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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.package import *


class Unifdef(MakefilePackage):
    """The unifdef utility selectively processes conditional C preprocessor #if
    and #ifdef directives. It removes from a file both the directives and the
    additional text that they delimit, while otherwise leaving the file
    alone."""

    homepage = "https://dotat.at/prog/unifdef/"
    url      = "https://dotat.at/prog/unifdef/unifdef-2.11.tar.xz"

    maintainers = ['matthiasdiener']

    version('2.11', sha256='828ffc270ac262b88fe011136acef2780c05b0dc3c5435d005651740788d4537')

    def edit(self, spec, prefix):
        makefile = FileFilter('Makefile')
        makefile.filter(r'\$\{HOME\}', prefix)