cmake_minimum_required(VERSION 3.10.0) #============================================================================== # CMake Policy issues. #============================================================================== # Allow overriding options in a parent project via `set` before including Eigen. if (POLICY CMP0077) cmake_policy (SET CMP0077 NEW) endif (POLICY CMP0077) # NOTE Remove setting the policy once the minimum required CMake version is # increased to at least 3.15. Retain enabling the export to package registry. if (POLICY CMP0090) # The export command does not populate package registry by default cmake_policy (SET CMP0090 NEW) # Unless otherwise specified, always export to package registry to ensure # backwards compatibility. if (NOT DEFINED CMAKE_EXPORT_PACKAGE_REGISTRY) set (CMAKE_EXPORT_PACKAGE_REGISTRY ON) endif (NOT DEFINED CMAKE_EXPORT_PACKAGE_REGISTRY) endif (POLICY CMP0090) # Disable warning about find_package(CUDA). # CUDA language support is lacking for clang as the CUDA compiler # until at least cmake version 3.18. Even then, there seems to be # issues on Windows+Ninja in passing build flags. Continue using # the "old" way for now. if (POLICY CMP0146) cmake_policy(SET CMP0146 OLD) endif () #============================================================================== # CMake Project. #============================================================================== project(Eigen3) # Remove this block after bumping CMake to v3.21.0 # PROJECT_IS_TOP_LEVEL is defined then by default if(CMAKE_VERSION VERSION_LESS 3.21.0) if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) set(PROJECT_IS_TOP_LEVEL ON) else() set(PROJECT_IS_TOP_LEVEL OFF) endif() endif() #============================================================================== # Build ON/OFF Settings. #============================================================================== # Determine if we should build tests. include(CMakeDependentOption) cmake_dependent_option(BUILD_TESTING "Enable creation of tests." ON "PROJECT_IS_TOP_LEVEL" OFF) option(EIGEN_BUILD_TESTING "Enable creation of Eigen tests." ${BUILD_TESTING}) option(EIGEN_LEAVE_TEST_IN_ALL_TARGET "Leaves tests in the all target, needed by ctest for automatic building." OFF) # Determine if we should build BLAS/LAPACK implementations. option(EIGEN_BUILD_BLAS "Toggles the building of the Eigen Blas library" ${PROJECT_IS_TOP_LEVEL}) option(EIGEN_BUILD_LAPACK "Toggles the building of the included Eigen LAPACK library" ${PROJECT_IS_TOP_LEVEL}) if (EIGEN_BUILD_BLAS OR EIGEN_BUILD_LAPACK) # BLAS and LAPACK currently need a fortran compiler. include(CMakeDetermineFortranCompiler) if (NOT CMAKE_Fortran_COMPILER) set(EIGEN_BUILD_BLAS OFF) set(EIGEN_BUILD_LAPACK OFF) else() # Determine if we should build shared libraries for BLAS/LAPACK on this platform. get_cmake_property(EIGEN_BUILD_SHARED_LIBS TARGET_SUPPORTS_SHARED_LIBS) endif() endif() option(EIGEN_BUILD_BTL "Build benchmark suite" OFF) option(EIGEN_BUILD_SPBENCH "Build sparse benchmark suite" OFF) # Avoid building docs if included from another project. # Building documentation requires creating and running executables on the host # platform. We shouldn't do this if cross-compiling. if (PROJECT_IS_TOP_LEVEL AND NOT CMAKE_CROSSCOMPILING) set(EIGEN_BUILD_DOC_DEFAULT ON) endif() option(EIGEN_BUILD_DOC "Enable creation of Eigen documentation" ${EIGEN_BUILD_DOC_DEFAULT}) option(EIGEN_BUILD_DEMOS "Toggles the building of the Eigen demos" ${PROJECT_IS_TOP_LEVEL}) # Disable pkgconfig only for native Windows builds if(NOT WIN32 OR NOT CMAKE_HOST_SYSTEM_NAME MATCHES Windows) option(EIGEN_BUILD_PKGCONFIG "Build pkg-config .pc file for Eigen" ${PROJECT_IS_TOP_LEVEL}) endif() option(EIGEN_BUILD_CMAKE_PACKAGE "Enables the creation of EigenConfig.cmake and related files" ${PROJECT_IS_TOP_LEVEL}) if (EIGEN_BUILD_TESTING OR EIGEN_BUILD_BLAS OR EIGEN_BUILD_LAPACK OR EIGEN_BUILT_BTL OR EIGEN_BUILD_BTL OR EIGEN_BUILD_SPBENCH OR EIGEN_BUILD_DOC OR EIGEN_BUILD_DEMOS) set(EIGEN_IS_BUILDING_ ON) endif() #============================================================================== # Version Info. #============================================================================== # Automatically parse the version number from header files. file(READ "${PROJECT_SOURCE_DIR}/Eigen/src/Core/util/Macros.h" _eigen_version_header) string(REGEX MATCH "define[ \t]+EIGEN_WORLD_VERSION[ \t]+([0-9]+)" _eigen_world_version_match "${_eigen_version_header}") set(EIGEN_WORLD_VERSION "${CMAKE_MATCH_1}") string(REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen_major_version_match "${_eigen_version_header}") set(EIGEN_MAJOR_VERSION "${CMAKE_MATCH_1}") string(REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen_minor_version_match "${_eigen_version_header}") set(EIGEN_MINOR_VERSION "${CMAKE_MATCH_1}") set(EIGEN_VERSION_NUMBER ${EIGEN_WORLD_VERSION}.${EIGEN_MAJOR_VERSION}.${EIGEN_MINOR_VERSION}) # If we are in a git repo, extract a changeset. if(IS_DIRECTORY ${CMAKE_SOURCE_DIR}/.git) # if the git program is absent or this will leave the EIGEN_GIT_REVNUM string empty, # but won't stop CMake. execute_process(COMMAND git ls-remote -q ${CMAKE_SOURCE_DIR} HEAD OUTPUT_VARIABLE EIGEN_GIT_OUTPUT) endif() # extract the git rev number from the git output... if(EIGEN_GIT_OUTPUT) string(REGEX MATCH "^([0-9;a-f]+).*" EIGEN_GIT_CHANGESET_MATCH "${EIGEN_GIT_OUTPUT}") set(EIGEN_GIT_REVNUM "${CMAKE_MATCH_1}") endif() #...and show it next to the version number if(EIGEN_GIT_REVNUM) set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER} (git rev ${EIGEN_GIT_REVNUM})") else() set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER}") endif() #============================================================================== # Install Path Configuration. #============================================================================== # Unconditionally allow install of targets to support nested dependency # installations. # # Note: projects that depend on Eigen should _probably_ exclude installing # Eigen by default (e.g. by using EXCLUDE_FROM_ALL when using # FetchContent_Declare or add_subdirectory) to avoid overwriting a previous # installation. include(GNUInstallDirs) # Backward compatibility support for EIGEN_INCLUDE_INSTALL_DIR if(EIGEN_INCLUDE_INSTALL_DIR) message(WARNING "EIGEN_INCLUDE_INSTALL_DIR is deprecated. Use INCLUDE_INSTALL_DIR instead.") endif() if(EIGEN_INCLUDE_INSTALL_DIR AND NOT INCLUDE_INSTALL_DIR) set(INCLUDE_INSTALL_DIR ${EIGEN_INCLUDE_INSTALL_DIR} CACHE PATH "The directory relative to CMAKE_INSTALL_PREFIX where Eigen header files are installed") else() set(INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}/eigen3" CACHE PATH "The directory relative to CMAKE_INSTALL_PREFIX where Eigen header files are installed" ) endif() set(CMAKEPACKAGE_INSTALL_DIR "${CMAKE_INSTALL_DATADIR}/eigen3/cmake" CACHE PATH "The directory relative to CMAKE_INSTALL_PREFIX where Eigen3Config.cmake is installed" ) set(PKGCONFIG_INSTALL_DIR "${CMAKE_INSTALL_DATADIR}/pkgconfig" CACHE PATH "The directory relative to CMAKE_INSTALL_PREFIX where eigen3.pc is installed" ) foreach(var INCLUDE_INSTALL_DIR CMAKEPACKAGE_INSTALL_DIR PKGCONFIG_INSTALL_DIR) # If an absolute path is specified, make it relative to "{CMAKE_INSTALL_PREFIX}". if(IS_ABSOLUTE "${${var}}") file(RELATIVE_PATH "${var}" "${CMAKE_INSTALL_PREFIX}" "${${var}}") endif() endforeach() #============================================================================== # Eigen Library. #============================================================================== set ( EIGEN_VERSION_STRING ${EIGEN_VERSION_NUMBER} ) set ( EIGEN_VERSION_MAJOR ${EIGEN_WORLD_VERSION} ) set ( EIGEN_VERSION_MINOR ${EIGEN_MAJOR_VERSION} ) set ( EIGEN_VERSION_PATCH ${EIGEN_MINOR_VERSION} ) # Alias Eigen_*_DIR to Eigen3_*_DIR: set(Eigen_SOURCE_DIR ${Eigen3_SOURCE_DIR}) set(Eigen_BINARY_DIR ${Eigen3_BINARY_DIR}) # Imported target support add_library (eigen INTERFACE) add_library (Eigen3::Eigen ALIAS eigen) target_include_directories (eigen INTERFACE $ $ ) # Export as title case Eigen set_target_properties (eigen PROPERTIES EXPORT_NAME Eigen) #============================================================================== # Install Rule Configuration. #============================================================================== install(FILES signature_of_eigen3_matrix_library DESTINATION ${INCLUDE_INSTALL_DIR} COMPONENT Devel ) if(EIGEN_BUILD_PKGCONFIG) configure_file(eigen3.pc.in eigen3.pc @ONLY) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/eigen3.pc DESTINATION ${PKGCONFIG_INSTALL_DIR}) endif() install(DIRECTORY Eigen DESTINATION ${INCLUDE_INSTALL_DIR} COMPONENT Devel) install(TARGETS eigen EXPORT Eigen3Targets) if(EIGEN_BUILD_CMAKE_PACKAGE) include (CMakePackageConfigHelpers) configure_package_config_file ( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Eigen3Config.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/Eigen3Config.cmake INSTALL_DESTINATION ${CMAKEPACKAGE_INSTALL_DIR} NO_SET_AND_CHECK_MACRO # Eigen does not provide legacy style defines NO_CHECK_REQUIRED_COMPONENTS_MACRO # Eigen does not provide components ) # NOTE Remove the first code path once the minimum required CMake version is # bumped to 3.14 or above. if (CMAKE_VERSION VERSION_LESS 3.14) # Remove CMAKE_SIZEOF_VOID_P from Eigen3ConfigVersion.cmake since Eigen does # not depend on architecture specific settings or libraries. More # specifically, an Eigen3Config.cmake generated from a 64 bit target can be # used for 32 bit targets as well (and vice versa). set (_Eigen3_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P}) unset (CMAKE_SIZEOF_VOID_P) write_basic_package_version_file (Eigen3ConfigVersion.cmake VERSION ${EIGEN_VERSION_NUMBER} COMPATIBILITY SameMajorVersion) set (CMAKE_SIZEOF_VOID_P ${_Eigen3_CMAKE_SIZEOF_VOID_P}) else (CMAKE_VERSION VERSION_LESS 3.14) write_basic_package_version_file (Eigen3ConfigVersion.cmake VERSION ${EIGEN_VERSION_NUMBER} COMPATIBILITY SameMajorVersion ARCH_INDEPENDENT) endif (CMAKE_VERSION VERSION_LESS 3.14) # The Eigen target will be located in the Eigen3 namespace. Other CMake # targets can refer to it using Eigen3::Eigen. export (TARGETS eigen NAMESPACE Eigen3:: FILE Eigen3Targets.cmake) # Export Eigen3 package to CMake registry such that it can be easily found by # CMake even if it has not been installed to a standard directory. export (PACKAGE Eigen3) install (EXPORT Eigen3Targets NAMESPACE Eigen3:: DESTINATION ${CMAKEPACKAGE_INSTALL_DIR}) install (FILES ${CMAKE_CURRENT_BINARY_DIR}/Eigen3Config.cmake ${CMAKE_CURRENT_BINARY_DIR}/Eigen3ConfigVersion.cmake DESTINATION ${CMAKEPACKAGE_INSTALL_DIR}) # Add uninstall target if(NOT TARGET uninstall) add_custom_target ( uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/EigenUninstall.cmake) endif() endif() #============================================================================== # General Build Configuration. #============================================================================== # Avoid setting the standard in a parent if unset. if(PROJECT_IS_TOP_LEVEL) set(CMAKE_CXX_STANDARD 14 CACHE STRING "Default C++ standard") set(CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "Require C++ standard") set(CMAKE_CXX_EXTENSIONS OFF CACHE BOOL "Allow C++ extensions") endif() # Guard against in-source builds if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR}) message(FATAL_ERROR "In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there. You may need to remove CMakeCache.txt. ") endif() # Guard against bad build-type strings if (PROJECT_IS_TOP_LEVEL AND NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE "Release") endif() # Only try to figure out how to link the math library if we are building something. # Otherwise, let the parent project deal with dependencies. if (EIGEN_IS_BUILDING_) # Use Eigen's cmake files. set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake) set(CMAKE_INCLUDE_CURRENT_DIR OFF) find_package(StandardMathLibrary) set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "") if(NOT STANDARD_MATH_LIBRARY_FOUND) message(FATAL_ERROR "Can't link to the standard math library. Please report to the Eigen developers, telling them about your platform.") else() if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO) set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO} ${STANDARD_MATH_LIBRARY}") else() set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${STANDARD_MATH_LIBRARY}") endif() endif() if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO) message(STATUS "Standard libraries to link to explicitly: ${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO}") else() message(STATUS "Standard libraries to link to explicitly: none") endif() # Default tests/examples/libraries to row-major. option(EIGEN_DEFAULT_TO_ROW_MAJOR "Use row-major as default matrix storage order" OFF) if(EIGEN_DEFAULT_TO_ROW_MAJOR) add_definitions("-DEIGEN_DEFAULT_TO_ROW_MAJOR") endif() endif() #============================================================================== # Test Configuration. #============================================================================== if (EIGEN_BUILD_TESTING) function(ei_maybe_separate_arguments variable mode args) # Use separate_arguments if the input is a single string containing a space. # Otherwise, if it is already a list or doesn't have a space, just propagate # the original value. This is to better support multi-argument lists. list(LENGTH args list_length) if (${list_length} EQUAL 1) string(FIND "${args}" " " has_space) if (${has_space} GREATER -1) separate_arguments(args ${mode} "${args}") endif() endif() set(${variable} ${args} PARENT_SCOPE) endfunction(ei_maybe_separate_arguments) include(CheckCXXCompilerFlag) macro(ei_add_cxx_compiler_flag FLAG) string(REGEX REPLACE "-" "" SFLAG1 ${FLAG}) string(REGEX REPLACE "\\+" "p" SFLAG ${SFLAG1}) check_cxx_compiler_flag(${FLAG} COMPILER_SUPPORT_${SFLAG}) if(COMPILER_SUPPORT_${SFLAG}) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAG}") endif() endmacro() set(EIGEN_TEST_CUSTOM_LINKER_FLAGS "" CACHE STRING "Additional linker flags when linking unit tests.") set(EIGEN_TEST_CUSTOM_CXX_FLAGS "" CACHE STRING "Additional compiler flags when compiling unit tests.") # Convert space-separated arguments into CMake lists for downstream consumption. ei_maybe_separate_arguments(EIGEN_TEST_CUSTOM_LINKER_FLAGS NATIVE_COMMAND "${EIGEN_TEST_CUSTOM_LINKER_FLAGS}") ei_maybe_separate_arguments(EIGEN_TEST_CUSTOM_CXX_FLAGS NATIVE_COMMAND "${EIGEN_TEST_CUSTOM_CXX_FLAGS}") option(EIGEN_SPLIT_LARGE_TESTS "Split large tests into smaller executables" ON) set(EIGEN_TEST_MAX_SIZE "320" CACHE STRING "Maximal matrix/vector size, default is 320") # Flags for tests. if(NOT MSVC) # We assume that other compilers are partly compatible with GNUCC # clang outputs some warnings for unknown flags that are not caught by check_cxx_compiler_flag # adding -Werror turns such warnings into errors check_cxx_compiler_flag("-Werror" COMPILER_SUPPORT_WERROR) if(COMPILER_SUPPORT_WERROR) set(CMAKE_REQUIRED_FLAGS "-Werror") endif() ei_add_cxx_compiler_flag("-pedantic") ei_add_cxx_compiler_flag("-Wall") ei_add_cxx_compiler_flag("-Wextra") # ei_add_cxx_compiler_flag("-Weverything") # clang ei_add_cxx_compiler_flag("-Wundef") ei_add_cxx_compiler_flag("-Wcast-align") ei_add_cxx_compiler_flag("-Wchar-subscripts") ei_add_cxx_compiler_flag("-Wnon-virtual-dtor") ei_add_cxx_compiler_flag("-Wunused-local-typedefs") ei_add_cxx_compiler_flag("-Wpointer-arith") ei_add_cxx_compiler_flag("-Wwrite-strings") ei_add_cxx_compiler_flag("-Wformat-security") ei_add_cxx_compiler_flag("-Wshorten-64-to-32") ei_add_cxx_compiler_flag("-Wlogical-op") ei_add_cxx_compiler_flag("-Wenum-conversion") ei_add_cxx_compiler_flag("-Wc++11-extensions") ei_add_cxx_compiler_flag("-Wdouble-promotion") # ei_add_cxx_compiler_flag("-Wconversion") ei_add_cxx_compiler_flag("-Wshadow") ei_add_cxx_compiler_flag("-Wno-psabi") ei_add_cxx_compiler_flag("-Wno-variadic-macros") ei_add_cxx_compiler_flag("-Wno-long-long") ei_add_cxx_compiler_flag("-fno-common") ei_add_cxx_compiler_flag("-fstrict-aliasing") ei_add_cxx_compiler_flag("-wd981") # disable ICC's "operands are evaluated in unspecified order" remark ei_add_cxx_compiler_flag("-wd2304") # disable ICC's "warning #2304: non-explicit constructor with single argument may cause implicit type conversion" produced by -Wnon-virtual-dtor # Clang emits warnings about unused flag. if (NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang") ei_add_cxx_compiler_flag("-fno-check-new") endif() if(ANDROID_NDK) ei_add_cxx_compiler_flag("-pie") ei_add_cxx_compiler_flag("-fPIE") endif() set(CMAKE_REQUIRED_FLAGS "") option(EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF) if(EIGEN_TEST_SSE2) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2") message(STATUS "Enabling SSE2 in tests/examples") endif() option(EIGEN_TEST_SSE3 "Enable/Disable SSE3 in tests/examples" OFF) if(EIGEN_TEST_SSE3) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse3") message(STATUS "Enabling SSE3 in tests/examples") endif() option(EIGEN_TEST_SSSE3 "Enable/Disable SSSE3 in tests/examples" OFF) if(EIGEN_TEST_SSSE3) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3") message(STATUS "Enabling SSSE3 in tests/examples") endif() option(EIGEN_TEST_SSE4_1 "Enable/Disable SSE4.1 in tests/examples" OFF) if(EIGEN_TEST_SSE4_1) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.1") message(STATUS "Enabling SSE4.1 in tests/examples") endif() option(EIGEN_TEST_SSE4_2 "Enable/Disable SSE4.2 in tests/examples" OFF) if(EIGEN_TEST_SSE4_2) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2") message(STATUS "Enabling SSE4.2 in tests/examples") endif() option(EIGEN_TEST_AVX "Enable/Disable AVX in tests/examples" OFF) if(EIGEN_TEST_AVX) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx") message(STATUS "Enabling AVX in tests/examples") endif() option(EIGEN_TEST_FMA "Enable/Disable FMA in tests/examples" OFF) if(EIGEN_TEST_FMA AND NOT EIGEN_TEST_NEON) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfma") message(STATUS "Enabling FMA in tests/examples") endif() option(EIGEN_TEST_AVX2 "Enable/Disable AVX2 in tests/examples" OFF) if(EIGEN_TEST_AVX2) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx2 -mfma") message(STATUS "Enabling AVX2 in tests/examples") endif() option(EIGEN_TEST_AVX512 "Enable/Disable AVX512 in tests/examples" OFF) if(EIGEN_TEST_AVX512) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512f -mfma") message(STATUS "Enabling AVX512 in tests/examples") endif() option(EIGEN_TEST_AVX512DQ "Enable/Disable AVX512DQ in tests/examples" OFF) if(EIGEN_TEST_AVX512DQ) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512dq -mfma") message(STATUS "Enabling AVX512DQ in tests/examples") endif() option(EIGEN_TEST_AVX512FP16 "Enable/Disable AVX512-FP16 in tests/examples" OFF) if(EIGEN_TEST_AVX512FP16) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512f -mfma -mavx512vl -mavx512fp16") message(STATUS "Enabling AVX512-FP16 in tests/examples") endif() option(EIGEN_TEST_F16C "Enable/Disable F16C in tests/examples" OFF) if(EIGEN_TEST_F16C) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mf16c") message(STATUS "Enabling F16C in tests/examples") endif() option(EIGEN_TEST_ALTIVEC "Enable/Disable AltiVec in tests/examples" OFF) if(EIGEN_TEST_ALTIVEC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maltivec -mabi=altivec") message(STATUS "Enabling AltiVec in tests/examples") endif() option(EIGEN_TEST_VSX "Enable/Disable VSX in tests/examples" OFF) if(EIGEN_TEST_VSX) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m64 -mvsx") message(STATUS "Enabling VSX in tests/examples") endif() option(EIGEN_TEST_MSA "Enable/Disable MSA in tests/examples" OFF) if(EIGEN_TEST_MSA) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmsa") message(STATUS "Enabling MSA in tests/examples") endif() option(EIGEN_TEST_LSX "Enable/Disable LSX in tests/examples" OFF) if(EIGEN_TEST_LSX) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mlsx") message(STATUS "Enabling LSX in tests/examples") endif() option(EIGEN_TEST_NEON "Enable/Disable Neon in tests/examples" OFF) if(EIGEN_TEST_NEON) if(EIGEN_TEST_FMA) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon-vfpv4") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon") endif() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=hard") message(STATUS "Enabling NEON in tests/examples") endif() option(EIGEN_TEST_NEON64 "Enable/Disable Neon in tests/examples" OFF) if(EIGEN_TEST_NEON64) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") message(STATUS "Enabling NEON in tests/examples") endif() option(EIGEN_TEST_Z13 "Enable/Disable S390X(zEC13) ZVECTOR in tests/examples" OFF) if(EIGEN_TEST_Z13) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=z13 -mzvector") message(STATUS "Enabling S390X(zEC13) ZVECTOR in tests/examples") endif() option(EIGEN_TEST_Z14 "Enable/Disable S390X(zEC14) ZVECTOR in tests/examples" OFF) if(EIGEN_TEST_Z14) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=z14 -mzvector") message(STATUS "Enabling S390X(zEC13) ZVECTOR in tests/examples") endif() check_cxx_compiler_flag("-fopenmp" COMPILER_SUPPORT_OPENMP) if(COMPILER_SUPPORT_OPENMP) option(EIGEN_TEST_OPENMP "Enable/Disable OpenMP in tests/examples" OFF) if(EIGEN_TEST_OPENMP) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp") message(STATUS "Enabling OpenMP in tests/examples") endif() endif() else() # C4127 - conditional expression is constant # C4714 - marked as __forceinline not inlined (I failed to deactivate it selectively) # We can disable this warning in the unit tests since it is clear that it occurs # because we are oftentimes returning objects that have a destructor or may # throw exceptions - in particular in the unit tests we are throwing extra many # exceptions to cover indexing errors. # C4505 - unreferenced local function has been removed (impossible to deactivate selectively) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc /wd4127 /wd4505 /wd4714") # replace all /Wx by /W4 string(REGEX REPLACE "/W[0-9]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") check_cxx_compiler_flag("/openmp" COMPILER_SUPPORT_OPENMP) if(COMPILER_SUPPORT_OPENMP) option(EIGEN_TEST_OPENMP "Enable/Disable OpenMP in tests/examples" OFF) if(EIGEN_TEST_OPENMP) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /openmp") message(STATUS "Enabling OpenMP in tests/examples") endif() endif() option(EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF) if(EIGEN_TEST_SSE2) if(NOT CMAKE_CL_64) # arch is not supported on 64 bit systems, SSE is enabled automatically. set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:SSE2") endif() message(STATUS "Enabling SSE2 in tests/examples") endif() option(EIGEN_TEST_AVX "Enable/Disable AVX in tests/examples" OFF) if(EIGEN_TEST_AVX) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX") message(STATUS "Enabling AVX in tests/examples") endif() option(EIGEN_TEST_FMA "Enable/Disable FMA/AVX2 in tests/examples" OFF) option(EIGEN_TEST_AVX2 "Enable/Disable FMA/AVX2 in tests/examples" OFF) if((EIGEN_TEST_FMA AND NOT EIGEN_TEST_NEON) OR EIGEN_TEST_AVX2) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX2") message(STATUS "Enabling FMA/AVX2 in tests/examples") endif() option(EIGEN_TEST_AVX512 "Enable/Disable AVX512 in tests/examples" OFF) option(EIGEN_TEST_AVX512DQ "Enable/Disable AVX512DQ in tests/examples" OFF) if(EIGEN_TEST_AVX512 OR EIGEN_TEST_AVX512DQ) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX512") message(STATUS "Enabling AVX512 in tests/examples") endif() endif(NOT MSVC) option(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION "Disable explicit vectorization in tests/examples" OFF) option(EIGEN_TEST_X87 "Force using X87 instructions. Implies no vectorization." OFF) option(EIGEN_TEST_32BIT "Force generating 32bit code." OFF) if(EIGEN_TEST_X87) set(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION ON) if(CMAKE_COMPILER_IS_GNUCXX) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=387") message(STATUS "Forcing use of x87 instructions in tests/examples") else() message(STATUS "EIGEN_TEST_X87 ignored on your compiler") endif() endif() if(EIGEN_TEST_32BIT) if(CMAKE_COMPILER_IS_GNUCXX) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32") message(STATUS "Forcing generation of 32-bit code in tests/examples") else() message(STATUS "EIGEN_TEST_32BIT ignored on your compiler") endif() endif() if(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION) add_definitions(-DEIGEN_DONT_VECTORIZE=1) message(STATUS "Disabling vectorization in tests/examples") endif() option(EIGEN_TEST_NO_EXPLICIT_ALIGNMENT "Disable explicit alignment (hence vectorization) in tests/examples" OFF) if(EIGEN_TEST_NO_EXPLICIT_ALIGNMENT) add_definitions(-DEIGEN_DONT_ALIGN=1) message(STATUS "Disabling alignment in tests/examples") endif() option(EIGEN_TEST_NO_EXCEPTIONS "Disables C++ exceptions" OFF) if(EIGEN_TEST_NO_EXCEPTIONS) ei_add_cxx_compiler_flag("-fno-exceptions") message(STATUS "Disabling exceptions in tests/examples") endif() set(EIGEN_CUDA_CXX_FLAGS "" CACHE STRING "Additional flags to pass to the cuda compiler.") set(EIGEN_CUDA_COMPUTE_ARCH 30 CACHE STRING "The CUDA compute architecture(s) to target when compiling CUDA code") option(EIGEN_TEST_SYCL "Add Sycl support." OFF) if(EIGEN_TEST_SYCL) option(EIGEN_SYCL_DPCPP "Use the DPCPP Sycl implementation (DPCPP is default SYCL-Compiler)." ON) option(EIGEN_SYCL_TRISYCL "Use the triSYCL Sycl implementation." OFF) option(EIGEN_SYCL_ComputeCpp "Use the ComputeCPP Sycl implementation." OFF) # Building options # https://developer.codeplay.com/products/computecpp/ce/2.11.0/guides/eigen-overview/options-for-building-eigen-sycl option(EIGEN_SYCL_USE_DEFAULT_SELECTOR "Use sycl default selector to select the preferred device." OFF) option(EIGEN_SYCL_NO_LOCAL_MEM "Build for devices without dedicated shared memory." OFF) option(EIGEN_SYCL_LOCAL_MEM "Allow the use of local memory (enabled by default)." ON) option(EIGEN_SYCL_LOCAL_THREAD_DIM0 "Set work group size for dimension 0." 16) option(EIGEN_SYCL_LOCAL_THREAD_DIM1 "Set work group size for dimension 1." 16) option(EIGEN_SYCL_ASYNC_EXECUTION "Allow asynchronous execution (enabled by default)." ON) option(EIGEN_SYCL_DISABLE_SKINNY "Disable optimization for tall/skinny matrices." OFF) option(EIGEN_SYCL_DISABLE_DOUBLE_BUFFER "Disable double buffer." OFF) option(EIGEN_SYCL_DISABLE_SCALAR "Disable scalar contraction." OFF) option(EIGEN_SYCL_DISABLE_GEMV "Disable GEMV and create a single kernel to calculate contraction instead." OFF) set(EIGEN_SYCL ON) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations -Wno-shorten-64-to-32 -Wno-cast-align") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-copy-with-user-provided-copy -Wno-unused-variable") set (CMAKE_MODULE_PATH "${CMAKE_ROOT}/Modules" "cmake/Modules/" "${CMAKE_MODULE_PATH}") find_package(Threads REQUIRED) if(EIGEN_SYCL_TRISYCL) message(STATUS "Using triSYCL") include(FindTriSYCL) elseif(EIGEN_SYCL_ComputeCpp) message(STATUS "Using ComputeCPP SYCL") include(FindComputeCpp) set(COMPUTECPP_DRIVER_DEFAULT_VALUE OFF) if (NOT MSVC) set(COMPUTECPP_DRIVER_DEFAULT_VALUE ON) endif() option(COMPUTECPP_USE_COMPILER_DRIVER "Use ComputeCpp driver instead of a 2 steps compilation" ${COMPUTECPP_DRIVER_DEFAULT_VALUE} ) else() #Default SYCL compiler is DPCPP (EIGEN_SYCL_DPCPP) set(DPCPP_SYCL_TARGET "spir64" CACHE STRING "Default target for Intel CPU/GPU") message(STATUS "Using DPCPP") find_package(DPCPP) add_definitions(-DSYCL_COMPILER_IS_DPCPP) endif(EIGEN_SYCL_TRISYCL) if(EIGEN_DONT_VECTORIZE_SYCL) message(STATUS "Disabling SYCL vectorization in tests/examples") # When disabling SYCL vectorization, also disable Eigen default vectorization add_definitions(-DEIGEN_DONT_VECTORIZE=1) add_definitions(-DEIGEN_DONT_VECTORIZE_SYCL=1) endif() endif() include(EigenConfigureTesting) if(EIGEN_LEAVE_TEST_IN_ALL_TARGET) # CTest automatic test building relies on the "all" target. add_subdirectory(test) add_subdirectory(failtest) else() add_subdirectory(test EXCLUDE_FROM_ALL) add_subdirectory(failtest EXCLUDE_FROM_ALL) endif() ei_testing_print_summary() if (EIGEN_SPLIT_TESTSUITE) ei_split_testsuite("${EIGEN_SPLIT_TESTSUITE}") endif() endif(EIGEN_BUILD_TESTING) #============================================================================== # Other Build Configurations. #============================================================================== add_subdirectory(unsupported) if(EIGEN_BUILD_BLAS) add_subdirectory(blas) endif() if (EIGEN_BUILD_LAPACK) add_subdirectory(lapack) endif() if(EIGEN_BUILD_DOC) add_subdirectory(doc EXCLUDE_FROM_ALL) endif() # TODO: consider also replacing EIGEN_BUILD_BTL by a custom target "make btl"? if(EIGEN_BUILD_BTL) add_subdirectory(bench/btl EXCLUDE_FROM_ALL) endif() if(NOT WIN32 AND EIGEN_BUILD_SPBENCH) add_subdirectory(bench/spbench EXCLUDE_FROM_ALL) endif() if (EIGEN_BUILD_DEMOS) add_subdirectory(demos EXCLUDE_FROM_ALL) endif() if (PROJECT_IS_TOP_LEVEL) # must be after test and unsupported, for configuring buildtests.in add_subdirectory(scripts EXCLUDE_FROM_ALL) configure_file(scripts/cdashtesting.cmake.in cdashtesting.cmake @ONLY) endif() #============================================================================== # Summary. #============================================================================== if(PROJECT_IS_TOP_LEVEL) string(TOLOWER "${CMAKE_GENERATOR}" cmake_generator_tolower) if(cmake_generator_tolower MATCHES "makefile") message(STATUS "Available targets (use: make TARGET):") else() message(STATUS "Available targets (use: cmake --build . --target TARGET):") endif() message(STATUS "------------+--------------------------------------------------------------") message(STATUS "Target | Description") message(STATUS "------------+--------------------------------------------------------------") message(STATUS "install | Install Eigen. Headers will be installed to:") message(STATUS " | /") message(STATUS " | Using the following values:") message(STATUS " | CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX}") message(STATUS " | INCLUDE_INSTALL_DIR: ${INCLUDE_INSTALL_DIR}") message(STATUS " | Change the install location of Eigen headers using:") message(STATUS " | cmake . -DCMAKE_INSTALL_PREFIX=yourprefix") message(STATUS " | Or:") message(STATUS " | cmake . -DINCLUDE_INSTALL_DIR=yourdir") message(STATUS "uninstall | Remove files installed by the install target") if (EIGEN_BUILD_DOC) message(STATUS "doc | Generate the API documentation, requires Doxygen & LaTeX") message(STATUS "install-doc | Install the API documentation") endif() if(EIGEN_BUILD_TESTING) message(STATUS "check | Build and run the unit-tests. Read this page:") message(STATUS " | http://eigen.tuxfamily.org/index.php?title=Tests") endif() if (EIGEN_BUILD_BLAS) message(STATUS "blas | Build BLAS library (not the same thing as Eigen)") endif() if (EIGEN_BUILD_LAPACK) message(STATUS "lapack | Build LAPACK subset library (not the same thing as Eigen)") endif() message(STATUS "------------+--------------------------------------------------------------") message(STATUS "") endif() message(STATUS "") message(STATUS "Configured Eigen ${EIGEN_VERSION_NUMBER}") message(STATUS "")