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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 PyCharm4py(PythonPackage):
"""Charm4py (Charm++ for Python) is a distributed computing and parallel
programming framework for Python, for the productive development of fast,
parallel and scalable applications. It is built on top of Charm++, a C++
adaptive runtime system that has seen extensive use in the scientific and
high-performance computing (HPC) communities across many disciplines, and
has been used to develop applications that run on a wide range of devices:
from small multi-core devices up to the largest supercomputers."""
homepage = "https://charmpy.readthedocs.io"
pypi = "charm4py/charm4py-1.0.tar.gz"
# Add a list of GitHub accounts to
# notify when the package is updated.
maintainers("payerle")
version("1.0", sha256="8ddb9f021b7379fde94b28c31f4ab6a60ced2c2a207a2d75ce57cb91b6be92bc")
variant(
"mpi",
default=True,
description="build Charm++ library with the MPI instead of TCP" " communication layer",
)
# Builds its own charm++, so no charmpp dependency
depends_on("python@2.7:2.8,3.4:", type=("build", "run"))
depends_on("py-setuptools", type="build")
# in newer pip versions --install-option does not exist
depends_on("py-pip@:23.0", type="build")
depends_on("py-cython", type="build")
depends_on("py-cffi@1.7:", type="build")
depends_on("py-numpy@1.10.0:", type=("build", "run"))
depends_on("py-greenlet", type=("build", "run"))
depends_on("autoconf", type="build")
depends_on("automake", type="build")
depends_on("cuda")
depends_on("mpi", when="+mpi")
# setup.py builds its own charm++, but libcharm.so
# ends up with a cuda dependency causing unresolved symbol errors
# when setup.py tries to load it to get version. We need to explicitly
# link libcudart when building the charm++ library.
# To do this, the following patch:
# 1) hacks setup.py to apply a patch to the charm++ Makefile
# causing the Makefile to include libcudart when building libcharm.so
# 2) inserts the patchfile needed to do so.
# This is convoluted, but best way I see since setup.py untars the
# charm++ sources and we need to patch a file that is in the tarball.
#
# The patch to the Makefile adds SPACK_CHARM4PY_EXTRALIBS to the link
# arguments. This needs to be set in the environment to be effective.
patch("py-charm4py.makefile.patch", when="@1.0")
# This sets the SPACK_CHARM4PY_EXTRALIBS env var which the
# py-charm4py.makefile.patch adds to the build/link command for
# libcharm.so.
def setup_build_environment(self, env):
env.set("SPACK_CHARM4PY_EXTRALIBS", self.spec["cuda"].libs.ld_flags)
def install_options(self, spec, prefix):
args = []
if "+mpi" in spec:
args.append("--mpi")
return args
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