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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 NnC(AutotoolsPackage):
"""nn: Natural Neighbours interpolation. nn is a C code
for Natural Neighbours interpolation of 2D scattered data.
It provides a C library and a command line utility nnbathy."""
homepage = "https://github.com/sakov/nn-c"
git = "https://github.com/sakov/nn-c.git"
version('master', branch='master')
version('1.86.2', commit='343c7784d38d3270d75d450569fc0b64767c37e9')
variant('pic', default=True,
description='Produce position-independent code (for shared libs)')
configure_directory = 'nn'
def configure_args(self):
args = []
if '+pic' in self.spec:
args.extend([
'CFLAGS={0}'.format(self.compiler.cc_pic_flag),
'CXXFLAGS={0}'.format(self.compiler.cxx_pic_flag),
'FFLAGS={0}'.format(self.compiler.fc_pic_flag)
])
return args
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