# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
# $Id$

PortSystem          1.0

name                SuiteSparse
epoch               20120107
version             4.2.1
categories          math science
platforms           darwin
maintainers         michaelld openmaintainer
license             GPL-2+ LGPL-2.1+

description         Sparse matrix routines

long_description    SuiteSparse is a single archive that contains all packages \
                    authored by Tim Davis.

homepage            http://www.cise.ufl.edu/research/sparse/SuiteSparse/
master_sites        http://www.cise.ufl.edu/research/sparse/SuiteSparse/
distname            SuiteSparse-${version}
worksrcdir          ${name}

checksums           rmd160  9a2fa65845564efad79311f2ff8573217bd79f0d \
                    sha256  e8023850bc30742e20a3623fabda02421cb5774b980e3e7c9c6d9e7e864946bd

# fix Mac configuration file

patchfiles-append patch-SuiteSparce_config_Mac.mk.diff

# get path ordering correct

patchfiles-append patch-CHOLMOD_Lib_Makefile.diff

# Real -> RealPart; Imag -> ImagPart to work with some PPC

patchfiles-append patch-KLU-Include-klu_version.h.diff

# use <metis/metis.h>, and a METIS-specific type (idx_t instead of
# idxtype) and routine (METIS_ComputeVertexSeparator in place of
# METIS_NodeComputeSeparator)

patchfiles-append patch-CHOLMOD-Partition-choldmod_metis.c.diff

# do not try to build METIS

patchfiles-append \
    patch-CHOLMOD-Demo-Makefile.diff \
    patch-SPQR-Demo-Makefile.diff \
    patch-UMFPACK-Demo-Makefile.diff

configure {

    # SuiteSparse does not use a configure script, so we have to set
    # configure variables manually.

    set makefile ${worksrcpath}/SuiteSparse_config/SuiteSparse_config.mk

    copy -force \
        ${worksrcpath}/SuiteSparse_config/SuiteSparse_config_Mac.mk \
        ${makefile}

    # destroot, pretix, and build arch(es)

    reinplace "s|@DESTROOT@|${destroot}|g" ${makefile}
    reinplace "s|@PREFIX@|${prefix}|g" ${makefile}
    reinplace "s|@ARCHES@|\$(TARGET_ARCH)|g" ${makefile}

    # select BLAS and LAPACK

    set BLAS "-framework Accelerate"
    if {[variant_isset atlas]} {
        # Threaded lib gets priority over non-threaded (ppc)
        if {[file exists ${prefix}/lib/libtatlas.dylib]} {
            # linking to the threaded dylib, is there a reason to use non-threaded?
            set BLAS "${prefix}/lib/libtatlas.dylib"
        } else {
            set BLAS "${prefix}/lib/libsatlas.dylib"
        }
    }
    reinplace "s|@BLAS_LAPACK@|${BLAS}|g" ${makefile}

    # select METIS usage, per the variant

    set METIS_PATH ""
    set METIS ""
    set CHOLMOD_CONFIG "-DNPARTITION"
    if {[variant_isset metis]} {
        set METIS_PATH "${prefix}"
        set METIS "${prefix}/lib/libmetis.dylib"
        set CHOLMOD_CONFIG "\$(GPU_CONFIG)"
    }
    reinplace "s|@METIS_PATH@|${METIS_PATH}|g" ${makefile}
    reinplace "s|@METIS@|${METIS}|g" ${makefile}
    reinplace "s|@CHOLMOD_CONFIG@|${CHOLMOD_CONFIG}|g" ${makefile}
}

use_parallel_build  no

pre-build {
    build.args-append \
        CC="${configure.cc}" \
        CXX="${configure.cxx}" \
        CFLAGS="${configure.cflags}" \
        TARGET_ARCH="[get_canonical_archflags]"
}

build.target        default

post-destroot {
    # Create a dylib from all .a static libs

    set metis ""
    if {[variant_isset metis]} {
        catch {exec port installed metis} output
        if {[string match *+openmpi* ${output}]} {
            # metis installed with +openmpi variant
            set metis "-lmetis -fopenmp"
        } else {
            set metis "-lmetis"
        }
    }

    set atlas "-framework Accelerate"
    if {[variant_isset atlas]} {
        if {[file exists ${prefix}/lib/libtatlas.dylib]} {
            set atlas "-ltatlas"
        } else {
            set atlas "-lsatlas"
        }
    }

    set major [join [lrange [split ${version} .] 0 0] .]

    set libs [list libamd.a libbtf.a libcamd.a libccolamd.a \
                   libcholmod.a libcolamd.a libcxsparse.a \
                   libklu.a libldl.a librbio.a libspqr.a \
                   libsuitesparseconfig.a libumfpack.a]

    system -W ${destroot}${prefix}/lib "\
        ${configure.cxx} -Wall ${configure.cflags} [get_canonical_archflags cxx] -dynamiclib -Wl,-all_load \
        -L${prefix}/lib ${atlas} ${metis} ${libs} -o lib${name}.${version}.dylib \
        -compatibility_version ${major} -current_version ${version} \
        -install_name ${prefix}/lib/lib${name}.${version}.dylib"

    ln -s lib${name}.${version}.dylib ${destroot}${prefix}/lib/lib${name}.dylib
    ln -s lib${name}.${version}.dylib ${destroot}${prefix}/lib/lib${name}.${major}.dylib

    # install documentation

    xinstall -m 755 -d ${destroot}${prefix}/share/doc/${name}
    eval xinstall -m 644 \
        [glob ${worksrcpath}/*/Doc/*.pdf] \
        ${destroot}${prefix}/share/doc/${name}
}

variant metis description {Include METIS for graph partitioning and sparse matrix ordering} {
    depends_lib-append port:metis
}

variant atlas description {Use MacPorts' ATLAS instead of Accelerate Framework} {
    depends_lib-append port:atlas
}

livecheck.type      regex
livecheck.regex     ${name}-(\\d+(\\.\\d+)*)${extract.suffix}