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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 Xpmem(AutotoolsPackage):
"""XPMEM is a Linux kernel module that enables a process to map the memory
of another process into its virtual address space."""
# The README file of the repository says that the development was
# transferred to a new repository on GitLab: https://gitlab.com/hjelmn/xpmem
# However, it looks like that the repository on GitHub has a more recent
# version of the codebase.
homepage = "https://github.com/hjelmn/xpmem"
url = "https://github.com/hjelmn/xpmem/archive/v2.6.3.tar.gz"
git = "https://github.com/hjelmn/xpmem.git"
maintainers("skosukhin")
license("LGPL-2.1-or-later")
version("master", branch="master")
# Versions starting 2.6.4 are neither tagged nor released in the repo
# (the choice of commits is based on the commit history of
# 'kernel/xpmem_private.h'):
version("2.6.5-36", commit="0d0bad4e1d07b38d53ecc8f20786bb1328c446da")
version("2.6.5", commit="4efeed9cbaabe971f3766d67cb108e2c3316d4b8")
version("2.6.4", commit="522054850e4d1479d69f50f7190d1548bf9749fd")
# Released versions:
version("2.6.3", sha256="ee239a32269f33234cdbdb94db29c12287862934c0784328d34aff82a9fa8b54")
version("2.6.2", sha256="2c1a93b4cb20ed73c2093435a7afec513e0e797aa1e49d4d964cc6bdae89d65b")
variant("kernel-module", default=True, description="Enable building the kernel module")
# Added RHEL 8.3 kernel support
# Here 2.6.5-36 referes to 2.6.5 version and 36th commit id
patch("xpmem_v2.6.5-36.patch", when="@2.6.5-36", level=1)
patch(
"https://github.com/hjelmn/xpmem/commit/cbd6e5bd3d2a1d3823c335ddcd3c57b94474f578.patch?full_index=1",
sha256="75299398b6c15546479bfbb8aa972431f58637fe2f0328196a26738bd7148140",
when="@2.6.5-36",
level=1,
)
patch(
"https://github.com/hjelmn/xpmem/commit/7d346aaf1fdfc24d38cebb4ad107b7f5c43769e9.patch?full_index=1",
sha256="6be8c5f33d55c611924d8412253740f6f4b738e6d98e32981fa300d2ccbe99cc",
when="@2.6.5-36",
level=1,
)
depends_on("autoconf", type="build")
depends_on("automake", type="build")
depends_on("libtool", type="build")
depends_on("m4", type="build")
# It will become possible to disable the kernel module only starting 2.6.6:
# https://github.com/hjelmn/xpmem/pull/24
conflicts("~kernel-module", when="@:2.6.5")
# Ideally, we should list all non-Linux-based platforms here:
conflicts("+kernel-module", when="platform=darwin")
# All compilers except for gcc are in conflict with +kernel-module:
requires("%gcc", when="+kernel-module", msg="Linux kernel module must be compiled with gcc")
def autoreconf(self, spec, prefix):
Executable("./autogen.sh")()
@run_before("build")
def override_kernel_compiler(self):
# Override the compiler for kernel module source files. We need
# this additional argument for all installation phases.
if "+kernel-module" in self.spec:
make.add_default_arg("CC={0}".format(spack_cc))
def configure_args(self):
args = []
if "~kernel-module" in self.spec:
# The kernel module is enabled by default. An attempt of explicit
# enabling with '--enable-kernel-module' disables the module.
args.append("--disable-kernel-module")
if self.spec.satisfies("@:2.6.5"):
fmt = self.spec.format
# The following arguments will not be needed starting 2.6.6:
# https://github.com/hjelmn/xpmem/pull/18
args.extend(
[
fmt("--with-default-prefix={prefix}"),
fmt("--with-module={prefix.share}/Modules/{name}/{version}"),
]
)
return args
@when("@:2.6.5")
def install(self, spec, prefix):
with working_dir(self.build_directory):
# Override the hardcoded prefix for 'cray-xpmem.conf'
make(
"ldsoconfdir={0}".format(self.spec.prefix.etc.join("ld.so.conf.d")),
*self.install_targets,
)
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