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#-------------------------------------------------------------------------------
# SuiteSparse/SuiteSparse_config/cmake_modules/SuiteSparseBLAS64.cmake
#-------------------------------------------------------------------------------
# SuiteSparse_config, Copyright (c) 2012-2023, Timothy A. Davis.
# All Rights Reserved.
# SPDX-License-Identifier: BSD-3-clause
#-------------------------------------------------------------------------------
# actions taken when a 64-bit BLAS has been found
message ( STATUS "Found ${BLA_VENDOR} 64-bit BLAS" )
add_compile_definitions ( BLAS_${BLA_VENDOR} )
add_compile_definitions ( BLAS64 )
set ( SuiteSparse_BLAS_integer "int64_t" )
#-------------------------------------------------------------------------------
# Examine the suffix appended to the Fortran 64-bit BLAS+LAPACK functions
#-------------------------------------------------------------------------------
# OpenBLAS can be compiled by appending a suffix to each routine, so that the
# Fortan routine dgemm becomes dgemm_64, which denotes a version of dgemm with
# 64-bit integer parameters. The Sun Performance library does the same thing.
# If the suffix does not contain "_", use (Sun Perf., for example):
# cd build && cmake -DBLAS64_SUFFIX="64" ..
# If the suffix contains "_" (OpenBLAS in spack for example), use the
# following:
# cd build && cmake -DBLAS64_SUFFIX="_64" ..
# This setting could be used by the spack packaging of SuiteSparse when linked
# with the spack-installed OpenBLAS with 64-bit integers. See
# https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/suite-sparse/package.py
if ( DEFINED BLAS64_SUFFIX )
# append BLAS64_SUFFIX to each BLAS and LAPACK function name
string ( FIND ${BLAS64_SUFFIX} "_" HAS_UNDERSCORE )
message ( STATUS "BLAS64_suffix: ${BLAS64_SUFFIX}" )
if ( HAS_UNDERSCORE EQUAL -1 )
message ( STATUS "BLAS64 suffix has no underscore" )
add_compile_definitions ( BLAS64_SUFFIX=${BLAS64_SUFFIX} )
else ( )
message ( STATUS "BLAS64 suffix has an underscore" )
add_compile_definitions ( BLAS64__SUFFIX=${BLAS64_SUFFIX} )
endif ( )
endif ( )
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