Source code for spack.build_systems.lua

# Copyright 2013-2023 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)
import os

from llnl.util.filesystem import find

import spack.builder
import spack.package_base
import spack.util.executable
from spack.directives import build_system, depends_on, extends
from spack.multimethod import when


[docs]class LuaPackage(spack.package_base.PackageBase): """Specialized class for lua packages""" #: This attribute is used in UI queries that need to know the build #: system base class build_system_class = "LuaPackage" #: Legacy buildsystem attribute used to deserialize and install old specs legacy_buildsystem = "lua" list_depth = 1 # LuaRocks requires at least one level of spidering to find versions build_system("lua") with when("build_system=lua"): depends_on("lua-lang") extends("lua", when="^lua") with when("^lua-luajit"): extends("lua-luajit") depends_on("luajit") depends_on("lua-luajit+lualinks") with when("^lua-luajit-openresty"): extends("lua-luajit-openresty") depends_on("luajit") depends_on("lua-luajit-openresty+lualinks") @property def lua(self): return spack.util.executable.Executable(self.spec["lua-lang"].prefix.bin.lua) @property def luarocks(self): lr = spack.util.executable.Executable(self.spec["lua-lang"].prefix.bin.luarocks) return lr
[docs]@spack.builder.builder("lua") class LuaBuilder(spack.builder.Builder): phases = ("unpack", "generate_luarocks_config", "preprocess", "install") #: Names associated with package methods in the old build-system format legacy_methods = ("luarocks_args",) #: Names associated with package attributes in the old build-system format legacy_attributes = ()
[docs] def unpack(self, pkg, spec, prefix): if os.path.splitext(pkg.stage.archive_file)[1] == ".rock": directory = pkg.luarocks("unpack", pkg.stage.archive_file, output=str) dirlines = directory.split("\n") # TODO: figure out how to scope this better os.chdir(dirlines[2])
@staticmethod def _generate_tree_line(name, prefix): return """{{ name = "{name}", root = "{prefix}" }};""".format( name=name, prefix=prefix, )
[docs] def generate_luarocks_config(self, pkg, spec, prefix): spec = self.pkg.spec table_entries = [] for d in spec.traverse(deptype=("build", "run")): if d.package.extends(self.pkg.extendee_spec): table_entries.append(self._generate_tree_line(d.name, d.prefix)) path = self._luarocks_config_path() with open(path, "w") as config: config.write( """ deps_mode="all" rocks_trees={{ {} }} """.format( "\n".join(table_entries) ) ) return path
[docs] def preprocess(self, pkg, spec, prefix): """Override this to preprocess source before building with luarocks""" pass
[docs] def luarocks_args(self): return []
[docs] def install(self, pkg, spec, prefix): rock = "." specs = find(".", "*.rockspec", recursive=False) if specs: rock = specs[0] rocks_args = self.luarocks_args() rocks_args.append(rock) self.pkg.luarocks("--tree=" + prefix, "make", *rocks_args)
def _luarocks_config_path(self): return os.path.join(self.pkg.stage.source_path, "spack_luarocks.lua")
[docs] def setup_build_environment(self, env): env.set("LUAROCKS_CONFIG", self._luarocks_config_path())