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# (C) Copyright 2020- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.
macro( ectrans_find_lapack )
# This macro sets the LAPACK_LIBRARIES variable
# IF MKL is preferred, unless ENABLE_MKL=OFF
if( HAVE_MKL )
set( LAPACK_LIBRARIES ${MKL_LIBRARIES} )
else()
# Following libsci code should disappear soon, with more recent cmake versions (needs more investigation)
set( _cray_libsci_loaded $ENV{CRAY_LIBSCI_DIR} )
if( _cray_libsci_loaded )
set( _CRAY_PRGENV $ENV{PE_ENV} )
string( TOLOWER "${_CRAY_PRGENV}" _cray_prgenv )
set( LAPACK_LIBRARIES sci_${_cray_prgenv} )
ecbuild_debug( "LAPACK found, already loaded as part of Cray's libsci" )
else()
ecbuild_find_package( NAME LAPACK REQUIRED )
if( TARGET lapack )
ecbuild_debug( "LAPACK found as CMake target lapack" )
set( LAPACK_LIBRARIES lapack )
endif()
endif()
endif()
ecbuild_debug_var( LAPACK_LIBRARIES )
endmacro()
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