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Diffstat (limited to 'Modules/FindLAPACK.cmake')
| -rw-r--r-- | Modules/FindLAPACK.cmake | 380 |
1 files changed, 224 insertions, 156 deletions
diff --git a/Modules/FindLAPACK.cmake b/Modules/FindLAPACK.cmake index a451e6ccd..3cb365394 100644 --- a/Modules/FindLAPACK.cmake +++ b/Modules/FindLAPACK.cmake @@ -1,47 +1,76 @@ # Distributed under the OSI-approved BSD 3-Clause License. See accompanying # file Copyright.txt or https://cmake.org/licensing for details. -#.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 -# +#[=======================================================================[.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: + + * ``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) + * ``Intel`` (obsolete versions of mkl 32 and 64 bit) + * ``OpenBLAS`` + * ``FLAME`` + * ``ACML`` + * ``Apple`` + * ``NAS`` + * ``Generic`` + +``BLA_F95`` + if ``ON`` tries to find BLAS95/LAPACK95 + +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 or CXX must be enabled to use Intel MKL + + For example, to use Intel MKL libraries and/or Intel compiler: + + .. code-block:: cmake + + set(BLA_VENDOR Intel10_64lp) + find_package(LAPACK) +#]=======================================================================] set(_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES}) @@ -94,6 +123,9 @@ if (NOT _libdir) set(_libdir ENV LD_LIBRARY_PATH) endif () endif () + +list(APPEND _libdir "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}") + foreach(_library ${_list}) set(_combined_name ${_combined_name}_${_library}) @@ -108,7 +140,7 @@ foreach(_library ${_list}) set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES}) endif () else () - if (CMAKE_SYSTEM_NAME STREQUAL "Linux") + if (CMAKE_SYSTEM_NAME STREQUAL "Linux") # for ubuntu's libblas3gf and liblapack3gf packages set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} .so.3gf) endif () @@ -137,13 +169,16 @@ if(_libraries_work) check_fortran_function_exists(${_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} ${_threads}) + if("${_list}${_blas}" STREQUAL "") + set(${LIBRARIES} "${LIBRARIES}-PLACEHOLDER-FOR-EMPTY-LIBRARIES") + else() + set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threads}) + endif() else() set(${LIBRARIES} FALSE) endif() @@ -173,6 +208,86 @@ if(BLAS_FOUND) endif() endif () +#intel lapack +if (BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + if (NOT WIN32) + set(LAPACK_mkl_LM "-lm") + set(LAPACK_mkl_LDL "-ldl") + 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() + + 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 + list(APPEND LAPACK_SEARCH_LIBS + "mkl_lapack") + endif() + + # First try empty lapack libs + if (NOT ${_LIBRARIES}) + check_lapack_libraries( + ${_LIBRARIES} + LAPACK + ${LAPACK_mkl_SEARCH_SYMBOL} + "" + "" + "${_BLAS_LIBRARIES}" + "" + ) + endif () + # Then try the search libs + foreach (IT ${LAPACK_SEARCH_LIBS}) + if (NOT ${_LIBRARIES}) + check_lapack_libraries( + ${_LIBRARIES} + LAPACK + ${LAPACK_mkl_SEARCH_SYMBOL} + "" + "${IT}" + "${_BLAS_LIBRARIES}" + "${CMAKE_THREAD_LIBS_INIT};${LAPACK_mkl_LM};${LAPACK_mkl_LDL}" + ) + endif () + endforeach () + + unset(LAPACK_mkl_ILP_MODE) + unset(LAPACK_mkl_SEARCH_SYMBOL) + unset(LAPACK_mkl_LM) + unset(LAPACK_mkl_LDL) + endif () + endif() +endif() + if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All") if(NOT LAPACK_LIBRARIES) check_lapack_libraries( @@ -201,27 +316,41 @@ if (BLA_VENDOR STREQUAL "OpenBLAS" OR BLA_VENDOR STREQUAL "All") endif() endif () -#acml lapack - if (BLA_VENDOR MATCHES "ACML" OR BLA_VENDOR STREQUAL "All") - if (BLAS_LIBRARIES MATCHES ".+acml.+") - set (LAPACK_LIBRARIES ${BLAS_LIBRARIES}) - endif () - endif () - -# Apple LAPACK library? -if (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All") +if (BLA_VENDOR STREQUAL "FLAME" OR BLA_VENDOR STREQUAL "All") if(NOT LAPACK_LIBRARIES) check_lapack_libraries( LAPACK_LIBRARIES LAPACK cheev "" - "Accelerate" + "flame" "${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( @@ -251,123 +380,62 @@ if (BLA_VENDOR STREQUAL "Generic" OR ) 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};${LM}" - ) - endif () - endforeach () - endif () -endif() else() message(STATUS "LAPACK requires BLAS") endif() if(BLA_F95) - if(LAPACK95_LIBRARIES) - set(LAPACK95_FOUND TRUE) - else() - set(LAPACK95_FOUND FALSE) - endif() - if(NOT LAPACK_FIND_QUIETLY) - if(LAPACK95_FOUND) - message(STATUS "A library with LAPACK95 API found.") + if(LAPACK95_LIBRARIES) + set(LAPACK95_FOUND TRUE) else() - if(LAPACK_FIND_REQUIRED) - message(FATAL_ERROR - "A required library with LAPACK95 API not found. Please specify library location." - ) + set(LAPACK95_FOUND FALSE) + endif() + if(NOT LAPACK_FIND_QUIETLY) + if(LAPACK95_FOUND) + message(STATUS "A library with LAPACK95 API found.") else() - message(STATUS - "A library with LAPACK95 API not found. Please specify library location." - ) + if(LAPACK_FIND_REQUIRED) + message(FATAL_ERROR + "A required library with LAPACK95 API not found. Please specify library location." + ) + else() + message(STATUS + "A library with LAPACK95 API not found. Please specify library location." + ) + endif() endif() endif() - endif() - set(LAPACK_FOUND "${LAPACK95_FOUND}") - set(LAPACK_LIBRARIES "${LAPACK95_LIBRARIES}") + set(LAPACK_FOUND "${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.") + if(LAPACK_LIBRARIES) + set(LAPACK_FOUND TRUE) else() - if(LAPACK_FIND_REQUIRED) - message(FATAL_ERROR - "A required library with LAPACK API not found. Please specify library location." - ) + set(LAPACK_FOUND FALSE) + endif() + + if(NOT LAPACK_FIND_QUIETLY) + if(LAPACK_FOUND) + message(STATUS "A library with LAPACK API found.") else() - message(STATUS - "A library with LAPACK API not found. Please specify library location." - ) + 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() +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() cmake_pop_check_state() |