diff options
Diffstat (limited to 'Modules/FindLAPACK.cmake')
| -rw-r--r-- | Modules/FindLAPACK.cmake | 210 |
1 files changed, 124 insertions, 86 deletions
diff --git a/Modules/FindLAPACK.cmake b/Modules/FindLAPACK.cmake index 3167850db..a451e6ccd 100644 --- a/Modules/FindLAPACK.cmake +++ b/Modules/FindLAPACK.cmake @@ -1,49 +1,69 @@ -# - Find LAPACK library -# This module finds an installed fortran library that implements the LAPACK -# linear-algebra interface (see http://www.netlib.org/lapack/). +# 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). +# 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. +# :: +# +# 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 # -# 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 ${CMAKE_FIND_LIBRARY_SUFFIXES}) -get_property(_LANGUAGES_ GLOBAL PROPERTY ENABLED_LANGUAGES) -if (NOT _LANGUAGES_ MATCHES Fortran) -include(${CMAKE_CURRENT_LIST_DIR}/CheckFunctionExists.cmake) -else () +# 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) @@ -111,7 +131,7 @@ if(_libraries_work) set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_blas} ${_threads}) endif() # message("DEBUG: CMAKE_REQUIRED_LIBRARIES = ${CMAKE_REQUIRED_LIBRARIES}") - if (NOT _LANGUAGES_ MATCHES Fortran) + if (NOT CMAKE_Fortran_COMPILER_LOADED) check_function_exists("${_name}_" ${_prefix}${_combined_name}_WORKS) else () check_fortran_function_exists(${_name} ${_prefix}${_combined_name}_WORKS) @@ -145,7 +165,7 @@ endif() if(BLAS_FOUND) set(LAPACK_LINKER_FLAGS ${BLAS_LINKER_FLAGS}) - if ($ENV{BLA_VENDOR} MATCHES ".+") + if (NOT $ENV{BLA_VENDOR} STREQUAL "") set(BLA_VENDOR $ENV{BLA_VENDOR}) else () if(NOT BLA_VENDOR) @@ -167,9 +187,22 @@ if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All") endif() endif () +if (BLA_VENDOR STREQUAL "OpenBLAS" OR BLA_VENDOR STREQUAL "All") + if(NOT LAPACK_LIBRARIES) + check_lapack_libraries( + LAPACK_LIBRARIES + LAPACK + cheev + "" + "openblas" + "${BLAS_LIBRARIES}" + "" + ) + endif() +endif () #acml lapack - if (BLA_VENDOR MATCHES "ACML.*" OR BLA_VENDOR STREQUAL "All") + if (BLA_VENDOR MATCHES "ACML" OR BLA_VENDOR STREQUAL "All") if (BLAS_LIBRARIES MATCHES ".+acml.+") set (LAPACK_LIBRARIES ${BLAS_LIBRARIES}) endif () @@ -219,67 +252,71 @@ if (BLA_VENDOR STREQUAL "Generic" OR endif () endif () #intel lapack -if (BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All") +if (BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All") if (NOT WIN32) set(LM "-lm") endif () - if (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX) + if (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED) if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED) find_PACKAGE(Threads) else() find_package(Threads REQUIRED) endif() + + set(LAPACK_SEARCH_LIBS "") + if (BLA_F95) - if(NOT LAPACK95_LIBRARIES) - # old - check_lapack_libraries( - LAPACK95_LIBRARIES - LAPACK - cheev - "" - "mkl_lapack95" - "${BLAS95_LIBRARIES}" - "${CMAKE_THREAD_LIBS_INIT};${LM}" - ) - endif() - 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() + set(LAPACK_mkl_SEARCH_SYMBOL "CHEEV") + set(_LIBRARIES LAPACK95_LIBRARIES) + set(_BLAS_LIBRARIES ${BLAS95_LIBRARIES}) + + # old + list(APPEND LAPACK_SEARCH_LIBS + "mkl_lapack95") + # new >= 10.3 + list(APPEND LAPACK_SEARCH_LIBS + "mkl_intel_c") + list(APPEND LAPACK_SEARCH_LIBS + "mkl_intel_lp64") else() - if(NOT LAPACK_LIBRARIES) - # old - check_lapack_libraries( - LAPACK_LIBRARIES - LAPACK - cheev - "" - "mkl_lapack" - "${BLAS_LIBRARIES}" - "${CMAKE_THREAD_LIBS_INIT};${LM}" - ) - endif() - if(NOT LAPACK_LIBRARIES) - # new >= 10.3 + 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( - LAPACK_LIBRARIES - LAPACK - cheev + ${_LIBRARIES} + BLAS + ${LAPACK_mkl_SEARCH_SYMBOL} "" - "mkl_gf_lp64" - "${BLAS_LIBRARIES}" + "${IT}" + "${_BLAS_LIBRARIES}" "${CMAKE_THREAD_LIBS_INIT};${LM}" ) - endif() - endif() + endif () + endforeach () endif () endif() else() @@ -333,4 +370,5 @@ else() endif() endif() +cmake_pop_check_state() set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES}) |