mirror of
https://github.com/triqs/dft_tools
synced 2024-12-25 13:53:40 +01:00
291 lines
8.6 KiB
CMake
291 lines
8.6 KiB
CMake
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# - FindLapack.cmake
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# Find LAPACK/BLAS (and compatible) numerical libraries
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#
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# This module will define the following values:
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# LAPACK_LIBRARY
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# BLAS_LIBRARY
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#
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# 0) check if BLAS_LIBRARY and LAPACK_LIBRARY have already been set on command line, if so: take these values.
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# 1) search ENV MKL
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# 2) search MKL in usual paths
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# 3) search ENV ATLAS
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# 4) search generic lapack/blas using CMake-provided FindLAPACK.cmake
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# if BLA_VENDOR is set, try to use that vendor's LAPACK implementation
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# 5) if build is on cray use hardcoded path
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# 6) give up
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# Copyright (C) 2009-2010 Matthias Troyer <troyer@comp-phys.org>
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# Copyright (C) 2009-2010 Synge Todo <wistaria@comp-phys.org>
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# Copyright (C) 2009-2010 Bela Bauer
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# Copyright (C) 2009-2010 Brigitte Surer
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# Copyright (C) 2009-2010 Lukas Gamper
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# Copyright (C) 2009-2010 Ryo IGARASHI <rigarash@hosi.phys.s.u-tokyo.ac.jp>
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# Copyright (C) 2010 Emanuel Gull <gull@phys.columbia.edu>
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#
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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SET(MKL_PATHS "/usr/local/lib /usr/lib")
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#IF(NOT QMC_BUILD_STATIC)
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IF(BLAS_LIBRARY AND LAPACK_LIBRARY)
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SET(LAPACK_LIBRARY_INIT 1)
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SET(BLAS_LIBRARY_INIT 1)
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ENDIF(BLAS_LIBRARY AND LAPACK_LIBRARY)
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IF($ENV{MKL} MATCHES "mkl")
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MESSAGE(STATUS "Using intel/mkl library: $ENV{MKL}")
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#look for the path where the mkl is installed
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STRING(REGEX MATCHALL "[-][L]([^ ;])+" MKL_PATH_WITH_PREFIX "$ENV{MKL}")
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STRING(REGEX REPLACE "[-][L]" "" MKL_PATHS ${MKL_PATH_WITH_PREFIX})
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ENDIF($ENV{MKL} MATCHES "mkl")
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SET(MKL_PATHS
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$ENV{MKL_HOME}/lib/em${QMC_BITS}t
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$ENV{MKL_HOME}/lib/${QMC_BITS}
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$ENV{MKL_HOME}/lib
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${MKL_PATHS}
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)
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# MESSAGE(STATUS "Looking for intel/mkl library in ${MKL_PATHS}")
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STRING(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" MKL_VERSION "$ENV{MKL_HOME}")
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SET(LINK_LAPACK_DEFAULT 1)
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IF(${MKL_VERSION} MATCHES "10\\.0\\.[0-2]")
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SET(LINK_LAPACK_DEFAULT 0)
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ENDIF(${MKL_VERSION} MATCHES "10\\.0\\.[0-2]")
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IF(NOT LAPACK_LIBRARY_INIT)
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IF(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64")
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IF(LINK_LAPACK_DEFAULT)
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FIND_LIBRARY(LAPACK_LIBRARY NAMES mkl_lapack PATHS ${MKL_PATHS})
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FIND_LIBRARY(BLAS_LIBRARY NAMES mkl PATHS ${MKL_PATHS})
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ELSE(LINK_LAPACK_DEFAULT)
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FIND_LIBRARY(LAPACK_LIBRARY STATIC NAMES mkl_lapack PATHS ${MKL_PATHS})
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FIND_LIBRARY(BLAS_LIBRARY NAMES mkl_em64t PATHS ${MKL_PATHS})
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MESSAGE("-- mkl 10.0.[0-2] warning for EM64T")
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MESSAGE("-- Replace libmkl_lapack.so in CMakeCache.txt by libmkl_lapack.a")
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ENDIF(LINK_LAPACK_DEFAULT)
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ELSE(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64")
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FIND_LIBRARY(LAPACK_LIBRARY
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NAMES mkl_lapack
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PATHS ${MKL_PATHS}
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)
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FIND_LIBRARY(BLAS_LIBRARY
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NAMES mkl
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PATHS ${MKL_PATHS}
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)
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ENDIF(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64")
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FIND_LIBRARY(INTEL_GUIDE_LIBRARY
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NAMES guide
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PATHS ${MKL_PATHS}
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)
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MARK_AS_ADVANCED(INTEL_GUIDE_LIBRARY)
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IF(NOT INTEL_GUIDE_LIBRARY MATCHES "NOTFOUND")
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SET(REQUIRE_PTHREAD TRUE)
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FIND_LIBRARY(PTHREAD_LIBRARY NAMES pthread)
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ENDIF(NOT INTEL_GUIDE_LIBRARY MATCHES "NOTFOUND")
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IF(NOT BLAS_guide_LIBRARY MATCHES "NOTFOUND")
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SET(REQUIRE_PTHREAD TRUE)
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FIND_LIBRARY(PTHREAD_LIBRARY NAMES pthread)
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ENDIF(NOT BLAS_guide_LIBRARY MATCHES "NOTFOUND")
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IF(LAPACK_LIBRARY MATCHES "mkl")
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MESSAGE(STATUS "Found intel/mkl library")
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SET(LAPACK_LIBRARY_INIT 1)
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SET(BLAS_LIBRARY_INIT 1)
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SET(HAVE_MKL 1) # CACHE BOOL "HAVE_MKL is set to 1")
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SET(MKL_INC_PATHS $ENV{MKL_HOME}/include ${MKL_PATHS})
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FIND_PATH(MKL_INCLUDE_DIR mkl.h ${MKL_INC_PATHS})
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INCLUDE_DIRECTORIES(${MKL_INCLUDE_DIR})
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ENDIF(LAPACK_LIBRARY MATCHES "mkl")
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ENDIF(NOT LAPACK_LIBRARY_INIT)
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IF(NOT HAVE_MKL)
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IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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SET(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -framework vecLib")
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SET(LAPACK_LIBRARY_INIT 1)
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SET(MAC_VECLIB 1 CACHE BOOL "use Mac Framework")
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SET(LAPACK_LIBRARY "")
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MESSAGE(STATUS "Using Framework on Darwin.")
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## check goto library: does not work so well
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#FIND_LIBRARY(BLAS_LIBRARY NAMES goto
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# PATHS
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# $ENV{GOTOBLAS_HOME}
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# /usr/lib
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# /usr/local/lib
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# /sw/lib
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# )
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SET(BLAS_LIBRARY "")
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SET(BLAS_LIBRARY_INIT 1)
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ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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ENDIF(NOT HAVE_MKL)
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IF($ENV{ATLAS} MATCHES "atlas")
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IF($ENV{ATLAS} MATCHES "lapack")
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SET(LAPACK_LIBRARY_INIT 1)
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ENDIF($ENV{ATLAS} MATCHES "lapack")
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SET(BLAS_LIBRARY $ENV{ATLAS})
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SET(BLAS_LIBRARY_INIT 1)
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ENDIF($ENV{ATLAS} MATCHES "atlas")
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IF($ENV{LAPACK} MATCHES "lapack")
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SET(LAPACK_LIBRARY $ENV{LAPACK})
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SET(LAPACK_LIBRARY_INIT 1)
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ENDIF($ENV{LAPACK} MATCHES "lapack")
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#IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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# SET(LAPACK_LIBRARY $ENV{LAPACK})
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# SET(LAPACK_LIBRARY_INIT 1)
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#ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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IF(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
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SET(ELIB essl)
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IF(ENABLE_OMP)
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SET(ELIB esslsmp)
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ENDIF(ENABLE_OMP)
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IF(NOT LAPACK_LIBRARY_INIT)
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SET(LLIB lapack-SP4_${QMC_BITS} lapack)
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FIND_LIBRARY(LAPACK_LIBRARY
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NAMES ${LLIB}
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PATHS /usr/apps/math/lapack/LAPACK
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lib
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)
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FIND_LIBRARY(BLAS_LIBRARY ${ELIB}
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/usr/lib
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)
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ENDIF(NOT LAPACK_LIBRARY_INIT)
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SET(LAPACK_LIBRARY_INIT 1)
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SET(BLAS_LIBRARY_INIT 1)
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MESSAGE(STATUS "Found lapack/blas on AIX system")
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ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
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# for clapack on Windows
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IF(NOT LAPACK_LIBRARY_INIT)
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if(WIN32 AND NOT UNIX)
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set(TRIAL_PATHS "$ENV{HOMEDRIVE}$ENV{HOMEPATH}/opt/lib")
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find_library(LAPACK_LIBRARY lapack ${TRIAL_PATHS})
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find_library(BLAS_LIBRARY blas ${TRIAL_PATHS})
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if(LAPACK_LIBRARY AND BLAS_LIBRARY)
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SET(LAPACK_LIBRARY_INIT 1)
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SET(BLAS_LIBRARY_INIT 1)
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set(LAPACK_DEFINITIONS "-DBOOST_NUMERIC_BINDINGS_USE_CLAPACK=1" CACHE STRING "Lapack definitions")
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MARK_AS_ADVANCED(LAPACK_DEFINITIONS)
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MESSAGE(STATUS "Found Lapack: ${LAPACK_LIBRARY} ${BLAS_LIBRARY}")
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endif(LAPACK_LIBRARY AND BLAS_LIBRARY)
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endif(WIN32 AND NOT UNIX)
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ENDIF(NOT LAPACK_LIBRARY_INIT)
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#IF(NOT LAPACK_LIBRARY_INIT)
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# FIND_LIBRARY(LAPACK_LIBRARY NAMES lapack lapack_gnu
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# PATHS /usr/apps/math/lapack
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# /usr/lib
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# /opt/lib
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# /usr/local/lib
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# /sw/lib
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# )
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# IF(LAPACK_LIBRARY)
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# MESSAGE(STATUS "Found netlib lapack library")
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# SET(LAPACK_LIBRARY_INIT 1)
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# ENDIF(LAPACK_LIBRARY)
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#ENDIF(NOT LAPACK_LIBRARY_INIT)
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#IF(NOT BLAS_LIBRARY_INIT)
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# FIND_LIBRARY(BLAS_LIBRARY NAMES goto blas blas_gnu
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# PATHS
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# $ENV{GOTOBLAS_HOME}
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# /usr/apps/math/lapack
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# /usr/lib
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# /opt/lib
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# /usr/local/lib
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# /sw/lib
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# )
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# IF(BLAS_LIBRARY)
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# MESSAGE(STATUS "Found netlib blas")
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# SET(BLAS_LIBRARY_INIT 1)
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# ENDIF(BLAS_LIBRARY)
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#ENDIF(NOT BLAS_LIBRARY_INIT)
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# Use CMake provided LAPACK/BLAS detection code
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# Fortran compiler is needed
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IF(NOT BLAS_LIBRARY_INIT AND NOT LAPACK_LIBRARY_INIT)
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enable_language(Fortran)
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message(STATUS "Falling back to CMake provied LAPACK/BLAS detection.")
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find_package(BLAS)
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if(BLAS_FOUND)
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SET(BLAS_LIBRARY_INIT 1)
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SET(BLAS_LIBRARY ${BLAS_LIBRARIES})
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find_package(LAPACK)
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if(LAPACK_FOUND)
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SET(LAPACK_LIBRARY_INIT 1)
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SET(LAPACK_LIBRARY ${LAPACK_LIBRARIES})
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endif(LAPACK_FOUND)
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endif(BLAS_FOUND)
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ENDIF(NOT BLAS_LIBRARY_INIT AND NOT LAPACK_LIBRARY_INIT)
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### BRANDT
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### MOVED BECAUSE OF SCOPE PROBLEM
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### PROBABLY SHOULD BE FIXED
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MARK_AS_ADVANCED(
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LAPACK_LIBRARY
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BLAS_LIBRARY
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)
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IF(USE_SCALAPACK)
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SET(PNPATHS
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${MKL_PATHS}
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${BLACS_HOME}/lib
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${SCALAPACK_HOME}/lib
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/usr/lib
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/opt/lib
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/usr/local/lib
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/sw/lib
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)
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IF(INTEL_MKL)
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FIND_LIBRARY(BLACSLIB mkl_blacs_${PLAT}_lp${QMC_BITS} PATHS ${PNPATHS})
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FIND_LIBRARY(SCALAPACKLIB mkl_scalapack PATHS ${PNPATHS})
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ENDIF(INTEL_MKL)
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IF(NOT SCALAPACKLIB)
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FIND_LIBRARY(BLACSLIB blacs_MPI-${PLAT}-{BLACSDBGLVL} PATHS ${PNPATHS})
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FIND_LIBRARY(BLACSCINIT blacsCinit_MPI-${PLAT}-{BLACSDBGLVL} PATHS ${PNPATHS})
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FIND_LIBRARY(SCALAPACKLIB scalapack PATHS ${PNPATHS})
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ENDIF(NOT SCALAPACKLIB)
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IF(BLACSLIB AND SCALAPACKLIB)
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SET(FOUND_SCALAPACK 1 CACHE BOOL "Found scalapack library")
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ELSE(BLACSLIB AND SCALAPACKLIB)
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SET(FOUND_SCALAPACK 0 CACHE BOOL "Mising scalapack library")
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ENDIF(BLACSLIB AND SCALAPACKLIB)
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MARK_AS_ADVANCED(
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BLACSCINIT
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BLACSLIB
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SCALAPACKLIB
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FOUND_SCALAPACK
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)
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ENDIF(USE_SCALAPACK)
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IF(LAPACK_LIBRARY_INIT)
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SET(LAPACK_FOUND TRUE)
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ENDIF(LAPACK_LIBRARY_INIT)
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IF(ALPS_BUILD_ON_CRAY)
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MARK_AS_ADVANCED(
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BLAS_FOUND
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LAPACK_FOUND
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)
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SET(BLAS_FOUND TRUE)
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SET(LAPACK_FOUND TRUE)
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ENDIF(ALPS_BUILD_ON_CRAY)
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