casa-mp-base

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#

# This PortGroup sets up variants for serial linear algebra (Accelerate/ATLAS/OpenBLAS/OpenBLAS-devel).

#

# Usage:

#

#   PortGroup               linear_algebra 1.0

#

#   If only BLAS and not LAPACK is used, set:

#   linalg.setup blas_only

#   If BLAS/LAPACK are only called from C and not Fortran, then Accelerate can be used

#   directly and vecLibFort is not needed. Set:

#   linalg.setup noveclibfort

#

#   in pre-configure, a line like this may be needed:

#   configure.args-append --with-blas="-L${prefix}/lib ${linalglib}"

#

#   If +threads and +atlas are set, the threaded ATLAS library will be used.

#

​

# scalapack.

​

PortGroup active_variants 1.1

​

default linalglib ""

default blas_only 0

default noveclibfort 0

​

proc linalg.setup {args} {

    global blas_only, noveclibfort

​

    foreach v $args {

        if {$v == "blas_only"} {

            set blas_only 1

        } elseif {$v == "noveclibfort"} {

            set noveclibfort 1

        } else {

            ui_error "Internal error: Unknown argument '$v' to linalg.setup."

            return -code error "Internal error: Unknown argument '$v' to linalg.setup."

        }

    }

}

​

if {![variant_isset accelerate] && ![variant_isset atlas] && ![variant_isset openblas]} {

    default_variants-append +accelerate

}

​

# choose one of the following for serial linear algebra

variant accelerate conflicts atlas openblas description {Build with linear algebra from built-in Accelerate framework} {

    if {$noveclibfort == 0} {

        depends_lib-append      port:vecLibFort

        set linalglib           -lvecLibFort

    } else {

        set linalglib           "-framework Accelerate"

    }

}

​

variant atlas conflicts accelerate openblas description {Build with linear algebra from ATLAS} {

    depends_lib-append      port:atlas

    if {[variant_isset threads]} {

        set linalglib       -ltatlas

    } else {