# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:et:sw=4:ts=4:sts=4
# $Id: Portfile 143595 2015-12-15 16:46:57Z michaelld@macports.org $

PortSystem          1.0
PortGroup           octave 1.0

octave.setup        symbolic 2.2.4
platforms           darwin
license             GPL-3
maintainers         gmail.com:mschamschula openmaintainer
description         Symbolic toolbox based on SymPy.

long_description    ${description}

checksums           rmd160 d4fc2f675cdea87d5de05c981653c2d34b1454d5 \
                    sha256 e2d377f5233c494b4ee0db4a47adfe5c897628271cc0fa8932e3c257cc142d31

# fix default Python to be within MacPorts

patchfiles-append   patch-inst_sympref.m.diff

variant python27 description "Use Python 2.7 SymPy" conflicts python34 {
    depends_lib-append  port:python27 \
                        port:py27-sympy
    
    post-patch {
        reinplace "s|@PYTHON@|${prefix}/bin/python2.7|g" \
            ${worksrcpath}/inst/sympref.m
    }
    configure.env-append \
        PYTHON=${prefix}/bin/python2.7
}

variant python34 description "Use Python 3.4 SymPy" conflicts python27 {
    depends_lib-append  port:python34 \
                        port:py34-sympy
    
    post-patch {
        reinplace "s|@PYTHON@|${prefix}/bin/python3.4|g" \
            ${worksrcpath}/inst/sympref.m
    }
    configure.env-append \
        PYTHON=${prefix}/bin/python3.4
}

if {![variant_isset python27] && ![variant_isset python34]} {
    default_variants +python27
}

# make sure -python27 was not specified alone

if {![variant_isset python27] && ![variant_isset python34]} {

    ui_error "\n\nYou must select either the +python27 or +python34 variant.\n"
    return -code error "Invalid variant selection"

}