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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 Mlpack(CMakePackage):
"""mlpack is an intuitive, fast, and flexible header-only C++ machine
learning library with bindings to other languages. It is meant to be
a machine learning analog to LAPACK, and aims to implement a wide
array of machine learning methods and functions as a "swiss army knife"
for machine learning researchers."""
homepage = "https://www.mlpack.org/"
url = "https://github.com/mlpack/mlpack/archive/refs/tags/4.0.1.tar.gz"
maintainers("wdconinc")
license("BSD-3-Clause")
version("4.2.0", sha256="f780df984a71029e62eeecdd145fb95deb71b133cefc7840de0ec706d116dd60")
version("4.1.0", sha256="e0c760baf15fd0af5601010b7cbc536e469115e9dd45f96712caa3b651b1852a")
version("4.0.1", sha256="4c746936ed9da9f16744240ed7b9f2815d3abb90c904071a1d1a628a9bbfb3a5")
# TODO: Go bindings are not supported due to the absence of gonum in spack
# variant("go", default=False, description="Build Go bindings")
variant("julia", default=False, description="Build Julia bindings")
variant("python", default=False, description="Build Ppython bindings")
variant("r", default=False, description="Build R bindings")
variant("shared", default=True, description="Build shared libraries")
# CMakeLists.txt
depends_on("cmake@3.6:", type="build")
depends_on("armadillo@9.800:")
depends_on("ensmallen@2.10.0:")
depends_on("cereal@1.1.2:")
# TODO: Go bindings are not supported due to the absence of gonum in spack
# with when("+go"):
# # ref: src/mlpack/bindings/go/CMakeLists.txt
# depends_on("go@1.11.0:")
# depends_on("gonum")
with when("+julia"):
# ref: src/mlpack/bindings/julia/CMakeLists.txt
depends_on("julia@0.7.0:")
with when("+python"):
# ref: src/mlpack/bindings/python/CMakeLists.txt
depends_on("py-cython@0.24:")
depends_on("py-numpy")
depends_on("py-pandas@0.15.0:")
# ref: src/mlpack/bindings/python/PythonInstall.cmake
depends_on("py-pip")
depends_on("py-wheel")
with when("+r"):
# ref: src/mlpack/bindings/R/CMakeLists.txt
depends_on("r@4.0:")
depends_on("r-roxygen2")
depends_on("r-rcpp@0.12.12:")
depends_on("r-rcpparmadillo@0.9.800:")
depends_on("r-rcppensmallen@0.2.10.0:")
depends_on("r-testthat")
depends_on("r-pkgbuild")
patch(
"https://github.com/mlpack/mlpack/pull/3502/commits/183396e51a6771d5d2b43f22b0d2a9a91785e533.patch?full_index=1",
sha256="eaa1791ca874201cca5fb661f44e0038f9996b2d02dac6c71d42935eac56a2b4",
when="@4:4.2.0",
)
def cmake_args(self):
args = [
self.define("BUILD_CLI_EXECUTABLES", True),
# self.define_from_variant("BUILD_GO_BINDINGS", "go"),
self.define_from_variant("BUILD_JULIA_BINDINGS", "julia"),
self.define_from_variant("BUILD_PYTHON_BINDINGS", "python"),
self.define_from_variant("BUILD_R_BINDINGS", "r"),
self.define_from_variant("BUILD_SHARED_LIBS", "shared"),
self.define("BUILD_TESTS", self.run_tests),
self.define("DOWNLOAD_DEPENDENCIES", False),
]
return args
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