# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack import *


class Mrtrix3(Package):
    """MRtrix provides a set of tools to perform various advanced diffusion MRI
       analyses, including constrained spherical deconvolution (CSD),
       probabilistic tractography, track-density imaging, and apparent fibre
       density."""

    homepage = "http://www.mrtrix.org/"
    git      = "https://github.com/MRtrix3/mrtrix3.git"

    version('2017-09-25', commit='72aca89e3d38c9d9e0c47104d0fb5bd2cbdb536d')

    depends_on('python@2.7:', type=('build', 'run'))
    depends_on('py-numpy', type=('build', 'run'))
    depends_on('mesa-glu')
    depends_on('qt+opengl@4.7:')
    depends_on('eigen')
    depends_on('zlib')
    depends_on('libtiff')
    depends_on('fftw')

    conflicts('%gcc@7:', when='@2017-09-25')  # MRtrix3/mrtrix3#1041

    def install(self, spec, prefix):
        configure = Executable('./configure')
        build = Executable('./build')
        configure()
        build()
        install_tree('.', prefix)

    def setup_environment(self, spac_env, run_env):
        run_env.prepend_path('PATH', self.prefix)
