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# Copyright 2013-2022 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 HealpixCxx(AutotoolsPackage):
    """Healpix-CXX is a C/C++ library for calculating
    Hierarchical Equal Area isoLatitude Pixelation of a sphere."""

    homepage = "https://healpix.sourceforge.io"
    url      = "https://ayera.dl.sourceforge.net/project/healpix/Healpix_3.50/healpix_cxx-3.50.0.tar.gz"

    version('3.50.0', sha256='6538ee160423e8a0c0f92cf2b2001e1a2afd9567d026a86ff6e2287c1580cb4c')

    depends_on('cfitsio')
    depends_on('libsharp', type='build')

    def patch(self):
        spec = self.spec
        configure_fix = FileFilter('configure')
        # Link libsharp static libs
        configure_fix.filter(
            r'^SHARP_LIBS=.*$',
            'SHARP_LIBS="-L{0} -lsharp -lc_utils -lfftpack -lm"'
            .format(spec['libsharp'].prefix.lib)
        )