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# Copyright 2013-2018 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 NlohmannJson(CMakePackage):
"""JSON for Modern C++"""
homepage = "https://nlohmann.github.io/json/"
url = "https://github.com/nlohmann/json/archive/v3.1.2.tar.gz"
maintainers = ['ax3l']
version('3.3.0', sha256='2fd1d207b4669a7843296c41d3b6ac5b23d00dec48dba507ba051d14564aa801')
version('3.2.0', sha256='2de558ff3b3b32eebfb51cf2ceb835a0fa5170e6b8712b02be9c2c07fcfe52a1')
version('3.1.2', sha256='e8fffa6cbdb3c15ecdff32eebf958b6c686bc188da8ad5c6489462d16f83ae54')
version('3.1.1', sha256='9f3549824af3ca7e9707a2503959886362801fb4926b869789d6929098a79e47')
variant('single_header', default=True,
description='Use amalgamated single-header')
variant('test', default=True,
description='Build the tests')
depends_on('cmake@3.8:', type='build')
# requires mature C++11 implementations
conflicts('%gcc@:4.7')
# v3.3.0 adds support for gcc 4.8
# https://github.com/nlohmann/json/releases/tag/v3.3.0
conflicts('%gcc@:4.8', when='@:3.2.9')
conflicts('%intel@:16')
conflicts('%pgi@:14')
def cmake_args(self):
spec = self.spec
args = [
'-DJSON_MultipleHeaders:BOOL={0}'.format(
'ON' if '~single_header' in spec else 'OFF'),
'-DBUILD_TESTING:BOOL={0}'.format(
'ON' if '+test' in spec else 'OFF')
]
return args
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