PREPEND var prefix)
set(listVar "")
foreach(f ${ARGN})
list(APPEND listVar "${prefix}${f}")
endforeach(f)
set(${var} "${listVar}" PARENT_SCOPE)
endfunction()
function(POSTFIX var postfix)
set(listVar "")
foreach(f ${ARGN})
list(APPEND listVar "${f}${postfix}")
endforeach(f)
set(${var} "${listVar}" PARENT_SCOPE)
endfunction()
set(XTENSOR_SINGLE_INCLUDE ${XTENSOR_HEADERS})
string(REPLACE "${XTENSOR_INCLUDE_DIR}/" "" XTENSOR_SINGLE_INCLUDE "${XTENSOR_SINGLE_INCLUDE}")
list(REMOVE_ITEM XTENSOR_SINGLE_INCLUDE
xtensor/misc/xexpression_holder.hpp
xtensor/io/xjson.hpp
xtensor/io/xmime.hpp
xtensor/io/xnpy.hpp)
PREPEND(XTENSOR_SINGLE_INCLUDE "#include <" ${XTENSOR_SINGLE_INCLUDE})
POSTFIX(XTENSOR_SINGLE_INCLUDE ">" ${XTENSOR_SINGLE_INCLUDE})
string(REPLACE ";" "\n" XTENSOR_SINGLE_INCLUDE "${XTENSOR_SINGLE_INCLUDE}")
string(CONCAT XTENSOR_SINGLE_INCLUDE "#ifndef XTENSOR\n" "#define XTENSOR\n\n" "${XTENSOR_SINGLE_INCLUDE}" "\n\n#endif\n")
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/xtensor.hpp" "${XTENSOR_SINGLE_INCLUDE}")
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/xtensor.hpp"
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
|
