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Diffstat (limited to 'share/cmake-3.18/Modules/FindLAPACK.cmake')
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diff --git a/share/cmake-3.18/Modules/FindLAPACK.cmake b/share/cmake-3.18/Modules/FindLAPACK.cmake new file mode 100644 index 0000000..31e7de6 --- /dev/null +++ b/share/cmake-3.18/Modules/FindLAPACK.cmake @@ -0,0 +1,555 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +FindLAPACK +---------- + +Find Linear Algebra PACKage (LAPACK) library + +This module finds an installed Fortran library that implements the +LAPACK linear-algebra interface (see http://www.netlib.org/lapack/). + +The approach follows that taken for the ``autoconf`` macro file, +``acx_lapack.m4`` (distributed at +http://ac-archive.sourceforge.net/ac-archive/acx_lapack.html). + +Input Variables +^^^^^^^^^^^^^^^ + +The following variables may be set to influence this module's behavior: + +``BLA_STATIC`` + if ``ON`` use static linkage + +``BLA_VENDOR`` + If set, checks only the specified vendor, if not set checks all the + possibilities. List of vendors valid in this module: + + * ``OpenBLAS`` + * ``FLAME`` + * ``Intel10_32`` (intel mkl v10 32 bit) + * ``Intel10_64lp`` (intel mkl v10+ 64 bit, threaded code, lp64 model) + * ``Intel10_64lp_seq`` (intel mkl v10+ 64 bit, sequential code, lp64 model) + * ``Intel10_64ilp`` (intel mkl v10+ 64 bit, threaded code, ilp64 model) + * ``Intel10_64ilp_seq`` (intel mkl v10+ 64 bit, sequential code, ilp64 model) + * ``Intel10_64_dyn`` (intel mkl v10+ 64 bit, single dynamic library) + * ``Intel`` (obsolete versions of mkl 32 and 64 bit) + * ``ACML`` + * ``Apple`` + * ``NAS`` + * ``Arm`` + * ``Arm_mp`` + * ``Arm_ilp64`` + * ``Arm_ilp64_mp`` + * ``Generic`` + +``BLA_F95`` + if ``ON`` tries to find the BLAS95/LAPACK95 interfaces + +Imported targets +^^^^^^^^^^^^^^^^ + +This module defines the following :prop_tgt:`IMPORTED` target: + +``LAPACK::LAPACK`` + The libraries to use for LAPACK, if found. + +Result Variables +^^^^^^^^^^^^^^^^ + +This module defines the following variables: + +``LAPACK_FOUND`` + library implementing the LAPACK interface is found +``LAPACK_LINKER_FLAGS`` + uncached list of required linker flags (excluding ``-l`` and ``-L``). +``LAPACK_LIBRARIES`` + uncached list of libraries (using full path name) to link against + to use LAPACK +``LAPACK95_LIBRARIES`` + uncached list of libraries (using full path name) to link against + to use LAPACK95 +``LAPACK95_FOUND`` + library implementing the LAPACK95 interface is found + +.. note:: + + C, CXX or Fortran must be enabled to detect a BLAS/LAPACK library. + C or CXX must be enabled to use Intel Math Kernel Library (MKL). + + For example, to use Intel MKL libraries and/or Intel compiler: + + .. code-block:: cmake + + set(BLA_VENDOR Intel10_64lp) + find_package(LAPACK) +#]=======================================================================] + +# Check the language being used +if(NOT (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED OR CMAKE_Fortran_COMPILER_LOADED)) + if(LAPACK_FIND_REQUIRED) + message(FATAL_ERROR "FindLAPACK requires Fortran, C, or C++ to be enabled.") + else() + message(STATUS "Looking for LAPACK... - NOT found (Unsupported languages)") + return() + endif() +endif() + +if(CMAKE_Fortran_COMPILER_LOADED) + include(${CMAKE_CURRENT_LIST_DIR}/CheckFortranFunctionExists.cmake) +else() + include(${CMAKE_CURRENT_LIST_DIR}/CheckFunctionExists.cmake) +endif() +include(${CMAKE_CURRENT_LIST_DIR}/CMakePushCheckState.cmake) + +cmake_push_check_state() +set(CMAKE_REQUIRED_QUIET ${LAPACK_FIND_QUIETLY}) + +set(LAPACK_FOUND FALSE) +set(LAPACK95_FOUND FALSE) + +set(_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES}) +if(BLA_STATIC) + if(WIN32) + set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES}) + else() + set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES}) + endif() +else() + if(CMAKE_SYSTEM_NAME STREQUAL "Linux") + # for ubuntu's libblas3gf and liblapack3gf packages + set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} .so.3gf) + endif() +endif() + +# TODO: move this stuff to a separate module + +macro(CHECK_LAPACK_LIBRARIES LIBRARIES _prefix _name _flags _list _threadlibs _addlibdir _subdirs _blas) + # This macro checks for the existence of the combination of fortran libraries + # given by _list. If the combination is found, this macro checks (using the + # Check_Fortran_Function_Exists macro) whether can link against that library + # combination using the name of a routine given by _name using the linker + # flags given by _flags. If the combination of libraries is found and passes + # the link test, LIBRARIES is set to the list of complete library paths that + # have been found. Otherwise, LIBRARIES is set to FALSE. + + # N.B. _prefix is the prefix applied to the names of all cached variables that + # are generated internally and marked advanced by this macro. + # _addlibdir is a list of additional search paths. _subdirs is a list of path + # suffixes to be used by find_library(). + + set(_libraries_work TRUE) + set(${LIBRARIES}) + set(_combined_name) + + set(_extaddlibdir "${_addlibdir}") + if(WIN32) + list(APPEND _extaddlibdir ENV LIB) + elseif(APPLE) + list(APPEND _extaddlibdir ENV DYLD_LIBRARY_PATH) + else() + list(APPEND _extaddlibdir ENV LD_LIBRARY_PATH) + endif() + list(APPEND _extaddlibdir "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}") + + foreach(_library ${_list}) + if(_library MATCHES "^-Wl,--(start|end)-group$") + # Respect linker flags like --start/end-group (required by MKL) + set(${LIBRARIES} ${${LIBRARIES}} "${_library}") + else() + set(_combined_name ${_combined_name}_${_library}) + if(_libraries_work) + find_library(${_prefix}_${_library}_LIBRARY + NAMES ${_library} + PATHS ${_extaddlibdir} + PATH_SUFFIXES ${_subdirs} + ) + #message("DEBUG: find_library(${_library}) got ${${_prefix}_${_library}_LIBRARY}") + mark_as_advanced(${_prefix}_${_library}_LIBRARY) + set(${LIBRARIES} ${${LIBRARIES}} ${${_prefix}_${_library}_LIBRARY}) + set(_libraries_work ${${_prefix}_${_library}_LIBRARY}) + endif() + endif() + endforeach() + + if(_libraries_work) + # Test this combination of libraries. + set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_blas} ${_threadlibs}) + #message("DEBUG: CMAKE_REQUIRED_LIBRARIES = ${CMAKE_REQUIRED_LIBRARIES}") + if(CMAKE_Fortran_COMPILER_LOADED) + check_fortran_function_exists("${_name}" ${_prefix}${_combined_name}_WORKS) + else() + check_function_exists("${_name}_" ${_prefix}${_combined_name}_WORKS) + endif() + set(CMAKE_REQUIRED_LIBRARIES) + set(_libraries_work ${${_prefix}${_combined_name}_WORKS}) + endif() + + if(_libraries_work) + if("${_list}${_blas}" STREQUAL "") + set(${LIBRARIES} "${LIBRARIES}-PLACEHOLDER-FOR-EMPTY-LIBRARIES") + else() + set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threadlibs}) + endif() + else() + set(${LIBRARIES} FALSE) + endif() + #message("DEBUG: ${LIBRARIES} = ${${LIBRARIES}}") +endmacro() + +set(LAPACK_LINKER_FLAGS) +set(LAPACK_LIBRARIES) +set(LAPACK95_LIBRARIES) + +if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED) + find_package(BLAS) +else() + find_package(BLAS REQUIRED) +endif() + +if(BLAS_FOUND) + set(LAPACK_LINKER_FLAGS ${BLAS_LINKER_FLAGS}) + if(NOT $ENV{BLA_VENDOR} STREQUAL "") + set(BLA_VENDOR $ENV{BLA_VENDOR}) + else() + if(NOT BLA_VENDOR) + set(BLA_VENDOR "All") + endif() + endif() + + # LAPACK in the Intel MKL 10+ library? + if(BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + if(CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED) + # System-specific settings + if(NOT WIN32) + set(LAPACK_mkl_LM "-lm") + set(LAPACK_mkl_LDL "-ldl") + endif() + + if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED) + find_package(Threads) + else() + find_package(Threads REQUIRED) + endif() + + if(BLA_VENDOR MATCHES "_64ilp") + set(LAPACK_mkl_ILP_MODE "ilp64") + else() + set(LAPACK_mkl_ILP_MODE "lp64") + endif() + + set(LAPACK_SEARCH_LIBS "") + + if(BLA_F95) + set(LAPACK_mkl_SEARCH_SYMBOL "cheev_f95") + set(_LIBRARIES LAPACK95_LIBRARIES) + set(_BLAS_LIBRARIES ${BLAS95_LIBRARIES}) + + # old + list(APPEND LAPACK_SEARCH_LIBS + "mkl_lapack95") + # new >= 10.3 + list(APPEND LAPACK_SEARCH_LIBS + "mkl_intel_c") + list(APPEND LAPACK_SEARCH_LIBS + "mkl_lapack95_${LAPACK_mkl_ILP_MODE}") + else() + set(LAPACK_mkl_SEARCH_SYMBOL "cheev") + set(_LIBRARIES LAPACK_LIBRARIES) + set(_BLAS_LIBRARIES ${BLAS_LIBRARIES}) + + # old and new >= 10.3 + list(APPEND LAPACK_SEARCH_LIBS + "mkl_lapack") + endif() + + # MKL uses a multitude of partially platform-specific subdirectories: + if(BLA_VENDOR STREQUAL "Intel10_32") + set(LAPACK_mkl_ARCH_NAME "ia32") + else() + set(LAPACK_mkl_ARCH_NAME "intel64") + endif() + if(WIN32) + set(LAPACK_mkl_OS_NAME "win") + elseif(APPLE) + set(LAPACK_mkl_OS_NAME "mac") + else() + set(LAPACK_mkl_OS_NAME "lin") + endif() + if(DEFINED ENV{MKLROOT}) + file(TO_CMAKE_PATH "$ENV{MKLROOT}" LAPACK_mkl_MKLROOT) + # If MKLROOT points to the subdirectory 'mkl', use the parent directory instead + # so we can better detect other relevant libraries in 'compiler' or 'tbb': + get_filename_component(LAPACK_mkl_MKLROOT_LAST_DIR "${LAPACK_mkl_MKLROOT}" NAME) + if(LAPACK_mkl_MKLROOT_LAST_DIR STREQUAL "mkl") + get_filename_component(LAPACK_mkl_MKLROOT "${LAPACK_mkl_MKLROOT}" DIRECTORY) + endif() + endif() + set(LAPACK_mkl_LIB_PATH_SUFFIXES + "compiler/lib" "compiler/lib/${LAPACK_mkl_ARCH_NAME}_${LAPACK_mkl_OS_NAME}" + "mkl/lib" "mkl/lib/${LAPACK_mkl_ARCH_NAME}_${LAPACK_mkl_OS_NAME}" + "lib/${LAPACK_mkl_ARCH_NAME}_${LAPACK_mkl_OS_NAME}") + + # First try empty lapack libs + if(NOT ${_LIBRARIES}) + check_lapack_libraries( + ${_LIBRARIES} + LAPACK + ${LAPACK_mkl_SEARCH_SYMBOL} + "" + "" + "${CMAKE_THREAD_LIBS_INIT};${LAPACK_mkl_LM};${LAPACK_mkl_LDL}" + "${LAPACK_mkl_MKLROOT}" + "${LAPACK_mkl_LIB_PATH_SUFFIXES}" + "${_BLAS_LIBRARIES}" + ) + endif() + + # Then try the search libs + foreach(IT ${LAPACK_SEARCH_LIBS}) + string(REPLACE " " ";" SEARCH_LIBS ${IT}) + if(NOT ${_LIBRARIES}) + check_lapack_libraries( + ${_LIBRARIES} + LAPACK + ${LAPACK_mkl_SEARCH_SYMBOL} + "" + "${SEARCH_LIBS}" + "${CMAKE_THREAD_LIBS_INIT};${LAPACK_mkl_LM};${LAPACK_mkl_LDL}" + "${LAPACK_mkl_MKLROOT}" + "${LAPACK_mkl_LIB_PATH_SUFFIXES}" + "${_BLAS_LIBRARIES}" + ) + endif() + endforeach() + + unset(LAPACK_mkl_ILP_MODE) + unset(LAPACK_mkl_SEARCH_SYMBOL) + unset(LAPACK_mkl_LM) + unset(LAPACK_mkl_LDL) + unset(LAPACK_mkl_MKLROOT) + unset(LAPACK_mkl_ARCH_NAME) + unset(LAPACK_mkl_OS_NAME) + unset(LAPACK_mkl_LIB_PATH_SUFFIXES) + endif() + endif() + endif() + + # gotoblas? (http://www.tacc.utexas.edu/tacc-projects/gotoblas2) + if(BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "goto2" + "" + "" + "" + "${BLAS_LIBRARIES}" + ) + endif() + endif() + + # OpenBLAS? (http://www.openblas.net) + if(BLA_VENDOR STREQUAL "OpenBLAS" OR BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "openblas" + "" + "" + "" + "${BLAS_LIBRARIES}" + ) + endif() + endif() + + # ArmPL? (https://developer.arm.com/tools-and-software/server-and-hpc/compile/arm-compiler-for-linux/arm-performance-libraries) + if(BLA_VENDOR MATCHES "Arm" OR BLA_VENDOR STREQUAL "All") + + # Check for 64bit Integer support + if(BLA_VENDOR MATCHES "_ilp64") + set(LAPACK_armpl_LIB "armpl_ilp64") + else() + set(LAPACK_armpl_LIB "armpl_lp64") + endif() + + # Check for OpenMP support, VIA BLA_VENDOR of Arm_mp or Arm_ipl64_mp + if(BLA_VENDOR MATCHES "_mp") + set(LAPACK_armpl_LIB "${LAPACK_armpl_LIB}_mp") + endif() + + if(NOT LAPACK_LIBRARIES) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "${LAPACK_armpl_LIB}" + "" + "" + "" + "${BLAS_LIBRARIES}" + ) + endif() + endif() + + # FLAME's blis library? (https://github.com/flame/blis) + if(BLA_VENDOR STREQUAL "FLAME" OR BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "flame" + "" + "" + "" + "${BLAS_LIBRARIES}" + ) + endif() + endif() + + # BLAS in acml library? + if(BLA_VENDOR MATCHES "ACML" OR BLA_VENDOR STREQUAL "All") + if(BLAS_LIBRARIES MATCHES ".+acml.+") + set(LAPACK_LIBRARIES ${BLAS_LIBRARIES}) + endif() + endif() + + # Apple LAPACK library? + if(BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "Accelerate" + "" + "" + "" + "${BLAS_LIBRARIES}" + ) + endif() + endif() + + # Apple NAS (vecLib) library? + if(BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "vecLib" + "" + "" + "" + "${BLAS_LIBRARIES}" + ) + endif() + endif() + + # Generic LAPACK library? + if(BLA_VENDOR STREQUAL "Generic" OR + BLA_VENDOR STREQUAL "ATLAS" OR + BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "lapack" + "" + "" + "" + "${BLAS_LIBRARIES}" + ) + endif() + endif() +else() + message(STATUS "LAPACK requires BLAS") +endif() + +if(BLA_F95) + if(LAPACK95_LIBRARIES) + set(LAPACK95_FOUND TRUE) + else() + set(LAPACK95_FOUND FALSE) + endif() + if(NOT LAPACK_FIND_QUIETLY) + if(LAPACK95_FOUND) + message(STATUS "A library with LAPACK95 API found.") + else() + if(LAPACK_FIND_REQUIRED) + message(FATAL_ERROR + "A required library with LAPACK95 API not found. Please specify library location." + ) + else() + message(STATUS + "A library with LAPACK95 API not found. Please specify library location." + ) + endif() + endif() + endif() + set(LAPACK_FOUND "${LAPACK95_FOUND}") + set(LAPACK_LIBRARIES "${LAPACK95_LIBRARIES}") +else() + if(LAPACK_LIBRARIES) + set(LAPACK_FOUND TRUE) + else() + set(LAPACK_FOUND FALSE) + endif() + + if(NOT LAPACK_FIND_QUIETLY) + if(LAPACK_FOUND) + message(STATUS "A library with LAPACK API found.") + else() + if(LAPACK_FIND_REQUIRED) + message(FATAL_ERROR + "A required library with LAPACK API not found. Please specify library location." + ) + else() + message(STATUS + "A library with LAPACK API not found. Please specify library location." + ) + endif() + endif() + endif() +endif() + +# On compilers that implicitly link LAPACK (such as ftn, cc, and CC on Cray HPC machines) +# we used a placeholder for empty LAPACK_LIBRARIES to get through our logic above. +if(LAPACK_LIBRARIES STREQUAL "LAPACK_LIBRARIES-PLACEHOLDER-FOR-EMPTY-LIBRARIES") + set(LAPACK_LIBRARIES "") +endif() + +if(NOT TARGET LAPACK::LAPACK) + add_library(LAPACK::LAPACK INTERFACE IMPORTED) + set(_lapack_libs "${LAPACK_LIBRARIES}") + if(_lapack_libs AND TARGET BLAS::BLAS) + # remove the ${BLAS_LIBRARIES} from the interface and replace it + # with the BLAS::BLAS target + list(REMOVE_ITEM _lapack_libs "${BLAS_LIBRARIES}") + endif() + + if(_lapack_libs) + set_target_properties(LAPACK::LAPACK PROPERTIES + INTERFACE_LINK_LIBRARIES "${_lapack_libs}" + ) + endif() + unset(_lapack_libs) +endif() + +cmake_pop_check_state() +set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES}) |