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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 Scs(MakefilePackage):
"""A C package that solves convex cone problems via operator splitting"""
homepage = "https://github.com/cvxgrp/scs"
url = "https://github.com/cvxgrp/scs/archive/2.1.1.tar.gz"
version('2.1.1', sha256='0e20b91e8caf744b84aa985ba4e98cc7235ee33612b2bad2bf31ea5ad4e07d93')
variant('cuda', default=False, description='Build with Cuda support')
depends_on('blas')
depends_on('lapack')
depends_on('cuda', when='+cuda')
# make sure install_gpu target installs all libs not only the gpu ones
patch('make_gpu.patch')
def edit(self, spec, prefix):
filter_file(r'-lblas', spec['blas'].libs.ld_flags, 'scs.mk')
filter_file(r'-llapack', spec['lapack'].libs.ld_flags, 'scs.mk')
def build(self, spec, prefix):
if '+cuda' in spec:
make('default', 'gpu')
else:
make()
def install(self, spec, prefix):
if '+cuda' in spec:
make('PREFIX=' + prefix, 'install_gpu')
else:
make('PREFIX=' + prefix, 'install')
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