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# 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 Casacore(CMakePackage):
    """A suite of c++ libraries for radio astronomy data processing."""

    homepage = "https://github.com/casacore/casacore"
    url      = "https://github.com/casacore/casacore/archive/v2.4.1.tar.gz"

    version('2.4.1', '88fdbdadbc1320290c36f1605d3bd9e7')

    variant('openmp', default=False, description='Build OpenMP support')
    variant('shared', default=True, description='Build shared libraries')
    variant('sofa', default=False, description='Build SOFA support')
    variant('fftw', default=False, description='Build FFTW3 support')
    variant('hdf5', default=False, description='Build HDF5 support')
    variant('python', default=False, description='Build python support')
    variant('ncurses', default=False, description='Build ncurses support')

    depends_on('flex', type='build')
    depends_on('bison', type='build')
    depends_on('blas')
    depends_on('lapack')
    depends_on('cfitsio@3.181:')
    depends_on('wcslib@4.20:')
    depends_on('fftw~mpi@3.0.0:', when='+fftw')
    depends_on('sofa-c', when='+sofa')
    depends_on('hdf5', when='+hdf5')
    depends_on('ncurses', when='+ncurses')
    depends_on('python@2.6:', when='+python')
    depends_on('boost+python', when='+python')
    depends_on('py-numpy', when='+python')

    def cmake_args(self):
        args = []
        spec = self.spec

        if '+shared' in spec:
            args.append('-DENABLE_SHARED=YES')
        else:
            args.append('-DENABLE_SHARED=NO')

        if '+openmp' in spec:
            args.append('-DUSE_OPENMP=YES')
        else:
            args.append('-DUSE_OPENMP=NO')

        if '+hdf5' in spec:
            args.append('-DUSE_HDF5=YES')
        else:
            args.append('-DUSE_HDF5=NO')

        if '+fftw' in spec:
            args.append('-DUSE_FFTW3=YES')
        else:
            args.append('-DUSE_FFTW3=NO')

        # Python2 and Python3 binding
        if('+python' not in spec):
            args.extend(['-DBUILD_PYTHON=NO', '-DBUILD_PYTHON3=NO'])
        elif(spec['python'].version >= Version('3.0.0')):
            args.extend(['-DBUILD_PYTHON=NO', '-DBUILD_PYTHON3=YES'])
        else:
            args.extend(['-DBUILD_PYTHON=YES', '-DBUILD_PYTHON3=NO'])

        return args