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# 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
import platform
import re
import llnl.util.tty as tty
from spack.package import *
# - vanilla CentOS 7, and possibly other systems, fail a test:
# TestCloneNEWUSERAndRemapRootDisableSetgroups
#
# The Fix, discussed here: https://github.com/golang/go/issues/16283
# is to enable "user_namespace".
#
# On a Digital Ocean image, this can be achieved by updating
# `/etc/default/grub` so that the `GRUB_CMDLINE_LINUX` variable
# includes `user_namespace.enable=1`, re-cooking the grub
# configuration with `sudo grub2-mkconfig -o /boot/grub2/grub.cfg`,
# and then rebooting.
#
# - on CentOS 7 systems (and possibly others) you need to have the
# glibc package installed or various static cgo tests fail.
#
# - When building on a *large* machine (144 cores, 1.5TB RAM) I need
# to run `ulimit -u 8192` to bump up the max number of user processes.
# Failure to do so results in an explosion in one of the tests and an
# epic stack trace....
class Go(Package):
"""The golang compiler and build environment"""
homepage = "https://golang.org"
url = "https://dl.google.com/go/go1.16.6.src.tar.gz"
git = "https://go.googlesource.com/go.git"
extendable = True
executables = ["^go$"]
maintainers = ["alecbcs"]
version("1.19.5", sha256="8e486e8e85a281fc5ce3f0bedc5b9d2dbf6276d7db0b25d3ec034f313da0375f")
version(
"1.19.4",
sha256="eda74db4ac494800a3e66ee784e495bfbb9b8e535df924a8b01b1a8028b7f368",
deprecated=True,
)
version("1.18.10", sha256="9cedcca58845df0c9474ae00274c44a95c9dfaefb132fc59921c28c7c106f8e6")
version(
"1.18.9",
sha256="fbe7f09b96aca3db6faeaf180da8bb632868ec049731e355ff61695197c0e3ea",
deprecated=True,
)
provides("golang")
depends_on("git", type=("build", "link", "run"))
# aarch64 machines (including Macs with Apple silicon) can't use
# go-bootstrap because it pre-dates aarch64 support in Go. These machines
# have to rely on Go support in gcc (which may require compiling a version
# of gcc with Go support just to satisfy this requirement) or external go:
# #27769: On M1/MacOS, platform.machine() may return arm64:
if platform.machine() in ["arm64", "aarch64"]:
# Use an external go compiler from packages.yaml/`spack external find go-bootstrap`,
# but fallback to build go-bootstrap@1.4 or to gcc with languages=go (for aarch64):
depends_on("go-external-or-gccgo-bootstrap", type="build")
else:
depends_on("go-bootstrap", type="build")
# https://github.com/golang/go/issues/17545
patch("time_test.patch", when="@1.6.4:1.7.4")
# https://github.com/golang/go/issues/17986
# The fix for this issue has been merged into the 1.8 tree.
patch("misc-cgo-testcshared.patch", level=0, when="@1.6.4:1.7.5")
# Unrecognized option '-fno-lto'
conflicts("%gcc@:4", when="@1.17:")
@classmethod
def determine_version(cls, exe):
output = Executable(exe)("version", output=str, error=str)
match = re.search(r"go version go(\S+)", output)
return match.group(1) if match else None
# NOTE: Older versions of Go attempt to download external files that have
# since been moved while running the test suite. This patch modifies the
# test files so that these tests don't cause false failures.
# See: https://github.com/golang/go/issues/15694
@when("@:1.4.3")
def patch(self):
test_suite_file = FileFilter(join_path("src", "run.bash"))
test_suite_file.filter(
r"^(.*)(\$GOROOT/src/cmd/api/run.go)(.*)$",
r"# \1\2\3",
)
def install(self, spec, prefix):
bash = which("bash")
wd = "."
# 1.11.5 directory structure is slightly different
if self.version == Version("1.11.5"):
wd = "go"
with working_dir(join_path(wd, "src")):
bash("{0}.bash".format("all" if self.run_tests else "make"))
install_tree(wd, prefix)
def setup_build_environment(self, env):
env.set("GOROOT_FINAL", self.spec.prefix)
# We need to set CC/CXX_FOR_TARGET, otherwise cgo will use the
# internal Spack wrappers and fail.
env.set("CC_FOR_TARGET", self.compiler.cc)
env.set("CXX_FOR_TARGET", self.compiler.cxx)
def setup_dependent_package(self, module, dependent_spec):
"""Called before go modules' install() methods.
In most cases, extensions will only need to set GOPATH and use go::
env['GOPATH'] = self.source_path + ':' + env['GOPATH']
go('get', '<package>', env=env)
install_tree('bin', prefix.bin)
"""
# Add a go command/compiler for extensions
module.go = self.spec["go"].command
def generate_path_components(self, dependent_spec):
if os.environ.get("GOROOT", False):
tty.warn("GOROOT is set, this is not recommended")
# Set to include paths of dependencies
path_components = [dependent_spec.prefix]
for d in dependent_spec.traverse():
if d.package.extends(self.spec):
path_components.append(d.prefix)
return ":".join(path_components)
def setup_dependent_build_environment(self, env, dependent_spec):
# This *MUST* be first, this is where new code is installed
env.prepend_path("GOPATH", self.generate_path_components(dependent_spec))
def setup_dependent_run_environment(self, env, dependent_spec):
# Allow packages to find this when using module files
env.prepend_path("GOPATH", self.generate_path_components(dependent_spec))
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