# 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 Liblbfgs(AutotoolsPackage):
    """libLBFGS is a C port of the implementation of Limited-memory
       Broyden-Fletcher-Goldfarb-Shanno (L-BFGS) method written by Jorge Nocedal.

       The L-BFGS method solves the unconstrainted minimization problem:
           minimize F(x), x = (x1, x2, ..., xN),
       only if the objective function F(x) and its gradient G(x) are computable."""

    homepage = "http://www.chokkan.org/software/liblbfgs/"
    url      = "https://github.com/downloads/chokkan/liblbfgs/liblbfgs-1.10.tar.gz"
    git      = "https://github.com/chokkan/liblbfgs.git"

    maintainers = ['RemiLacroix-IDRIS']

    version('master', branch='master')
    version('1.10', sha256='4158ab7402b573e5c69d5f6b03c973047a91e16ca5737d3347e3af9c906868cf')

    depends_on('autoconf', type='build', when='@master')
    depends_on('automake', type='build', when='@master')
    depends_on('libtool',  type='build', when='@master')
    depends_on('m4',       type='build', when='@master')

Add new package. (#22639)