# -*- 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              fgsl
version           0.9.4
revision          2
categories        math science
maintainers       takeshi
license           GPL-2
description       Fortran interface to the GNU scientific library
long_description  \
    A portable, object-based Fortran interface to the GNU scientific library, \
    a collection of numerical routines for scientific computing.
homepage          http://www.lrz.de/services/software/mathematik/gsl/fortran/
platforms         darwin
master_sites      ${homepage}
checksums         md5     cee6760809bc1ddbb6172fc8818a76b2 \
                  sha1    82f3047a3b1b1970fae741946fd8479f15595362 \
                  rmd160  7c12162b4fb64746d91715756c01e52dbb4e0e09
depends_lib       port:gsl
patch {
    reinplace "s| \$bits | \"\$bits\" |" ${worksrcpath}/configure
    reinplace "s|uname -i|uname -m|" ${worksrcpath}/configure
    reinplace "s|fgsl_doc|share/doc/fgsl|" ${worksrcpath}/Makefile
    reinplace "s|\$(PREFIX)|\$(DESTDIR)\$(PREFIX)|" ${worksrcpath}/Makefile
    reinplace "s|error_3\.exe||" ${worksrcpath}/doc/examples/Makefile
}

set gcc_versions {4.3 4.4 4.5 4.6 4.7 4.8 4.9}
set default_fortran_variant +gcc48
set g95_conflicts {}

foreach ver ${gcc_versions} {
    set ver_no_dot [join [split ${ver} "."] ""]

    set variant_line {variant gcc${ver_no_dot} description "build with gfortran from gcc${ver_no_dot}" conflicts g95}

    foreach over ${gcc_versions} {
        if {${ver} == ${over}} {
            continue
        }

        set over_no_dot [join [split ${over} "."] ""]
        append variant_line " conflicts gcc${over_no_dot}"
    }
    append variant_line { {}}

    eval $variant_line

    append g95_conflicts " conflicts gcc${ver_no_dot}"

    if {[variant_isset gcc${ver_no_dot}]} {
        if {${default_fortran_variant} != "+gcc${ver_no_dot}"} {
            set default_fortran_variant ""
        }
    }
}

eval [concat {variant g95 description {build with g95}} $g95_conflicts {{}}]

if {[variant_isset g95]} {
    if {${default_fortran_variant} != "+g95"} {
        set default_fortran_variant ""
    }
}

if {${default_fortran_variant} != ""} {
    default_variants-append "${default_fortran_variant}"
}

foreach ver ${gcc_versions} {
    set ver_no_dot [join [split ${ver} "."] ""]

    if {[variant_isset gcc${ver_no_dot}]} {
        depends_lib-append path:lib/libgcc/libgcc_s.1.dylib:libgcc
        depends_build-append port:gcc${ver_no_dot}

        configure.fc  ${prefix}/bin/gfortran-mp-${ver}
        configure.f77 ${prefix}/bin/gfortran-mp-${ver}
        configure.f90 ${prefix}/bin/gfortran-mp-${ver}
        set f90 gfortran-mp-${ver}
    }
}

if {[variant_isset g95]} {
    depends_lib-append path:lib/libgcc/libgcc_s.1.dylib:libgcc
    depends_build-append port:g95

    configure.fc ${prefix}/bin/g95
    configure.f77 ${prefix}/bin/g95
    configure.f90 ${prefix}/bin/g95
    set f90 g95
} else {
    post-patch {
        reinplace "s|gfortran|${f90}|" ${worksrcpath}/configure
    }
}

configure.pre_args-delete --prefix=${prefix}
configure.args    "--prefix ${prefix} --f90 ${f90} --cc ${configure.cc} --gsl ${prefix}"

post-destroot {
    xinstall -m 755 -d ${destroot}${prefix}/share/${name}/examples
    eval xinstall -m 644 [glob ${worksrcpath}/doc/examples/*] ${destroot}${prefix}/share/${name}/examples
    xinstall -m 644 ${worksrcpath}/make.inc ${destroot}${prefix}/share/${name}
    reinplace "s|../make.inc|make.inc|" ${destroot}${prefix}/share/${name}/examples/Makefile
    reinplace "s|-I../..|-I${prefix}/include/\$(F90)|" ${destroot}${prefix}/share/${name}/examples/Makefile
}

universal_variant no

livecheck.type  regex
livecheck.url   ${homepage}
livecheck.regex {Download .*version ([0-9]+\.[0-9]+\.*[0-9]*)}