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Diffstat (limited to 'Modules/FindLAPACK.cmake')
| -rw-r--r-- | Modules/FindLAPACK.cmake | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/Modules/FindLAPACK.cmake b/Modules/FindLAPACK.cmake new file mode 100644 index 000000000..0ae98dfa7 --- /dev/null +++ b/Modules/FindLAPACK.cmake @@ -0,0 +1,336 @@ +# - 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), 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 ${CMAKE_FIND_LIBRARY_SUFFIXES}) + +get_property(_LANGUAGES_ GLOBAL PROPERTY ENABLED_LANGUAGES) +if (NOT _LANGUAGES_ MATCHES Fortran) +include(CheckFunctionExists) +else (NOT _LANGUAGES_ MATCHES Fortran) +include(CheckFortranFunctionExists) +endif (NOT _LANGUAGES_ MATCHES Fortran) + +set(LAPACK_FOUND FALSE) +set(LAPACK95_FOUND FALSE) + +# TODO: move this stuff to separate module + +macro(Check_Lapack_Libraries LIBRARIES _prefix _name _flags _list _blas _threads) +# This macro checks for the existence of the combination of fortran libraries +# given by _list. If the combination is found, this macro checks (using the +# Check_Fortran_Function_Exists macro) whether can link against that library +# combination using the name of a routine given by _name using the linker +# flags given by _flags. If the combination of libraries is found and passes +# the link test, LIBRARIES is set to the list of complete library paths that +# have been found. Otherwise, LIBRARIES is set to FALSE. + +# N.B. _prefix is the prefix applied to the names of all cached variables that +# are generated internally and marked advanced by this macro. + +set(_libraries_work TRUE) +set(${LIBRARIES}) +set(_combined_name) +if (NOT _libdir) + if (WIN32) + set(_libdir ENV LIB) + elseif (APPLE) + set(_libdir /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64 ENV DYLD_LIBRARY_PATH) + else () + set(_libdir /usr/local/lib /usr/lib /usr/local/lib64 /usr/lib64 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 ( WIN32 ) + if (APPLE) + set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES}) + else (APPLE) + set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES}) + endif (APPLE) + else (BLA_STATIC) + if (CMAKE_SYSTEM_NAME STREQUAL "Linux") + # for ubuntu's libblas3gf and liblapack3gf packages + set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} .so.3gf) + endif () + endif (BLA_STATIC) + find_library(${_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(_libraries_work) +endforeach(_library ${_list}) + +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(UNIX AND BLA_STATIC) + set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_blas} ${_threads}) + endif(UNIX AND BLA_STATIC) +# message("DEBUG: CMAKE_REQUIRED_LIBRARIES = ${CMAKE_REQUIRED_LIBRARIES}") + if (NOT _LANGUAGES_ MATCHES Fortran) + check_function_exists("${_name}_" ${_prefix}${_combined_name}_WORKS) + else (NOT _LANGUAGES_ MATCHES Fortran) + check_fortran_function_exists(${_name} ${_prefix}${_combined_name}_WORKS) + endif (NOT _LANGUAGES_ MATCHES Fortran) + set(CMAKE_REQUIRED_LIBRARIES) + mark_as_advanced(${_prefix}${_combined_name}_WORKS) + set(_libraries_work ${${_prefix}${_combined_name}_WORKS}) + #message("DEBUG: ${LIBRARIES} = ${${LIBRARIES}}") +endif(_libraries_work) + + if(_libraries_work) + set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threads}) + else(_libraries_work) + set(${LIBRARIES} FALSE) + endif(_libraries_work) + +endmacro(Check_Lapack_Libraries) + + +set(LAPACK_LINKER_FLAGS) +set(LAPACK_LIBRARIES) +set(LAPACK95_LIBRARIES) + + +if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED) + find_package(BLAS) +else(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED) + find_package(BLAS REQUIRED) +endif(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED) + + +if(BLAS_FOUND) + set(LAPACK_LINKER_FLAGS ${BLAS_LINKER_FLAGS}) + if ($ENV{BLA_VENDOR} MATCHES ".+") + set(BLA_VENDOR $ENV{BLA_VENDOR}) + else ($ENV{BLA_VENDOR} MATCHES ".+") + if(NOT BLA_VENDOR) + set(BLA_VENDOR "All") + endif(NOT BLA_VENDOR) + endif ($ENV{BLA_VENDOR} MATCHES ".+") + +if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "goto2" + "${BLAS_LIBRARIES}" + "" + ) + endif(NOT LAPACK_LIBRARIES) +endif (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All") + + +#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(NOT LAPACK_LIBRARIES) +endif (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All") +if (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All") + if ( NOT LAPACK_LIBRARIES ) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "vecLib" + "${BLAS_LIBRARIES}" + "" + ) + endif ( NOT LAPACK_LIBRARIES ) +endif (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All") +# Generic LAPACK library? +if (BLA_VENDOR STREQUAL "Generic" OR + BLA_VENDOR STREQUAL "ATLAS" OR + BLA_VENDOR STREQUAL "All") + if ( NOT LAPACK_LIBRARIES ) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "lapack" + "${BLAS_LIBRARIES}" + "" + ) + endif ( NOT LAPACK_LIBRARIES ) +endif () +#intel lapack +if (BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All") + if (NOT WIN32) + set(LM "-lm") + endif () + if (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX) + if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED) + find_PACKAGE(Threads) + else(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED) + find_package(Threads REQUIRED) + endif(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED) + if (BLA_F95) + if(NOT LAPACK95_LIBRARIES) + # old + check_lapack_libraries( + LAPACK95_LIBRARIES + LAPACK + cheev + "" + "mkl_lapack95" + "${BLAS95_LIBRARIES}" + "${CMAKE_THREAD_LIBS_INIT};${LM}" + ) + endif(NOT LAPACK95_LIBRARIES) + if(NOT LAPACK95_LIBRARIES) + # new >= 10.3 + check_lapack_libraries( + LAPACK95_LIBRARIES + LAPACK + CHEEV + "" + "mkl_intel_lp64" + "${BLAS95_LIBRARIES}" + "${CMAKE_THREAD_LIBS_INIT};${LM}" + ) + endif(NOT LAPACK95_LIBRARIES) + else(BLA_F95) + if(NOT LAPACK_LIBRARIES) + # old + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "mkl_lapack" + "${BLAS_LIBRARIES}" + "${CMAKE_THREAD_LIBS_INIT};${LM}" + ) + endif(NOT LAPACK_LIBRARIES) + if(NOT LAPACK_LIBRARIES) + # new >= 10.3 + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "mkl_gf_lp64" + "${BLAS_LIBRARIES}" + "${CMAKE_THREAD_LIBS_INIT};${LM}" + ) + endif(NOT LAPACK_LIBRARIES) + endif(BLA_F95) + endif (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX) +endif(BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All") +else(BLAS_FOUND) + message(STATUS "LAPACK requires BLAS") +endif(BLAS_FOUND) + +if(BLA_F95) + if(LAPACK95_LIBRARIES) + set(LAPACK95_FOUND TRUE) + else(LAPACK95_LIBRARIES) + set(LAPACK95_FOUND FALSE) + endif(LAPACK95_LIBRARIES) + if(NOT LAPACK_FIND_QUIETLY) + if(LAPACK95_FOUND) + message(STATUS "A library with LAPACK95 API found.") + else(LAPACK95_FOUND) + if(LAPACK_FIND_REQUIRED) + message(FATAL_ERROR + "A required library with LAPACK95 API not found. Please specify library location." + ) + else(LAPACK_FIND_REQUIRED) + message(STATUS + "A library with LAPACK95 API not found. Please specify library location." + ) + endif(LAPACK_FIND_REQUIRED) + endif(LAPACK95_FOUND) + endif(NOT LAPACK_FIND_QUIETLY) + set(LAPACK_FOUND "${LAPACK95_FOUND}") + set(LAPACK_LIBRARIES "${LAPACK95_LIBRARIES}") +else(BLA_F95) + if(LAPACK_LIBRARIES) + set(LAPACK_FOUND TRUE) + else(LAPACK_LIBRARIES) + set(LAPACK_FOUND FALSE) + endif(LAPACK_LIBRARIES) + + if(NOT LAPACK_FIND_QUIETLY) + if(LAPACK_FOUND) + message(STATUS "A library with LAPACK API found.") + else(LAPACK_FOUND) + if(LAPACK_FIND_REQUIRED) + message(FATAL_ERROR + "A required library with LAPACK API not found. Please specify library location." + ) + else(LAPACK_FIND_REQUIRED) + message(STATUS + "A library with LAPACK API not found. Please specify library location." + ) + endif(LAPACK_FIND_REQUIRED) + endif(LAPACK_FOUND) + endif(NOT LAPACK_FIND_QUIETLY) +endif(BLA_F95) + +set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES}) |