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-#.rst:
-# FindLAPACK
-# ----------
-#
-# Find 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).
-#
-# This module sets the following variables:
-#
-# ::
-#
-# LAPACK_FOUND - set to true if a 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 - set to true if a library implementing the LAPACK f95
-# interface is found
-# BLA_STATIC if set on this determines what kind of linkage we do (static)
-# BLA_VENDOR if set checks only the specified vendor, if not set checks
-# all the possibilities
-# BLA_F95 if set on tries to find the f95 interfaces for BLAS/LAPACK
-#
-# ## List of vendors (BLA_VENDOR) valid in this module # Intel(mkl),
-# OpenBLAS, ACML,Apple, NAS, Generic
-
-#=============================================================================
-# Copyright 2007-2009 Kitware, Inc.
-#
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file Copyright.txt for details.
-#
-# This software is distributed WITHOUT ANY WARRANTY; without even the
-# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the License for more information.
-#=============================================================================
-# (To distribute this file outside of CMake, substitute the full
-# License text for the above reference.)
-
-set(_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
-
-# Check the language being used
-if( NOT (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED OR CMAKE_Fortran_COMPILER_LOADED) )
- if(LAPACK_FIND_REQUIRED)
- message(FATAL_ERROR "FindLAPACK requires Fortran, C, or C++ to be enabled.")
- else()
- message(STATUS "Looking for LAPACK... - NOT found (Unsupported languages)")
- return()
- endif()
-endif()
-
-if (CMAKE_Fortran_COMPILER_LOADED)
-include(${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 ${LAPACK_FIND_QUIETLY})
-
-set(LAPACK_FOUND FALSE)
-set(LAPACK95_FOUND FALSE)
-
-# TODO: move this stuff to separate module
-
-macro(Check_Lapack_Libraries LIBRARIES _prefix _name _flags _list _blas _threads)
-# This macro checks for the existence of the combination of fortran libraries
-# given by _list. If the combination is found, this macro checks (using the
-# Check_Fortran_Function_Exists macro) whether can link against that library
-# combination using the name of a routine given by _name using the linker
-# flags given by _flags. If the combination of libraries is found and passes
-# the link test, LIBRARIES is set to the list of complete library paths that
-# have been found. Otherwise, LIBRARIES is set to FALSE.
-
-# N.B. _prefix is the prefix applied to the names of all cached variables that
-# are generated internally and marked advanced by this macro.
-
-set(_libraries_work TRUE)
-set(${LIBRARIES})
-set(_combined_name)
-if (NOT _libdir)
- if (WIN32)
- set(_libdir ENV LIB)
- elseif (APPLE)
- set(_libdir ENV DYLD_LIBRARY_PATH)
- else ()
- set(_libdir ENV LD_LIBRARY_PATH)
- endif ()
-endif ()
-foreach(_library ${_list})
- set(_combined_name ${_combined_name}_${_library})
-
- if(_libraries_work)
- if (BLA_STATIC)
- if (WIN32)
- set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
- endif ()
- if (APPLE)
- 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 ${CMAKE_FIND_LIBRARY_SUFFIXES} .so.3gf)
- endif ()
- endif ()
- find_library(${_prefix}_${_library}_LIBRARY
- NAMES ${_library}
- PATHS ${_libdir}
- )
- mark_as_advanced(${_prefix}_${_library}_LIBRARY)
- set(${LIBRARIES} ${${LIBRARIES}} ${${_prefix}_${_library}_LIBRARY})
- set(_libraries_work ${${_prefix}_${_library}_LIBRARY})
- endif()
-endforeach()
-
-if(_libraries_work)
- # Test this combination of libraries.
- if(UNIX AND BLA_STATIC)
- set(CMAKE_REQUIRED_LIBRARIES ${_flags} "-Wl,--start-group" ${${LIBRARIES}} ${_blas} "-Wl,--end-group" ${_threads})
- else()
- set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_blas} ${_threads})
- endif()
-# message("DEBUG: CMAKE_REQUIRED_LIBRARIES = ${CMAKE_REQUIRED_LIBRARIES}")
- if (NOT CMAKE_Fortran_COMPILER_LOADED)
- check_function_exists("${_name}_" ${_prefix}${_combined_name}_WORKS)
- else ()
- check_fortran_function_exists(${_name} ${_prefix}${_combined_name}_WORKS)
- endif ()
- set(CMAKE_REQUIRED_LIBRARIES)
- mark_as_advanced(${_prefix}${_combined_name}_WORKS)
- set(_libraries_work ${${_prefix}${_combined_name}_WORKS})
- #message("DEBUG: ${LIBRARIES} = ${${LIBRARIES}}")
-endif()
-
- if(_libraries_work)
- set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threads})
- else()
- set(${LIBRARIES} FALSE)
- endif()
-
-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 $ENV{BLA_VENDOR})
- else ()
- if(NOT BLA_VENDOR)
- set(BLA_VENDOR "All")
- endif()
- endif ()
-
-if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All")
- if(NOT LAPACK_LIBRARIES)
- check_lapack_libraries(
- LAPACK_LIBRARIES
- LAPACK
- cheev
- ""
- "goto2"
- "${BLAS_LIBRARIES}"
- ""
- )
- endif()
-endif ()
-
-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 ()
-
-#acml lapack
- 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 ()
-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 ()
-#intel lapack
-if (BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
- if (NOT WIN32)
- set(LM "-lm")
- endif ()
- if (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED)
- if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
- find_PACKAGE(Threads)
- else()
- find_package(Threads REQUIRED)
- endif()
-
- set(LAPACK_SEARCH_LIBS "")
-
- if (BLA_F95)
- set(LAPACK_mkl_SEARCH_SYMBOL "CHEEV")
- 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_intel_lp64")
- else()
- set(LAPACK_mkl_SEARCH_SYMBOL "cheev")
- set(_LIBRARIES LAPACK_LIBRARIES)
- set(_BLAS_LIBRARIES ${BLAS_LIBRARIES})
-
- # old
- list(APPEND LAPACK_SEARCH_LIBS
- "mkl_lapack")
- # new >= 10.3
- list(APPEND LAPACK_SEARCH_LIBS
- "mkl_gf_lp64")
- endif()
-
- # First try empty lapack libs
- if (NOT ${_LIBRARIES})
- check_lapack_libraries(
- ${_LIBRARIES}
- BLAS
- ${LAPACK_mkl_SEARCH_SYMBOL}
- ""
- ""
- "${_BLAS_LIBRARIES}"
- "${CMAKE_THREAD_LIBS_INIT};${LM}"
- )
- endif ()
- # Then try the search libs
- foreach (IT ${LAPACK_SEARCH_LIBS})
- if (NOT ${_LIBRARIES})
- check_lapack_libraries(
- ${_LIBRARIES}
- BLAS
- ${LAPACK_mkl_SEARCH_SYMBOL}
- ""
- "${IT}"
- "${_BLAS_LIBRARIES}"
- "${CMAKE_THREAD_LIBS_INIT};${LM}"
- )
- endif ()
- endforeach ()
- endif ()
-endif()
-else()
- message(STATUS "LAPACK requires BLAS")
-endif()
-
-if(BLA_F95)
- if(LAPACK95_LIBRARIES)
- set(LAPACK95_FOUND TRUE)
- else()
- set(LAPACK95_FOUND FALSE)
- endif()
- if(NOT LAPACK_FIND_QUIETLY)
- if(LAPACK95_FOUND)
- message(STATUS "A library with LAPACK95 API found.")
- else()
- if(LAPACK_FIND_REQUIRED)
- message(FATAL_ERROR
- "A required library with LAPACK95 API not found. Please specify library location."
- )
- else()
- message(STATUS
- "A library with LAPACK95 API not found. Please specify library location."
- )
- endif()
- endif()
- endif()
- set(LAPACK_FOUND "${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})
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-04 12:32:15 +0000