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JohanMabilleJohanMabille
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cmake build
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‎CMakeLists.txt

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############################################################################
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# Copyright (c) 2016, Johan Mabille and Sylvain Corlay #
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# #
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# Distributed under the terms of the BSD 3-Clause License. #
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# #
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# The full license is in the file LICENSE, distributed with this software. #
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############################################################################
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cmake_minimum_required(VERSION 3.1)
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project(xtensor-python)
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set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
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set(XTENSOR_PYTHON_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
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# Versionning
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# ===========
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set(XTENSOR_PYTHON_CONFIG_FILE
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"${XTENSOR_PYTHON_INCLUDE_DIR}/xtensor-python/xtensor_python_config.hpp")
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file(STRINGS ${XTENSOR_PYTHON_CONFIG_FILE} xtensor_python_version_defines
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REGEX "#define XTENSOR_PYTHON_VERSION_(MAJOR|MINOR|PATCH)")
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foreach(ver ${xtensor_python_version_defines})
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if(ver MATCHES "#define XTENSOR_PYTHON_VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$")
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set(XTENSOR_PYTHON_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}" CACHE INTERNAL "")
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endif()
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endforeach()
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set(${PROJECT_NAME}_VERSION
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${XTENSOR_PYTHON_VERSION_MAJOR}.${XTENSOR_PYTHON_VERSION_MINOR}.${XTENSOR_PYTHON_VERSION_PATCH})
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message(STATUS "xtensor-python v${${PROJECT_NAME}_VERSION}")
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# Build
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# =====
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OPTION(BUILD_TESTS "xtensor test suite" ON)
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set(XTENSOR_PYTHON_HEADERS
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${XTENSOR_PYTHON_INCLUDE_DIR}/xtensor-python/pyarray.hpp
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${XTENSOR_PYTHON_INCLUDE_DIR}/xtensor-python/pybuffer_adaptor.hpp
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${XTENSOR_PYTHON_INCLUDE_DIR}/xtensor-python/pycontainer.hpp
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${XTENSOR_PYTHON_INCLUDE_DIR}/xtensor-python/pytensor.hpp
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${XTENSOR_PYTHON_INCLUDE_DIR}/xtensor-python/pyvectorize.hpp
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${XTENSOR_PYTHON_INCLUDE_DIR}/xtensor-python/xtensor_python_config.hpp
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)
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if(BUILD_TESTS)
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include_directories(${XTENSOR_PYTHON_INCLUDE_DIR})
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find_package(xtensor REQUIRED)
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include_directories(${xtensor_INCLUDE_DIR})
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find_package(NumPy REQUIRED)
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include_directories(${NUMPY_INCLUDE_DIRS})
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#TODO replace this with a find_package(pybind11 REQUIRED)
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# in parent CMakeLists when pybind11 CMakeLists has been fixed.
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find_package(PythonLibs REQUIRED)
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include_directories(${PYTHON_INCLUDE_DIRS})
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if(MSVC)
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set(PYTHON_MODULE_EXTENSION ".pyd")
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else()
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set(PYTHON_MODULE_EXTENSION ".so")
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endif()
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#add_subdirectory(test)
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add_subdirectory(benchmark)
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endif()
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# Installation
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# ============
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include(GNUInstallDirs)
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include(CMakePackageConfigHelpers)
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install(FILES ${XTENSOR_PYTHON_HEADERS}
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DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/xtensor-python)
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# GNUInstallDirs "DATADIR" wrong here; CMake search path wants "share".
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set(XTENSOR_PYTHON_CMAKECONFIG_INSTALL_DIR "share/cmake/${PROJECT_NAME}" CACHE STRING "install path for xtensor-pythonConfig.cmake")
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configure_package_config_file(${PROJECT_NAME}Config.cmake.in
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"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
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INSTALL_DESTINATION ${XTENSOR_PYTHON_CMAKECONFIG_INSTALL_DIR})
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write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
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VERSION ${${PROJECT_NAME}_VERSION}
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COMPATIBILITY AnyNewerVersion)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
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${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
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DESTINATION ${XTENSOR_PYTHON_CMAKECONFIG_INSTALL_DIR})
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‎benchmark/CMakeLists.txt

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############################################################################
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# Copyright (c) 2016, Johan Mabille and Sylvain Corlay #
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# #
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# Distributed under the terms of the BSD 3-Clause License. #
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# #
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# The full license is in the file LICENSE, distributed with this software. #
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############################################################################
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message(STATUS "Forcing tests build type to Release")
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set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
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include(CheckCXXCompilerFlag)
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string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -Wunused-parameter -Wextra -Wreorder -Wconversion")
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CHECK_CXX_COMPILER_FLAG("-std=c++14" HAS_CPP14_FLAG)
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if (HAS_CPP14_FLAG)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
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else()
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message(FATAL_ERROR "Unsupported compiler -- xtensor requires C++14 support!")
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endif()
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# Enable link time optimization and set the default symbol
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# visibility to hidden (very important to obtain small binaries)
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if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
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# Default symbol visibility
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
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# Check for Link Time Optimization support
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# (GCC/Clang)
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CHECK_CXX_COMPILER_FLAG("-flto" HAS_LTO_FLAG)
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if (HAS_LTO_FLAG)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto")
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endif()
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# Intel equivalent to LTO is called IPO
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if (CMAKE_CXX_COMPILER_ID MATCHES "Intel")
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CHECK_CXX_COMPILER_FLAG("-ipo" HAS_IPO_FLAG)
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if (HAS_IPO_FLAG)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ipo")
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endif()
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endif()
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endif()
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endif()
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if(MSVC)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc /MP /bigobj")
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set(CMAKE_EXE_LINKER_FLAGS /MANIFEST:NO)
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foreach(flag_var
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CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
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CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
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string(REPLACE "/MD" "-MT" ${flag_var} "${${flag_var}}")
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endforeach()
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endif()
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set(XTENSOR_PYTHON_BENCHMARK
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main.cpp
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)
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set(XTENSOR_PYTHON_BENCHMARK_TARGET benchmark_xtensor_python)
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add_library(${XTENSOR_PYTHON_BENCHMARK_TARGET} EXCLUDE_FROM_ALL
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${XTENSOR_PYTHON_BENCHMARK} ${XTENSOR_PYTHON_HEADERS})
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set_target_properties(${XTENSOR_PYTHON_BENCHMARK_TARGET} PROPERTIES SUFFIX "${PYTHON_MODULE_EXTENSION}")
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if(APPLE)
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target_link_libraries(${XTENSOR_PYTHON_BENCHMARK_TARGET} PRIVATE "-undefined dynamic_lookup")
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else()
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target_link_libraries(${XTENSOR_PYTHON_BENCHMARK_TARGET} "-shared")
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endif()
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configure_file(benchmark_pyarray.py benchmark_pyarray.py COPYONLY)
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configure_file(benchmark_pytensor.py benchmark_pytensor.py COPYONLY)
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configure_file(benchmark_pybind_array.py benchmark_pybind_array.py COPYONLY)
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add_custom_target(xbenchmark DEPENDS ${XTENSOR_PYTHON_BENCHMARK_TARGET})
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‎cmake/FindNumPy.cmake

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# - Find the NumPy libraries
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# This module finds if NumPy is installed, and sets the following variables
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# indicating where it is.
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#
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# TODO: Update to provide the libraries and paths for linking npymath lib.
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#
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# NUMPY_FOUND - was NumPy found
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# NUMPY_VERSION - the version of NumPy found as a string
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# NUMPY_VERSION_MAJOR - the major version number of NumPy
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# NUMPY_VERSION_MINOR - the minor version number of NumPy
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# NUMPY_VERSION_PATCH - the patch version number of NumPy
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# NUMPY_VERSION_DECIMAL - e.g. version 1.6.1 is 10601
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# NUMPY_INCLUDE_DIRS - path to the NumPy include files
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#============================================================================
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# Copyright 2012 Continuum Analytics, Inc.
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#
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# MIT License
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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#
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#============================================================================
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# Finding NumPy involves calling the Python interpreter
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if(NumPy_FIND_REQUIRED)
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find_package(PythonInterp REQUIRED)
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else()
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find_package(PythonInterp)
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endif()
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if(NOT PYTHONINTERP_FOUND)
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set(NUMPY_FOUND FALSE)
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endif()
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execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c"
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"import numpy as n; print(n.__version__); print(n.get_include());"
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RESULT_VARIABLE _NUMPY_SEARCH_SUCCESS
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OUTPUT_VARIABLE _NUMPY_VALUES
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ERROR_VARIABLE _NUMPY_ERROR_VALUE
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT _NUMPY_SEARCH_SUCCESS MATCHES 0)
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if(NumPy_FIND_REQUIRED)
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message(FATAL_ERROR
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"NumPy import failure:\n${_NUMPY_ERROR_VALUE}")
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endif()
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set(NUMPY_FOUND FALSE)
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endif()
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# Convert the process output into a list
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string(REGEX REPLACE ";" "\\\\;" _NUMPY_VALUES ${_NUMPY_VALUES})
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string(REGEX REPLACE "\n" ";" _NUMPY_VALUES ${_NUMPY_VALUES})
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list(GET _NUMPY_VALUES 0 NUMPY_VERSION)
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list(GET _NUMPY_VALUES 1 NUMPY_INCLUDE_DIRS)
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# Make sure all directory separators are '/'
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string(REGEX REPLACE "\\\\" "/" NUMPY_INCLUDE_DIRS ${NUMPY_INCLUDE_DIRS})
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# Get the major and minor version numbers
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string(REGEX REPLACE "\\." ";" _NUMPY_VERSION_LIST ${NUMPY_VERSION})
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list(GET _NUMPY_VERSION_LIST 0 NUMPY_VERSION_MAJOR)
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list(GET _NUMPY_VERSION_LIST 1 NUMPY_VERSION_MINOR)
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list(GET _NUMPY_VERSION_LIST 2 NUMPY_VERSION_PATCH)
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string(REGEX MATCH "[0-9]*" NUMPY_VERSION_PATCH ${NUMPY_VERSION_PATCH})
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math(EXPR NUMPY_VERSION_DECIMAL
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"(${NUMPY_VERSION_MAJOR} * 10000) + (${NUMPY_VERSION_MINOR} * 100) + ${NUMPY_VERSION_PATCH}")
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find_package_message(NUMPY
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"Found NumPy: version \"${NUMPY_VERSION}\" ${NUMPY_INCLUDE_DIRS}"
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"${NUMPY_INCLUDE_DIRS}${NUMPY_VERSION}")
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set(NUMPY_FOUND TRUE)

‎include/xtensor-python/xtensor_python_config.hpp

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/***************************************************************************
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* Copyright (c) 2016, Johan Mabille and Sylvain Corlay *
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* *
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* Distributed under the terms of the BSD 3-Clause License. *
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* *
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* The full license is in the file LICENSE, distributed with this software. *
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****************************************************************************/
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#ifndef XTENSOR_PYTHON_CONFIG_HPP
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#define XTENSOR_PYTHON_CONFIG_HPP
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#define XTENSOR_PYTHON_VERSION_MAJOR 0
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#define XTENSOR_PYTHON_VERSION_MINOR 5
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#define XTENSOR_PYTHON_VERSION_PATCH 0
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#endif

‎xtensor-pythonConfig.cmake.in

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############################################################################
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# Copyright (c) 2016, Johan Mabille and Sylvain Corlay #
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# #
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# Distributed under the terms of the BSD 3-Clause License. #
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# #
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# The full license is in the file LICENSE, distributed with this software. #
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############################################################################
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# xtensor cmake module
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# This module sets the following variables in your project::
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#
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# xtensor_FOUND - true if xtensor found on the system
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# xtensor_INCLUDE_DIR - the directory containing xtensor headers
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# xtensor_LIBRARY - empty
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@PACKAGE_INIT@
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set(PN xtensor-python)
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set_and_check(${PN}_INCLUDE_DIR "${PACKAGE_PREFIX_DIR}/@CMAKE_INSTALL_INCLUDEDIR@")
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set(${PN}_LIBRARY "")
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check_required_components(${PN})

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