#.rst: # FindBLAS # -------- # # Find BLAS library # # This module finds an installed fortran library that implements the # BLAS linear-algebra interface (see http://www.netlib.org/blas/). The # list of libraries searched for is taken from the autoconf macro file, # acx_blas.m4 (distributed at # http://ac-archive.sourceforge.net/ac-archive/acx_blas.html). # # This module sets the following variables: # # :: # # BLAS_FOUND - set to true if a library implementing the BLAS interface # is found # BLAS_LINKER_FLAGS - uncached list of required linker flags (excluding -l # and -L). # BLAS_LIBRARIES - uncached list of libraries (using full path name) to # link against to use BLAS # BLAS95_LIBRARIES - uncached list of libraries (using full path name) # to link against to use BLAS95 interface # BLAS95_FOUND - set to true if a library implementing the BLAS 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 # # Goto,OpenBLAS,ATLAS PhiPACK,CXML,DXML,SunPerf,SCSL,SGIMATH,IBMESSL, # Intel10_32 (intel mkl v10 32 bit),Intel10_64lp (intel mkl v10 64 bit, # lp thread model, lp64 model), # Intel10_64lp_seq (intel mkl v10 64 # bit,sequential code, lp64 model), # Intel( older versions of mkl 32 # and 64 bit), ACML,ACML_MP,ACML_GPU,Apple, NAS, Generic C/CXX should be # enabled to use Intel mkl #============================================================================= # 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(CMAKE_REQUIRED_QUIET ${BLAS_FIND_QUIETLY}) set(_blas_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(BLAS_FIND_REQUIRED) message(FATAL_ERROR "FindBLAS requires Fortran, C, or C++ to be enabled.") else() message(STATUS "Looking for BLAS... - NOT found (Unsupported languages)") return() endif() endif() macro( Check_Fortran_Libraries LIBRARIES _prefix _name _flags _list _thread) # 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(_libdir ${ARGN}) set(_libraries_work TRUE) set(${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) set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_thread}) set(CMAKE_REQUIRED_LIBRARIES) mark_as_advanced(${_prefix}${_combined_name}_WORKS) set(_libraries_work ${${_prefix}${_combined_name}_WORKS}) endif() endmacro() set(BLAS_LINKER_FLAGS) set(BLAS_LIBRARIES) set(BLAS95_LIBRARIES) 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 BLAS_LIBRARIES) # gotoblas (http://www.tacc.utexas.edu/tacc-projects/gotoblas2) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "goto2" "") endif() endif() if(BLA_VENDOR STREQUAL "OpenBLAS" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) # OpenBLAS (http://www.openblas.net) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "openblas" "") endif() endif() if(BLA_VENDOR STREQUAL "ATLAS" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) # BLAS in ATLAS library? (http://math-atlas.sourceforge.net/) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS dgemm "" "f77blas;atlas" "") endif() endif() # BLAS in PhiPACK libraries? (requires generic BLAS lib, too) if(BLA_VENDOR STREQUAL "PhiPACK" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "sgemm;dgemm;blas" "") endif() endif() # BLAS in Alpha CXML library? if(BLA_VENDOR STREQUAL "CXML" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "cxml" "") endif() endif() # BLAS in Alpha DXML library? (now called CXML, see above) if(BLA_VENDOR STREQUAL "DXML" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "dxml" "") endif() endif() # BLAS in Sun Performance library? if(BLA_VENDOR STREQUAL "SunPerf" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "-xlic_lib=sunperf" "sunperf;sunmath" "") if(BLAS_LIBRARIES) set(BLAS_LINKER_FLAGS "-xlic_lib=sunperf") endif() endif() endif() # BLAS in SCSL library? (SGI/Cray Scientific Library) if(BLA_VENDOR STREQUAL "SCSL" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "scsl" "") endif() endif() # BLAS in SGIMATH library? if(BLA_VENDOR STREQUAL "SGIMATH" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "complib.sgimath" "") endif() endif() # BLAS in IBM ESSL library? (requires generic BLAS lib, too) if(BLA_VENDOR STREQUAL "IBMESSL" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "essl;blas" "") endif() endif() #BLAS in acml library? if(BLA_VENDOR MATCHES "ACML" OR BLA_VENDOR STREQUAL "All") if(((BLA_VENDOR STREQUAL "ACML") AND (NOT BLAS_ACML_LIB_DIRS)) OR ((BLA_VENDOR STREQUAL "ACML_MP") AND (NOT BLAS_ACML_MP_LIB_DIRS)) OR ((BLA_VENDOR STREQUAL "ACML_GPU") AND (NOT BLAS_ACML_GPU_LIB_DIRS))) # try to find acml in "standard" paths if(WIN32) file(GLOB _ACML_ROOT "C:/AMD/acml*/ACML-EULA.txt") else() file(GLOB _ACML_ROOT "/opt/acml*/ACML-EULA.txt") endif() if(WIN32) file(GLOB _ACML_GPU_ROOT "C:/AMD/acml*/GPGPUexamples") else() file(GLOB _ACML_GPU_ROOT "/opt/acml*/GPGPUexamples") endif() list(GET _ACML_ROOT 0 _ACML_ROOT) list(GET _ACML_GPU_ROOT 0 _ACML_GPU_ROOT) if(_ACML_ROOT) get_filename_component(_ACML_ROOT ${_ACML_ROOT} PATH) if(SIZEOF_INTEGER EQUAL 8) set(_ACML_PATH_SUFFIX "_int64") else() set(_ACML_PATH_SUFFIX "") endif() if(CMAKE_Fortran_COMPILER_ID STREQUAL "Intel") set(_ACML_COMPILER32 "ifort32") set(_ACML_COMPILER64 "ifort64") elseif(CMAKE_Fortran_COMPILER_ID STREQUAL "SunPro") set(_ACML_COMPILER32 "sun32") set(_ACML_COMPILER64 "sun64") elseif(CMAKE_Fortran_COMPILER_ID STREQUAL "PGI") set(_ACML_COMPILER32 "pgi32") if(WIN32) set(_ACML_COMPILER64 "win64") else() set(_ACML_COMPILER64 "pgi64") endif() elseif(CMAKE_Fortran_COMPILER_ID STREQUAL "Open64") # 32 bit builds not supported on Open64 but for code simplicity # We'll just use the same directory twice set(_ACML_COMPILER32 "open64_64") set(_ACML_COMPILER64 "open64_64") elseif(CMAKE_Fortran_COMPILER_ID STREQUAL "NAG") set(_ACML_COMPILER32 "nag32") set(_ACML_COMPILER64 "nag64") else() set(_ACML_COMPILER32 "gfortran32") set(_ACML_COMPILER64 "gfortran64") endif() if(BLA_VENDOR STREQUAL "ACML_MP") set(_ACML_MP_LIB_DIRS "${_ACML_ROOT}/${_ACML_COMPILER32}_mp${_ACML_PATH_SUFFIX}/lib" "${_ACML_ROOT}/${_ACML_COMPILER64}_mp${_ACML_PATH_SUFFIX}/lib") else() set(_ACML_LIB_DIRS "${_ACML_ROOT}/${_ACML_COMPILER32}${_ACML_PATH_SUFFIX}/lib" "${_ACML_ROOT}/${_ACML_COMPILER64}${_ACML_PATH_SUFFIX}/lib") endif() endif() elseif(BLAS_${BLA_VENDOR}_LIB_DIRS) set(_${BLA_VENDOR}_LIB_DIRS ${BLAS_${BLA_VENDOR}_LIB_DIRS}) endif() if(BLA_VENDOR STREQUAL "ACML_MP") foreach(BLAS_ACML_MP_LIB_DIRS ${_ACML_MP_LIB_DIRS}) Check_Fortran_Libraries( BLAS_LIBRARIES BLAS sgemm "" "acml_mp;acml_mv" "" ${BLAS_ACML_MP_LIB_DIRS}) if(BLAS_LIBRARIES) break() endif() endforeach() elseif(BLA_VENDOR STREQUAL "ACML_GPU") foreach(BLAS_ACML_GPU_LIB_DIRS ${_ACML_GPU_LIB_DIRS}) Check_Fortran_Libraries( BLAS_LIBRARIES BLAS sgemm "" "acml;acml_mv;CALBLAS" "" ${BLAS_ACML_GPU_LIB_DIRS}) if(BLAS_LIBRARIES) break() endif() endforeach() else() foreach(BLAS_ACML_LIB_DIRS ${_ACML_LIB_DIRS}) Check_Fortran_Libraries( BLAS_LIBRARIES BLAS sgemm "" "acml;acml_mv" "" ${BLAS_ACML_LIB_DIRS}) if(BLAS_LIBRARIES) break() endif() endforeach() endif() # Either acml or acml_mp should be in LD_LIBRARY_PATH but not both if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "acml;acml_mv" "") endif() if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "acml_mp;acml_mv" "") endif() if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "acml;acml_mv;CALBLAS" "") endif() endif() # ACML # Apple BLAS library? if(BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS dgemm "" "Accelerate" "") endif() endif() if(BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS dgemm "" "vecLib" "") endif() endif() # Generic BLAS library? if(BLA_VENDOR STREQUAL "Generic" OR BLA_VENDOR STREQUAL "All") if(NOT BLAS_LIBRARIES) Check_Fortran_Libraries(BLAS_LIBRARIES BLAS sgemm "" "blas" "") endif() endif() #BLAS in intel mkl 10 library? (em64t 64bit) if(BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All") if(NOT WIN32) set(LM "-lm") endif() if(CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED) if(BLAS_FIND_QUIETLY OR NOT BLAS_FIND_REQUIRED) find_package(Threads) else() find_package(Threads REQUIRED) endif() set(BLAS_SEARCH_LIBS "") if(BLA_F95) set(BLAS_mkl_SEARCH_SYMBOL SGEMM) set(_LIBRARIES BLAS95_LIBRARIES) if(WIN32) if(BLA_STATIC) set(BLAS_mkl_DLL_SUFFIX "") else() set(BLAS_mkl_DLL_SUFFIX "_dll") endif() # Find the main file (32-bit or 64-bit) set(BLAS_SEARCH_LIBS_WIN_MAIN "") if(BLA_VENDOR STREQUAL "Intel10_32" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS_WIN_MAIN "mkl_blas95${BLAS_mkl_DLL_SUFFIX} mkl_intel_c${BLAS_mkl_DLL_SUFFIX}") endif() if(BLA_VENDOR MATCHES "^Intel10_64lp" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS_WIN_MAIN "mkl_blas95_lp64${BLAS_mkl_DLL_SUFFIX} mkl_intel_lp64${BLAS_mkl_DLL_SUFFIX}") endif() # Add threading/sequential libs set(BLAS_SEARCH_LIBS_WIN_THREAD "") if(BLA_VENDOR MATCHES "_seq$" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS_WIN_THREAD "mkl_sequential${BLAS_mkl_DLL_SUFFIX}") endif() if(NOT BLA_VENDOR MATCHES "_seq$" OR BLA_VENDOR STREQUAL "All") # old version list(APPEND BLAS_SEARCH_LIBS_WIN_THREAD "libguide40 mkl_intel_thread${BLAS_mkl_DLL_SUFFIX}") # mkl >= 10.3 list(APPEND BLAS_SEARCH_LIBS_WIN_THREAD "libiomp5md mkl_intel_thread${BLAS_mkl_DLL_SUFFIX}") endif() # Cartesian product of the above foreach(MAIN ${BLAS_SEARCH_LIBS_WIN_MAIN}) foreach(THREAD ${BLAS_SEARCH_LIBS_WIN_THREAD}) list(APPEND BLAS_SEARCH_LIBS "${MAIN} ${THREAD} mkl_core${BLAS_mkl_DLL_SUFFIX}") endforeach() endforeach() else() if(BLA_VENDOR STREQUAL "Intel10_32" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS "mkl_blas95 mkl_intel mkl_intel_thread mkl_core guide") endif() if(BLA_VENDOR STREQUAL "Intel10_64lp" OR BLA_VENDOR STREQUAL "All") # old version list(APPEND BLAS_SEARCH_LIBS "mkl_blas95 mkl_intel_lp64 mkl_intel_thread mkl_core guide") # mkl >= 10.3 if(CMAKE_C_COMPILER MATCHES ".+gcc") list(APPEND BLAS_SEARCH_LIBS "mkl_blas95_lp64 mkl_intel_lp64 mkl_gnu_thread mkl_core gomp") else() list(APPEND BLAS_SEARCH_LIBS "mkl_blas95_lp64 mkl_intel_lp64 mkl_intel_thread mkl_core iomp5") endif() endif() if(BLA_VENDOR STREQUAL "Intel10_64lp_seq" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS "mkl_intel_lp64 mkl_sequential mkl_core") endif() endif() else() set(BLAS_mkl_SEARCH_SYMBOL sgemm) set(_LIBRARIES BLAS_LIBRARIES) if(WIN32) if(BLA_STATIC) set(BLAS_mkl_DLL_SUFFIX "") else() set(BLAS_mkl_DLL_SUFFIX "_dll") endif() # Find the main file (32-bit or 64-bit) set(BLAS_SEARCH_LIBS_WIN_MAIN "") if(BLA_VENDOR STREQUAL "Intel10_32" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS_WIN_MAIN "mkl_intel_c${BLAS_mkl_DLL_SUFFIX}") endif() if(BLA_VENDOR MATCHES "^Intel10_64lp" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS_WIN_MAIN "mkl_intel_lp64${BLAS_mkl_DLL_SUFFIX}") endif() # Add threading/sequential libs set(BLAS_SEARCH_LIBS_WIN_THREAD "") if(NOT BLA_VENDOR MATCHES "_seq$" OR BLA_VENDOR STREQUAL "All") # old version list(APPEND BLAS_SEARCH_LIBS_WIN_THREAD "libguide40 mkl_intel_thread${BLAS_mkl_DLL_SUFFIX}") # mkl >= 10.3 list(APPEND BLAS_SEARCH_LIBS_WIN_THREAD "libiomp5md mkl_intel_thread${BLAS_mkl_DLL_SUFFIX}") endif() if(BLA_VENDOR MATCHES "_seq$" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS_WIN_THREAD "mkl_sequential${BLAS_mkl_DLL_SUFFIX}") endif() # Cartesian product of the above foreach(MAIN ${BLAS_SEARCH_LIBS_WIN_MAIN}) foreach(THREAD ${BLAS_SEARCH_LIBS_WIN_THREAD}) list(APPEND BLAS_SEARCH_LIBS "${MAIN} ${THREAD} mkl_core${BLAS_mkl_DLL_SUFFIX}") endforeach() endforeach() else() if(BLA_VENDOR STREQUAL "Intel10_32" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS "mkl_intel mkl_intel_thread mkl_core guide") endif() if(BLA_VENDOR STREQUAL "Intel10_64lp" OR BLA_VENDOR STREQUAL "All") # old version list(APPEND BLAS_SEARCH_LIBS "mkl_intel_lp64 mkl_intel_thread mkl_core guide") # mkl >= 10.3 if(CMAKE_C_COMPILER MATCHES ".+gcc") list(APPEND BLAS_SEARCH_LIBS "mkl_intel_lp64 mkl_gnu_thread mkl_core gomp") else() list(APPEND BLAS_SEARCH_LIBS "mkl_intel_lp64 mkl_intel_thread mkl_core iomp5") endif() endif() if(BLA_VENDOR STREQUAL "Intel10_64lp_seq" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS "mkl_intel_lp64 mkl_sequential mkl_core") endif() #older vesions of intel mkl libs if(BLA_VENDOR STREQUAL "Intel" OR BLA_VENDOR STREQUAL "All") list(APPEND BLAS_SEARCH_LIBS "mkl") list(APPEND BLAS_SEARCH_LIBS "mkl_ia32") list(APPEND BLAS_SEARCH_LIBS "mkl_em64t") endif() endif() endif() foreach(IT ${BLAS_SEARCH_LIBS}) string(REPLACE " " ";" SEARCH_LIBS ${IT}) if(${_LIBRARIES}) else() Check_Fortran_Libraries(${_LIBRARIES} BLAS ${BLAS_mkl_SEARCH_SYMBOL} "" "${SEARCH_LIBS}" "${CMAKE_THREAD_LIBS_INIT};${LM}") endif() endforeach() endif() endif() if(BLA_F95) if(BLAS95_LIBRARIES) set(BLAS95_FOUND TRUE) else() set(BLAS95_FOUND FALSE) endif() if(NOT BLAS_FIND_QUIETLY) if(BLAS95_FOUND) message(STATUS "A library with BLAS95 API found.") else() if(BLAS_FIND_REQUIRED) message( FATAL_ERROR "A required library with BLAS95 API not found. Please specify library location.") else() message(STATUS "A library with BLAS95 API not found. Please specify library location.") endif() endif() endif() set(BLAS_FOUND TRUE) set(BLAS_LIBRARIES "${BLAS95_LIBRARIES}") else() if(BLAS_LIBRARIES) set(BLAS_FOUND TRUE) else() set(BLAS_FOUND FALSE) endif() if(NOT BLAS_FIND_QUIETLY) if(BLAS_FOUND) message(STATUS "A library with BLAS API found.") else() if(BLAS_FIND_REQUIRED) message( FATAL_ERROR "A required library with BLAS API not found. Please specify library location." ) else() message(STATUS "A library with BLAS API not found. Please specify library location.") endif() endif() endif() endif() set(CMAKE_FIND_LIBRARY_SUFFIXES ${_blas_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})