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# Copyright 2013-2024 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.package 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"
license("MIT")
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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