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# Copyright 2013-2020 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 Libpng(AutotoolsPackage):
"""libpng is the official PNG reference library."""
homepage = "http://www.libpng.org/pub/png/libpng.html"
url = "https://github.com/glennrp/libpng/archive/v1.6.37.tar.gz"
git = "https://github.com/glennrp/libpng.git"
version('1.6.37', sha256='ca74a0dace179a8422187671aee97dd3892b53e168627145271cad5b5ac81307')
# From http://www.libpng.org/pub/png/libpng.html (2019-04-15)
# libpng versions 1.6.36 and earlier have a use-after-free bug in the
# simplified libpng API png_image_free(). It has been assigned ID
# CVE-2019-7317. The vulnerability is fixed in version 1.6.37,
# released on 15 April 2019.
# Required for qt@3
version('1.2.57', sha256='7f415186d38ca71c23058386d7cf5135c8beda821ee1beecdc2a7a26c0356615')
depends_on('zlib@1.0.4:') # 1.2.5 or later recommended
def configure_args(self):
args = [
# not honored, see
# https://sourceforge.net/p/libpng/bugs/210/#33f1
# '--with-zlib=' + self.spec['zlib'].prefix,
'CPPFLAGS={0}'.format(self.spec['zlib'].headers.include_flags),
'LDFLAGS={0}'.format(self.spec['zlib'].libs.search_flags)
]
return args
def check(self):
# Libpng has both 'check' and 'test' targets that are aliases.
# Only need to run the tests once.
make('check')
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