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# Copyright 2013-2021 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 Numdiff(AutotoolsPackage):
"""Numdiff is a little program that can be used to compare putatively
similar files line by line and field by field, ignoring small numeric
differences or/and different numeric formats."""
homepage = 'https://www.nongnu.org/numdiff'
url = 'http://nongnu.askapache.com/numdiff/numdiff-5.8.1.tar.gz'
version('5.9.0', sha256='87284a117944723eebbf077f857a0a114d818f8b5b54d289d59e73581194f5ef')
version('5.8.1', sha256='99aebaadf63325f5658411c09c6dde60d2990c5f9a24a51a6851cb574a4af503')
variant('nls', default=False,
description="Enable Natural Language Support")
variant('gmp', default=False,
description="Use GNU Multiple Precision Arithmetic Library")
depends_on('gettext', when='+nls')
depends_on('gmp', when='+gmp')
def configure_args(self):
spec = self.spec
args = []
if '+nls' in spec:
args.append('--enable-nls')
else:
args.append('--disable-nls')
if '+gmp' in spec:
# compile with -O0 as per upstream known issue with optimization
# and GMP; https://launchpad.net/ubuntu/+source/numdiff/+changelog
# http://www.nongnu.org/numdiff/#issues
# keep this variant off by default as one still encounter
# GNU MP: Cannot allocate memory (size=2305843009206983184)
args.extend([
'--enable-gmp',
'CFLAGS=-O0'
])
else:
args.append('--disable-gmp')
return args
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