mirror of
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431 lines
11 KiB
CMake
431 lines
11 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindLAPACK
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----------
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Find LAPACK library
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This module finds an installed fortran library that implements the
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LAPACK linear-algebra interface (see http://www.netlib.org/lapack/).
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The approach follows that taken for the autoconf macro file,
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acx_lapack.m4 (distributed at
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http://ac-archive.sourceforge.net/ac-archive/acx_lapack.html).
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Input Variables
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^^^^^^^^^^^^^^^
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The following variables may be set to influence this module's behavior:
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``BLA_STATIC``
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if ``ON`` use static linkage
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``BLA_VENDOR``
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If set, checks only the specified vendor, if not set checks all the
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possibilities. List of vendors valid in this module:
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* ``Intel10_32`` (intel mkl v10 32 bit)
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* ``Intel10_64lp`` (intel mkl v10+ 64 bit, threaded code, lp64 model)
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* ``Intel10_64lp_seq`` (intel mkl v10+ 64 bit, sequential code, lp64 model)
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* ``Intel10_64ilp`` (intel mkl v10+ 64 bit, threaded code, ilp64 model)
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* ``Intel10_64ilp_seq`` (intel mkl v10+ 64 bit, sequential code, ilp64 model)
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* ``Intel`` (obsolete versions of mkl 32 and 64 bit)
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* ``OpenBLAS``
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* ``FLAME``
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* ``ACML``
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* ``Apple``
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* ``NAS``
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* ``Generic``
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``BLA_F95``
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if ``ON`` tries to find BLAS95/LAPACK95
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Result Variables
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^^^^^^^^^^^^^^^^
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This module defines the following variables:
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``LAPACK_FOUND``
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library implementing the LAPACK interface is found
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``LAPACK_LINKER_FLAGS``
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uncached list of required linker flags (excluding -l and -L).
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``LAPACK_LIBRARIES``
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uncached list of libraries (using full path name) to link against
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to use LAPACK
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``LAPACK95_LIBRARIES``
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uncached list of libraries (using full path name) to link against
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to use LAPACK95
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``LAPACK95_FOUND``
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library implementing the LAPACK95 interface is found
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.. note::
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C or CXX must be enabled to use Intel MKL
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For example, to use Intel MKL libraries and/or Intel compiler:
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.. code-block:: cmake
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set(BLA_VENDOR Intel10_64lp)
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find_package(LAPACK)
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#]=======================================================================]
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set(_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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# Check the language being used
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if( NOT (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED OR CMAKE_Fortran_COMPILER_LOADED) )
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if(LAPACK_FIND_REQUIRED)
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message(FATAL_ERROR "FindLAPACK requires Fortran, C, or C++ to be enabled.")
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else()
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message(STATUS "Looking for LAPACK... - NOT found (Unsupported languages)")
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return()
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endif()
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endif()
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if (CMAKE_Fortran_COMPILER_LOADED)
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include(${CMAKE_CURRENT_LIST_DIR}/CheckFortranFunctionExists.cmake)
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else ()
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include(${CMAKE_CURRENT_LIST_DIR}/CheckFunctionExists.cmake)
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endif ()
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include(${CMAKE_CURRENT_LIST_DIR}/CMakePushCheckState.cmake)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_QUIET ${LAPACK_FIND_QUIETLY})
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set(LAPACK_FOUND FALSE)
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set(LAPACK95_FOUND FALSE)
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# TODO: move this stuff to separate module
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macro(Check_Lapack_Libraries LIBRARIES _prefix _name _flags _list _blas _threads)
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# This macro checks for the existence of the combination of fortran libraries
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# given by _list. If the combination is found, this macro checks (using the
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# Check_Fortran_Function_Exists macro) whether can link against that library
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# combination using the name of a routine given by _name using the linker
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# flags given by _flags. If the combination of libraries is found and passes
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# the link test, LIBRARIES is set to the list of complete library paths that
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# have been found. Otherwise, LIBRARIES is set to FALSE.
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# N.B. _prefix is the prefix applied to the names of all cached variables that
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# are generated internally and marked advanced by this macro.
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set(_libraries_work TRUE)
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set(${LIBRARIES})
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set(_combined_name)
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if (NOT _libdir)
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if (WIN32)
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set(_libdir ENV LIB)
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elseif (APPLE)
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set(_libdir ENV DYLD_LIBRARY_PATH)
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else ()
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set(_libdir ENV LD_LIBRARY_PATH)
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endif ()
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endif ()
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list(APPEND _libdir "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}")
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foreach(_library ${_list})
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set(_combined_name ${_combined_name}_${_library})
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if(_libraries_work)
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if (BLA_STATIC)
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if (WIN32)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
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endif ()
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if (APPLE)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
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else ()
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set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
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endif ()
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else ()
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if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
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# for ubuntu's libblas3gf and liblapack3gf packages
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} .so.3gf)
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endif ()
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endif ()
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find_library(${_prefix}_${_library}_LIBRARY
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NAMES ${_library}
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PATHS ${_libdir}
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)
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mark_as_advanced(${_prefix}_${_library}_LIBRARY)
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set(${LIBRARIES} ${${LIBRARIES}} ${${_prefix}_${_library}_LIBRARY})
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set(_libraries_work ${${_prefix}_${_library}_LIBRARY})
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endif()
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endforeach()
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if(_libraries_work)
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# Test this combination of libraries.
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if(UNIX AND BLA_STATIC)
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set(CMAKE_REQUIRED_LIBRARIES ${_flags} "-Wl,--start-group" ${${LIBRARIES}} ${_blas} "-Wl,--end-group" ${_threads})
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else()
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set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_blas} ${_threads})
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endif()
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# message("DEBUG: CMAKE_REQUIRED_LIBRARIES = ${CMAKE_REQUIRED_LIBRARIES}")
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if (NOT CMAKE_Fortran_COMPILER_LOADED)
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check_function_exists("${_name}_" ${_prefix}${_combined_name}_WORKS)
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else ()
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check_fortran_function_exists(${_name} ${_prefix}${_combined_name}_WORKS)
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endif ()
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set(CMAKE_REQUIRED_LIBRARIES)
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set(_libraries_work ${${_prefix}${_combined_name}_WORKS})
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#message("DEBUG: ${LIBRARIES} = ${${LIBRARIES}}")
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endif()
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if(_libraries_work)
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set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threads})
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else()
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set(${LIBRARIES} FALSE)
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endif()
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endmacro()
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set(LAPACK_LINKER_FLAGS)
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set(LAPACK_LIBRARIES)
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set(LAPACK95_LIBRARIES)
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if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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find_package(BLAS)
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else()
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find_package(BLAS REQUIRED)
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endif()
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if(BLAS_FOUND)
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set(LAPACK_LINKER_FLAGS ${BLAS_LINKER_FLAGS})
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if (NOT $ENV{BLA_VENDOR} STREQUAL "")
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set(BLA_VENDOR $ENV{BLA_VENDOR})
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else ()
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if(NOT BLA_VENDOR)
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set(BLA_VENDOR "All")
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endif()
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endif ()
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#intel lapack
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if (BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
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if (NOT WIN32)
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set(LAPACK_mkl_LM "-lm")
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set(LAPACK_mkl_LDL "-ldl")
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endif ()
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if (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED)
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if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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find_PACKAGE(Threads)
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else()
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find_package(Threads REQUIRED)
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endif()
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if (BLA_VENDOR MATCHES "_64ilp")
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set(LAPACK_mkl_ILP_MODE "ilp64")
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else ()
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set(LAPACK_mkl_ILP_MODE "lp64")
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endif ()
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set(LAPACK_SEARCH_LIBS "")
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if (BLA_F95)
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set(LAPACK_mkl_SEARCH_SYMBOL "cheev_f95")
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set(_LIBRARIES LAPACK95_LIBRARIES)
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set(_BLAS_LIBRARIES ${BLAS95_LIBRARIES})
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# old
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_lapack95")
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# new >= 10.3
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_intel_c")
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_lapack95_${LAPACK_mkl_ILP_MODE}")
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else()
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set(LAPACK_mkl_SEARCH_SYMBOL "cheev")
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set(_LIBRARIES LAPACK_LIBRARIES)
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set(_BLAS_LIBRARIES ${BLAS_LIBRARIES})
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# old
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_lapack")
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endif()
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# First try empty lapack libs
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if (NOT ${_LIBRARIES})
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check_lapack_libraries(
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${_LIBRARIES}
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LAPACK
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${LAPACK_mkl_SEARCH_SYMBOL}
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""
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""
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"${_BLAS_LIBRARIES}"
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""
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)
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endif ()
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# Then try the search libs
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foreach (IT ${LAPACK_SEARCH_LIBS})
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if (NOT ${_LIBRARIES})
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check_lapack_libraries(
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${_LIBRARIES}
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LAPACK
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${LAPACK_mkl_SEARCH_SYMBOL}
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""
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"${IT}"
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"${_BLAS_LIBRARIES}"
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"${CMAKE_THREAD_LIBS_INIT};${LAPACK_mkl_LM};${LAPACK_mkl_LDL}"
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)
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endif ()
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endforeach ()
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unset(LAPACK_mkl_ILP_MODE)
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unset(LAPACK_mkl_SEARCH_SYMBOL)
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unset(LAPACK_mkl_LM)
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unset(LAPACK_mkl_LDL)
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endif ()
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endif()
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if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"goto2"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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if (BLA_VENDOR STREQUAL "OpenBLAS" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"openblas"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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if (BLA_VENDOR STREQUAL "FLAME" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"flame"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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#acml lapack
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if (BLA_VENDOR MATCHES "ACML" OR BLA_VENDOR STREQUAL "All")
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if (BLAS_LIBRARIES MATCHES ".+acml.+")
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set (LAPACK_LIBRARIES ${BLAS_LIBRARIES})
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endif ()
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endif ()
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# Apple LAPACK library?
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if (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"Accelerate"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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if (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All")
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if ( NOT LAPACK_LIBRARIES )
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"vecLib"
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"${BLAS_LIBRARIES}"
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""
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)
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endif ()
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endif ()
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# Generic LAPACK library?
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||
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if (BLA_VENDOR STREQUAL "Generic" OR
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BLA_VENDOR STREQUAL "ATLAS" OR
|
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BLA_VENDOR STREQUAL "All")
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if ( NOT LAPACK_LIBRARIES )
|
||
|
|
check_lapack_libraries(
|
||
|
|
LAPACK_LIBRARIES
|
||
|
|
LAPACK
|
||
|
|
cheev
|
||
|
|
""
|
||
|
|
"lapack"
|
||
|
|
"${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()
|
||
|
|
|
||
|
|
cmake_pop_check_state()
|
||
|
|
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
|