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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 Libpng(AutotoolsPackage):
"""libpng is the official PNG reference library."""
homepage = "http://www.libpng.org/pub/png/libpng.html"
url = "http://download.sourceforge.net/libpng/libpng-1.6.37.tar.gz"
list_url = "https://sourceforge.net/projects/libpng/files/"
list_depth = 2
version('1.6.37', sha256='daeb2620d829575513e35fecc83f0d3791a620b9b93d800b763542ece9390fb4')
# 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='09ec37869fc5b130f5eb06ffb9bf949796e8d2d78e0788f78ab1c78624c6e9da')
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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