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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)
import re
from spack.package import *
class Diffutils(AutotoolsPackage, GNUMirrorPackage):
"""GNU Diffutils is a package of several programs related to finding
differences between files."""
tags = ['core-packages']
executables = [r'^diff$']
homepage = "https://www.gnu.org/software/diffutils/"
gnu_mirror_path = "diffutils/diffutils-3.7.tar.xz"
version('3.8', sha256='a6bdd7d1b31266d11c4f4de6c1b748d4607ab0231af5188fc2533d0ae2438fec')
version('3.7', sha256='b3a7a6221c3dc916085f0d205abf6b8e1ba443d4dd965118da364a1dc1cb3a26')
version('3.6', sha256='d621e8bdd4b573918c8145f7ae61817d1be9deb4c8d2328a65cea8e11d783bd6')
build_directory = 'spack-build'
patch('nvhpc.patch', when='@3.7 %nvhpc')
patch('intprops-workaround-nvc-22.1-bug.patch', sha256='146b7021bb0a304a3d1c0638956c4e735c2076d292d238f2806efadc972d99e5', when='@3.8 %nvhpc')
conflicts('%nvhpc', when='@:3.6,3.8:')
depends_on('iconv')
def setup_build_environment(self, env):
if self.spec.satisfies('%fj'):
env.append_flags('CFLAGS',
'-Qunused-arguments')
@classmethod
def determine_version(cls, exe):
output = Executable(exe)('--version', output=str, error=str)
match = re.search(r'diff \(GNU diffutils\) (\S+)', output)
return match.group(1) if match else None
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