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|
# - Find BLAS library
# This module finds an installed fortran library that implements the BLAS
# linear-algebra interface (see http://www.netlib.org/blas/).
#
# Note: This is loosely based off of but a complete re-write of cmake's
# included FindBLAS.cmake module
#
# This module sets the following variables:
# BLAS_FOUND - set to true if an appropriate BLAS library is found.
# BLAS_LINKER_FLAGS - list of required linker flags
# BLAS_LIBRARIES - list of libraries (with paths) to link against
# BLAS_STATIC - if set then static libraries will be searched for.
# BLAS_VENDORS - A list of specific vendors implemented BLAS to check
# for, if not set, checks all known vendors.
# BLAS_VENDORS_FOUND - A list of located BLAS vendors
#
# Also, if set, will use these to guide it's library search:
# BLAS_${VENDOR}_LIB_DIRS - An additional library dir to search for:
# Ex:
# BLAS_ACML_LIB_DIRS=/opt/acml4.4.0/gfortran64/lib
# BLAS_MKL_LIB_DIRS=/opt/intel/mkl/lib/intel64
##########
#
# Valid values for the BLAS_VENDOR setting are:
# ACML - Single threaded version of the AMD Core Math Library
# ACML_MP - Multithreaded version of the AMD Core Math Library using OpenMP
# See http://developer.amd.com/cpu/Libraries/acml
#
# ACCELERATE - Apple's Accelerate library
# See http://developer.apple.com/performance/accelerateframework
#
# ATLAS - Automatically Tuned Linear Algebra Software
# See http://math-atlas.sourceforge.net/
#
# GOTO - Goto BLAS v2
# See http://www.tacc.utexas.edu/tacc-projects/gotoblas2
#
# GENERIC - Search for a generic libblas
#
# VECLIB - HP's Math Library: VECLIB
#
# ESSL - IBM's Engineering and Scientific Subroutine Library
# ESSLSMP - IBM's Engineering and Scientific Subroutine Library (smp)
# See http://www-03.ibm.com/systems/software/essl/
#
# MKL_RT - Intel Math Kernel Library (dynamic runtime interface)
# MKL_SEQ - Intel Math Kernel Library (sequential interface)
# MKL - Intel Math Kernel Library (multi-threaded interface)
# See http://software.intel.com/en-us/intel-mkl
#
# PERFLIB - Oracle Performance Library (formerly Sun Performance Library)
# SUNPERF - Oracle Performance Library (formerly Sun Performance Library)
# See http://www.oracle.com/technetwork/server-storage/solarisstudio
#
# SCSL - SGI's Scientific Computing Software Library
# See http://www.sgi.com/products/software/irix/scsl.html
#
# OTHER - Any other unsupported BLAS library
# In order to specify other BLAS libraries, set the following:
# BLAS_VENDORS = OTHER
# BLAS_OTHER_LIB_NAMES = A list of libraries to link to
# BLAS_OTHER_LIB_DIR = Search path for the libraries
# Ex:
# set(BLAS_VENDORS OTHER)
# set(BLAS_OTHER_LIB_NAMES "my_blas;my_blas_support")
# set(BLAS_OTHER_LIB_DIRS /home/chuck/lib)
# find_package(BLAS)
#
#=============================================================================
# Author: Chuck Atkins
# Copyright 2010
#=============================================================================
#
# Early exit if already found
if( BLAS_FOUND )
return()
endif()
include( CheckFortranFunctionExists )
include( CheckLibraryExists )
include( CheckFortranTypeSizes )
# Check the language being used
get_property( _LANGUAGES_ GLOBAL PROPERTY ENABLED_LANGUAGES )
if( _LANGUAGES_ MATCHES Fortran )
set( _CHECK_FORTRAN TRUE )
elseif( (_LANGUAGES_ MATCHES C) OR (_LANGUAGES_ MATCHES CXX) )
set( _CHECK_FORTRAN FALSE )
else()
if(BLAS_FIND_REQUIRED)
message(FATAL_ERROR "FindBLAS requires Fortran, C, or C++ to be enabled.")
else(BLAS_FIND_REQUIRED)
message(STATUS "Looking for BLAS... - NOT found (Unsupported languages)")
return()
endif(BLAS_FIND_REQUIRED)
endif( )
# Set the library suffix to look for
if( BLAS_STATIC )
if( WIN32 )
set( CMAKE_FIND_LIBRARY_SUFFIXES ".lib" )
else()
set( CMAKE_FIND_LIBRARY_SUFFIXES ".a" )
endif()
else()
if( WIN32 )
set( CMAKE_FIND_LIBRARY_SUFFIXES ".dll;.lib" )
elseif(APPLE)
set( CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" )
else()
set( CMAKE_FIND_LIBRARY_SUFFIXES ".so" )
endif()
endif()
# Set extra library dirs
if( WIN32 )
set( _BLAS_EXTRA_LIB_DIRS $ENV{LIB} )
elseif( APPLE )
string( REPLACE ":" ";" _BLAS_EXTRA_LIB_DIRS "$ENV{DYLD_LIBRARY_PATH}" )
else()
string( REPLACE ":" ";" _BLAS_EXTRA_LIB_DIRS "$ENV{LD_LIBRARY_PATH}" )
endif()
# Determine the default integer size
CHECK_FORTRAN_TYPE_SIZES()
if( NOT SIZEOF_INTEGER )
message( WARNING "Unable to determine default integer size. Assuming integer*4" )
set( SIZEOF_INTEGER 4 )
endif()
# Macro to locate a library and check for a specified symbol
macro( _BLAS_LOCATE_AND_TEST __BLAS_VENDOR __BLAS_LIBNAMES __BLAS_FLAGS )
set( BLAS_${__BLAS_VENDOR}_LIBRARIES )
foreach( __BLAS_LIBNAME ${__BLAS_LIBNAMES} )
message( STATUS "FindBLAS: Searching for ${__BLAS_VENDOR} ${__BLAS_LIBNAME} - " )
find_library( BLAS_${__BLAS_VENDOR}_${__BLAS_LIBNAME}_LIBRARY
NAMES ${__BLAS_LIBNAME}
PATHS ${BLAS_${__BLAS_VENDOR}_LIB_DIRS} ${_BLAS_EXTRA_LIB_DIRS}
)
message( STATUS "FindBLAS: Searching for ${__BLAS_VENDOR} ${__BLAS_LIBNAME} - ${BLAS_${__BLAS_VENDOR}_${__BLAS_LIBNAME}_LIBRARY}" )
if( NOT BLAS_${__BLAS_VENDOR}_${__BLAS_LIBNAME}_LIBRARY )
unset( BLAS_${__BLAS_VENDOR}_LIBRARIES )
foreach( __BLAS_LIBNAME ${__BLAS_LIBNAMES} )
unset( BLAS_${__BLAS_VENDOR}_${__BLAS_LIBNAME}_LIBRARY CACHE)
endforeach()
break()
endif()
set( BLAS_${__BLAS_VENDOR}_LIBRARIES
${BLAS_${__BLAS_VENDOR}_LIBRARIES}
${BLAS_${__BLAS_VENDOR}_${__BLAS_LIBNAME}_LIBRARY}
)
endforeach()
if( BLAS_${__BLAS_VENDOR}_LIBRARIES OR ("${__BLAS_LIBNAMES}" STREQUAL "") )
# Check the library as Fortran
set( BLAS_${__BLAS_VENDOR}_LINKER_FLAGS "${__BLAS_FLAGS}" )
set( CMAKE_REQUIRED_LIBRARIES "${BLAS_${__BLAS_VENDOR}_LIBRARIES}")
if( BLAS_${__BLAS_VENDOR}_LINKER_FLAGS )
set( CMAKE_REQUIRED_LIBRARIES
"${BLAS_${__BLAS_VENDOR}_LINKER_FLAGS} ${CMAKE_REQUIRED_LIBRARIES}")
endif()
CHECK_FORTRAN_FUNCTION_EXISTS( "dgemm" BLAS_${__BLAS_VENDOR}_DGEMM )
unset( CMAKE_REQUIRED_LIBRARIES )
if( BLAS_${__BLAS_VENDOR}_DGEMM )
set( BLAS_${__BLAS_VENDOR}_FOUND TRUE CACHE BOOL "Whether not the ${__BLAS_VENDOR} library was found and is usable" )
else()
unset( BLAS_${__BLAS_VENDOR}_DGEMM CACHE)
foreach( __BLAS_LIBNAME ${__BLAS_LIBNAMES} )
unset( BLAS_${__BLAS_VENDOR}_${__BLAS_LIBNAME}_LIBRARY CACHE)
endforeach()
endif()
endif()
endmacro()
# Loop through the BLAS vendors looking for specific libraries
if( NOT BLAS_VENDORS )
# If not specified, we will search through the list of known suppliers
set( BLAS_VENDORS ACML ACCELERATE ATLAS GOTO VECLIB ESSL MKL_RT SUNPERF SCSL GENERIC)
endif()
set( BLAS_VENDORS_FOUND )
foreach( _BLAS_VENDOR ${BLAS_VENDORS} )
# Other BLAS Library
if( _BLAS_VENDOR STREQUAL "OTHER" )
if( NOT BLAS_${_BLAS_VENDOR}_FLAGS )
set( BLAS_${_BLAS_VENDOR}_FLAGS )
endif()
message( STATUS "FindBLAS: Searching for user specified BLAS" )
_BLAS_LOCATE_AND_TEST(
${_BLAS_VENDOR}
"${BLAS_${_BLAS_VENDOR}_LIB_NAMES}"
"${BLAS_${_BLAS_VENDOR}_FLAGS}"
)
# AMD ACML
elseif( (_BLAS_VENDOR STREQUAL "ACML") OR (_BLAS_VENDOR STREQUAL "ACML_MP") )
if( ((_BLAS_VENDOR STREQUAL "ACML") AND (NOT BLAS_ACML_LIB_DIRS)) OR
((_BLAS_VENDOR STREQUAL "ACML_MP") AND (NOT BLAS_ACML_MP_LIB_DIRS)) )
if( WIN32 )
file( GLOB _ACML_ROOT "C:/AMD/acml*/ACML-EULA.txt" )
else()
file( GLOB _ACML_ROOT "/opt/acml*/ACML-EULA.txt" )
endif()
if( _ACML_ROOT )
get_filename_component( _ACML_ROOT ${_ACML_ROOT} PATH )
if( SIZEOF_INTEGER EQUAL 8 )
set( _ACML_PATH_SUFFIX "_int64" )
else()
set( _ACML_PATH_SUFFIX "" )
endif()
if( CMAKE_Fortran_COMPILER_ID STREQUAL "Intel" )
set( _ACML_COMPILER32 "ifort32" )
set( _ACML_COMPILER64 "ifort64" )
elseif( CMAKE_Fortran_COMPILER_ID STREQUAL "SunPro" )
set( _ACML_COMPILER32 "sun32" )
set( _ACML_COMPILER64 "sun64" )
elseif( CMAKE_Fortran_COMPILER_ID STREQUAL "PGI" )
set( _ACML_COMPILER32 "pgi32" )
if( WIN32 )
set( _ACML_COMPILER64 "win64" )
else()
set( _ACML_COMPILER64 "pgi64" )
endif()
elseif( CMAKE_Fortran_COMPILER_ID STREQUAL "Open64" )
# 32 bit builds not supported on Open64 but for code simplicity
# We'll just use the same directory twice
set( _ACML_COMPILER32 "open64_64" )
set( _ACML_COMPILER64 "open64_64" )
elseif( CMAKE_Fortran_COMPILER_ID STREQUAL "NAG" )
set( _ACML_COMPILER32 "nag32" )
set( _ACML_COMPILER64 "nag64" )
else() #if( CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" )
set( _ACML_COMPILER32 "gfortran32" )
set( _ACML_COMPILER64 "gfortran64" )
endif()
if( _BLAS_VENDOR STREQUAL "ACML_MP" )
set( _ACML_MP_LIB_DIRS
"${_ACML_ROOT}/${_ACML_COMPILER32}_mp${_ACML_PATH_SUFFIX}/lib"
"${_ACML_ROOT}/${_ACML_COMPILER64}_mp${_ACML_PATH_SUFFIX}/lib" )
else() #if( _BLAS_VENDOR STREQUAL "ACML" )
set( _ACML_LIB_DIRS
"${_ACML_ROOT}/${_ACML_COMPILER32}${_ACML_PATH_SUFFIX}/lib"
"${_ACML_ROOT}/${_ACML_COMPILER64}${_ACML_PATH_SUFFIX}/lib" )
endif()
endif()
endif()
if( _BLAS_VENDOR STREQUAL "ACML_MP" )
message( STATUS "FindBLAS: Searching for AMD ACML MP" )
foreach( BLAS_ACML_MP_LIB_DIRS ${_ACML_MP_LIB_DIRS} )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "acml_mp;acml_mv" "" )
if( BLAS_${_BLAS_VENDOR}_FOUND )
break()
endif()
endforeach()
else() #if( _BLAS_VENDOR STREQUAL "ACML" )
message( STATUS "FindBLAS: Searching for AMD ACML" )
foreach( BLAS_ACML_LIB_DIRS ${_ACML_LIB_DIRS} )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "acml;acml_mv" "" )
if( BLAS_${_BLAS_VENDOR}_FOUND )
break()
endif()
endforeach()
endif()
# Apple Accelerate
elseif( _BLAS_VENDOR STREQUAL "ACCELERATE" )
if( APPLE )
message( STATUS "FindBLAS: Searching for Apple Accelerate" )
_BLAS_LOCATE_AND_TEST(
${_BLAS_VENDOR} "Accelerate" "-framework Accelerate"
)
endif()
# ATLAS
elseif( _BLAS_VENDOR STREQUAL "ATLAS" )
message( STATUS "FindBLAS: Searching for ATLAS BLAS" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "f77blas;atlas" "" )
# GotoBLAS2
elseif( _BLAS_VENDOR STREQUAL "GOTO" )
message( STATUS "FindBLAS: Searching for GotoBLAS2" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "goto2" "" )
# VECLIB
elseif( _BLAS_VENDOR STREQUAL "VECLIB" )
if( NOT APPLE ) # Apple veclib is not what we're looking for here
if( SIZEOF_INTEGER EQUAL 4 )
message( STATUS "FindBLAS: Searching for VECLIB" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "veclib" "" )
elseif( SIZEOF_INTEGER EQUAL 8 )
message( STATUS "FindBLAS: Searching for VECLIB (int64)" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "veclib8" "" )
endif()
endif()
# IBM ESSL
elseif( _BLAS_VENDOR STREQUAL "ESSL" )
if( SIZEOF_INTEGER EQUAL 4 )
message( STATUS "FindBLAS: Searching for IBM ESSL" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "essl;blas" "" )
elseif( SIZEOF_INTEGER EQUAL 8 )
message( STATUS "FindBLAS: Searching for IBM ESSL (int64)" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "essl6464;blas" "" )
endif()
# IBM ESSL (SMP Version)
elseif( _BLAS_VENDOR STREQUAL "ESSLSMP" )
if( SIZEOF_INTEGER EQUAL 4 )
message( STATUS "FindBLAS: Searching for IBM ESSL (SMP)" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "esslsmp;blas" "" )
elseif( SIZEOF_INTEGER EQUAL 8 )
message( STATUS "FindBLAS: Searching for IBM ESSL (SMP + int64)" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "esslsmp6464;blas" "" )
endif()
# Intel MKL (dynamic)
elseif( _BLAS_VENDOR STREQUAL "MKL_RT" )
message( STATUS "FindBLAS: Searching for Intel MKL (dynamic runtime interface)" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "mkl_rt" "" )
# Intel MKL (sequential)
elseif( _BLAS_VENDOR STREQUAL "MKL_SEQ" )
message( STATUS "FindBLAS: Searching for Intel MKL (sequential interface)" )
if( CMAKE_Fortran_COMPILER_ID STREQUAL "Intel" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "" "-mkl=sequential" )
else()
if( SIZEOF_INTEGER EQUAL 4 )
set( _BLAS_MKL_64_SUFFIX "_lp64" )
elseif( SIZEOF_INTEGER EQUAL 8 )
set( _BLAS_MKL_64_SUFFIX "_ilp64" )
endif()
foreach( _BLAS_MKL_SUFFIX "" "${_BLAS_MKL_64_SUFFIX}" )
_BLAS_LOCATE_AND_TEST(
${_BLAS_VENDOR}
"mkl_intel${_BLAS_MKL_SUFFIX};mkl_sequential;mkl_core"
""
)
if( BLAS_MKL_FOUND )
break()
endif()
endforeach()
endif()
# Intel MKL
elseif( _BLAS_VENDOR STREQUAL "MKL" )
message( STATUS "FindBLAS: Searching for Intel MKL (multi-threaded interface)" )
if( CMAKE_Fortran_COMPILER_ID STREQUAL "Intel" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "" "-mkl=parallel" )
else()
if( SIZEOF_INTEGER EQUAL 4 )
set( _BLAS_MKL_64_SUFFIX "_lp64" )
elseif( SIZEOF_INTEGER EQUAL 8 )
set( _BLAS_MKL_64_SUFFIX "_ilp64" )
endif()
if( CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" )
foreach( _BLAS_MKL_SUFFIX "" "${_BLAS_MKL_64_SUFFIX}" )
_BLAS_LOCATE_AND_TEST(
${_BLAS_VENDOR}
"mkl_intel${_BLAS_MKL_SUFFIX};mkl_gnu_thread;mkl_core"
"-fopenmp"
)
if( BLAS_MKL_FOUND )
break()
endif()
endforeach()
elseif( CMAKE_Fortran_COMPILER_ID STREQUAL "PGI" )
foreach( _BLAS_MKL_SUFFIX "" "${_BLAS_MKL_64_SUFFIX}" )
_BLAS_LOCATE_AND_TEST(
${_BLAS_VENDOR}
"mkl_intel${_BLAS_MKL_SUFFIX};mkl_pgi_thread;mkl_core"
"-mp"
)
if( BLAS_MKL_FOUND )
break()
endif()
endforeach()
# Use the intel thread library but explicitly search for the libraries
else()
foreach( _BLAS_MKL_SUFFIX "" "${_BLAS_MKL_64_SUFFIX}" )
_BLAS_LOCATE_AND_TEST(
${_BLAS_VENDOR}
"mkl_intel${_BLAS_MKL_SUFFIX};mkl_intel_thread;mkl_core;iomp5"
""
)
if( BLAS_MKL_FOUND )
break()
endif()
endforeach()
endif()
endif()
# Generic BLAS
elseif( _BLAS_VENDOR STREQUAL "GENERIC" )
message( STATUS "FindBLAS: Searching for generic BLAS" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "blas" "" )
# SGI
elseif( _BLAS_VENDOR STREQUAL "SCSL" )
if( SIZEOF_INTEGER EQUAL 4 )
message( STATUS "FindBLAS: Searching for SGI SCSL" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "scs" "" )
elseif( SIZEOF_INTEGER EQUAL 8 )
message( STATUS "FindBLAS: Searching for SGI SCSL (int64)" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "scs_i8" "" )
endif()
# Sun / Oracle PerfLib
elseif( (_BLAS_VENDOR STREQUAL "PERFLIB") OR
(_BLAS_VENDOR STREQUAL "SUNPERF") )
message( STATUS "FindBLAS: Searching for Sun PerfLib" )
if( CMAKE_Fortran_COMPILER_ID STREQUAL "SunPro" )
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "" "-xlic_lib=sunperf" )
else()
_BLAS_LOCATE_AND_TEST( ${_BLAS_VENDOR} "sunperf;mtsk" "" )
endif()
else()
endif()
if( BLAS_${_BLAS_VENDOR}_FOUND )
set( BLAS_VENDORS_FOUND ${BLAS_VENDORS_FOUND} ${_BLAS_VENDOR} )
endif()
endforeach()
# Parse the search results
message( STATUS "FindBLAS: BLAS vendors found: ${BLAS_VENDORS_FOUND}" )
list( LENGTH BLAS_VENDORS_FOUND _BLAS_VENDORS_FOUND_LENGTH )
if( _BLAS_VENDORS_FOUND_LENGTH EQUAL 0 )
message( STATUS "FindBLAS: BLAS library not found" )
return()
endif()
list( GET BLAS_VENDORS_FOUND 0 BLAS_VENDOR_FOUND )
message( STATUS "FindBLAS: BLAS vendor selected: ${BLAS_VENDOR_FOUND}" )
set( BLAS_LIBRARIES ${BLAS_${BLAS_VENDOR_FOUND}_LIBRARIES} CACHE PATH "")
set( BLAS_LINKER_FLAGS ${BLAS_${BLAS_VENDOR_FOUND}_LINKER_FLAGS} CACHE PATH "" )
set( BLAS_FOUND TRUE CACHE OPTION "")
|
