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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 Nekbone(Package):
"""NEK5000 emulation software called NEKbone. Nekbone captures the basic
structure and user interface of the extensive Nek5000 software.
Nek5000 is a high order, incompressible Navier-Stokes solver based on
the spectral element method."""
homepage = "https://github.com/Nek5000/Nekbone"
git = "https://github.com/Nek5000/Nekbone.git"
tags = ["proxy-app", "ecp-proxy-app"]
license("mpich2")
version("develop", branch="master")
version(
"17.0",
sha256="ae361cc61368a924398a28a296f675b7f0c4a9516788a7f8fa3c09d787cdf69b",
url="https://github.com/Nek5000/Nekbone/archive/v17.0.tar.gz",
extension=".tar.gz",
)
# Variants
variant("mpi", default=True, description="Build with MPI")
# dependencies
depends_on("mpi", when="+mpi")
@run_before("install")
def fortran_check(self):
if not self.compiler.fc:
msg = "Nekbone can not be built without a Fortran compiler."
raise RuntimeError(msg)
def install(self, spec, prefix):
mkdir(prefix.bin)
fc = self.compiler.fc
cc = self.compiler.cc
if "+mpi" in spec:
fc = spec["mpi"].mpif77
cc = spec["mpi"].mpicc
# Install Nekbone in prefix.bin
install_tree(self.stage.source_path, prefix.bin.Nekbone)
# Install scripts in prefix.bin
nekpmpi = "test/example1/nekpmpi"
makenek = "test/example1/makenek"
install(makenek, prefix.bin)
install(nekpmpi, prefix.bin)
error = Executable(fc)("empty.f", output=str, error=str, fail_on_error=False)
fflags = ""
if "gfortran" in error or "GNU" in error or "gfortran" in fc:
# Use '-std=legacy' to suppress an error that used to be a
# warning in previous versions of gfortran.
fflags = " -std=legacy"
with working_dir(prefix.bin):
filter_file(
r"^SOURCE_ROOT\s*=.*", 'SOURCE_ROOT="' + prefix.bin.Nekbone + '/src"', "makenek"
)
filter_file(r"^CC\s*=.*", 'CC="' + cc + '"', "makenek")
filter_file(r"^F77\s*=.*", 'F77="' + fc + fflags + '"', "makenek")
if "+mpi" not in spec:
filter_file(r"^#IFMPI=\"false\"", 'IFMPI="false"', "makenek")
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