import argparse
import contextlib
import datetime
-import distutils.version
import hashlib
import json
import os
import tarfile
import tempfile
-from time import time, sleep
+from time import time
-def support_xz():
- try:
- with tempfile.NamedTemporaryFile(delete=False) as temp_file:
- temp_path = temp_file.name
- with tarfile.open(temp_path, "w:xz"):
- pass
- return True
- except tarfile.CompressionError:
- return False
+try:
+ import lzma
+except ImportError:
+ lzma = None
+
+if sys.platform == 'win32':
+ EXE_SUFFIX = ".exe"
+else:
+ EXE_SUFFIX = ""
def get(base, url, path, checksums, verbose=False):
with tempfile.NamedTemporaryFile(delete=False) as temp_file:
def download(path, url, probably_big, verbose):
- for _ in range(0, 4):
+ for _ in range(4):
try:
_download(path, url, probably_big, verbose, True)
return
def __init__(self):
self.checksums_sha256 = {}
self.stage0_compiler = None
- self._download_url = ''
+ self.download_url = ''
self.build = ''
self.build_dir = ''
self.clean = False
self.config_toml = ''
self.rust_root = ''
- self.use_locked_deps = ''
- self.use_vendored_sources = ''
+ self.use_locked_deps = False
+ self.use_vendored_sources = False
self.verbose = False
self.git_version = None
self.nix_deps_dir = None
+ self._should_fix_bins_and_dylibs = None
def download_toolchain(self):
"""Fetch the build system for Rust, written in Rust
self.program_out_of_date(self.rustc_stamp(), key)):
if os.path.exists(bin_root):
shutil.rmtree(bin_root)
- tarball_suffix = '.tar.xz' if support_xz() else '.tar.gz'
+ tarball_suffix = '.tar.gz' if lzma is None else '.tar.xz'
filename = "rust-std-{}-{}{}".format(
rustc_channel, self.build, tarball_suffix)
pattern = "rust-std-{}".format(self.build)
filename = "cargo-{}-{}{}".format(rustc_channel, self.build,
tarball_suffix)
self._download_component_helper(filename, "cargo", tarball_suffix)
- self.fix_bin_or_dylib("{}/bin/cargo".format(bin_root))
-
- self.fix_bin_or_dylib("{}/bin/rustc".format(bin_root))
- self.fix_bin_or_dylib("{}/bin/rustdoc".format(bin_root))
- self.fix_bin_or_dylib("{}/libexec/rust-analyzer-proc-macro-srv".format(bin_root))
- lib_dir = "{}/lib".format(bin_root)
- for lib in os.listdir(lib_dir):
- if lib.endswith(".so"):
- self.fix_bin_or_dylib(os.path.join(lib_dir, lib))
+ if self.should_fix_bins_and_dylibs():
+ self.fix_bin_or_dylib("{}/bin/cargo".format(bin_root))
+
+ self.fix_bin_or_dylib("{}/bin/rustc".format(bin_root))
+ self.fix_bin_or_dylib("{}/bin/rustdoc".format(bin_root))
+ self.fix_bin_or_dylib("{}/libexec/rust-analyzer-proc-macro-srv".format(bin_root))
+ lib_dir = "{}/lib".format(bin_root)
+ for lib in os.listdir(lib_dir):
+ if lib.endswith(".so"):
+ self.fix_bin_or_dylib(os.path.join(lib_dir, lib))
+
with output(self.rustc_stamp()) as rust_stamp:
rust_stamp.write(key)
if not os.path.exists(rustc_cache):
os.makedirs(rustc_cache)
- base = self._download_url
- url = "dist/{}".format(key)
tarball = os.path.join(rustc_cache, filename)
if not os.path.exists(tarball):
get(
- base,
- "{}/{}".format(url, filename),
+ self.download_url,
+ "dist/{}/{}".format(key, filename),
tarball,
self.checksums_sha256,
verbose=self.verbose,
)
unpack(tarball, tarball_suffix, self.bin_root(), match=pattern, verbose=self.verbose)
- def fix_bin_or_dylib(self, fname):
- """Modifies the interpreter section of 'fname' to fix the dynamic linker,
- or the RPATH section, to fix the dynamic library search path
-
- This method is only required on NixOS and uses the PatchELF utility to
- change the interpreter/RPATH of ELF executables.
-
- Please see https://nixos.org/patchelf.html for more information
+ def should_fix_bins_and_dylibs(self):
+ """Whether or not `fix_bin_or_dylib` needs to be run; can only be True
+ on NixOS.
"""
- default_encoding = sys.getdefaultencoding()
- try:
- ostype = subprocess.check_output(
- ['uname', '-s']).strip().decode(default_encoding)
- except subprocess.CalledProcessError:
- return
- except OSError as reason:
- if getattr(reason, 'winerror', None) is not None:
- return
- raise reason
+ if self._should_fix_bins_and_dylibs is not None:
+ return self._should_fix_bins_and_dylibs
- if ostype != "Linux":
- return
+ def get_answer():
+ default_encoding = sys.getdefaultencoding()
+ try:
+ ostype = subprocess.check_output(
+ ['uname', '-s']).strip().decode(default_encoding)
+ except subprocess.CalledProcessError:
+ return False
+ except OSError as reason:
+ if getattr(reason, 'winerror', None) is not None:
+ return False
+ raise reason
+
+ if ostype != "Linux":
+ return False
+
+ # If the user has asked binaries to be patched for Nix, then
+ # don't check for NixOS or `/lib`.
+ if self.get_toml("patch-binaries-for-nix", "build") == "true":
+ return True
- # If the user has asked binaries to be patched for Nix, then
- # don't check for NixOS or `/lib`, just continue to the patching.
- if self.get_toml('patch-binaries-for-nix', 'build') != 'true':
# Use `/etc/os-release` instead of `/etc/NIXOS`.
# The latter one does not exist on NixOS when using tmpfs as root.
try:
with open("/etc/os-release", "r") as f:
- if not any(l.strip() in ["ID=nixos", "ID='nixos'", 'ID="nixos"'] for l in f):
- return
+ if not any(l.strip() in ("ID=nixos", "ID='nixos'", 'ID="nixos"') for l in f):
+ return False
except FileNotFoundError:
- return
+ return False
if os.path.exists("/lib"):
- return
+ return False
+
+ return True
+
+ answer = self._should_fix_bins_and_dylibs = get_answer()
+ if answer:
+ print("info: You seem to be using Nix.")
+ return answer
+
+ def fix_bin_or_dylib(self, fname):
+ """Modifies the interpreter section of 'fname' to fix the dynamic linker,
+ or the RPATH section, to fix the dynamic library search path
- # At this point we're pretty sure the user is running NixOS or
- # using Nix
- nix_os_msg = "info: you seem to be using Nix. Attempting to patch"
- print(nix_os_msg, fname)
+ This method is only required on NixOS and uses the PatchELF utility to
+ change the interpreter/RPATH of ELF executables.
+
+ Please see https://nixos.org/patchelf.html for more information
+ """
+ assert self._should_fix_bins_and_dylibs is True
+ print("attempting to patch", fname)
# Only build `.nix-deps` once.
nix_deps_dir = self.nix_deps_dir
config = self.get_toml(program)
if config:
return os.path.expanduser(config)
- return os.path.join(self.bin_root(), "bin", "{}{}".format(
- program, self.exe_suffix()))
+ return os.path.join(self.bin_root(), "bin", "{}{}".format(program, EXE_SUFFIX))
@staticmethod
def get_string(line):
return line[start + 1:end]
return None
- @staticmethod
- def exe_suffix():
- """Return a suffix for executables"""
- if sys.platform == 'win32':
- return '.exe'
- return ''
-
def bootstrap_binary(self):
"""Return the path of the bootstrap binary
"""
return os.path.join(self.build_dir, "bootstrap", "debug", "bootstrap")
- def build_bootstrap(self, color):
+ def build_bootstrap(self, color, verbose_count):
"""Build bootstrap"""
print("Building bootstrap")
build_dir = os.path.join(self.build_dir, "bootstrap")
if target_linker is not None:
env["RUSTFLAGS"] += " -C linker=" + target_linker
env["RUSTFLAGS"] += " -Wrust_2018_idioms -Wunused_lifetimes"
- env["RUSTFLAGS"] += " -Wsemicolon_in_expressions_from_macros"
if self.get_toml("deny-warnings", "rust") != "false":
env["RUSTFLAGS"] += " -Dwarnings"
self.cargo()))
args = [self.cargo(), "build", "--manifest-path",
os.path.join(self.rust_root, "src/bootstrap/Cargo.toml")]
- for _ in range(0, self.verbose):
- args.append("--verbose")
+ args.extend("--verbose" for _ in range(verbose_count))
if self.use_locked_deps:
args.append("--locked")
if self.use_vendored_sources:
so use `self.build` where possible.
"""
config = self.get_toml('build')
- if config:
- return config
- return default_build_triple(self.verbose)
-
- def set_dist_environment(self, url):
- """Set download URL for normal environment"""
- if 'RUSTUP_DIST_SERVER' in os.environ:
- self._download_url = os.environ['RUSTUP_DIST_SERVER']
- else:
- self._download_url = url
+ return config or default_build_triple(self.verbose)
def check_vendored_status(self):
"""Check that vendoring is configured properly"""
if os.path.exists(cargo_dir):
shutil.rmtree(cargo_dir)
-def bootstrap(help_triggered):
- """Configure, fetch, build and run the initial bootstrap"""
-
- # If the user is asking for help, let them know that the whole download-and-build
- # process has to happen before anything is printed out.
- if help_triggered:
- print("info: Downloading and building bootstrap before processing --help")
- print(" command. See src/bootstrap/README.md for help with common")
- print(" commands.")
-
- parser = argparse.ArgumentParser(description='Build rust')
+def parse_args():
+ """Parse the command line arguments that the python script needs."""
+ parser = argparse.ArgumentParser(add_help=False)
+ parser.add_argument('-h', '--help', action='store_true')
parser.add_argument('--config')
parser.add_argument('--build-dir')
parser.add_argument('--build')
parser.add_argument('--clean', action='store_true')
parser.add_argument('-v', '--verbose', action='count', default=0)
- args = [a for a in sys.argv if a != '-h' and a != '--help']
- args, _ = parser.parse_known_args(args)
+ return parser.parse_known_args(sys.argv)[0]
+def bootstrap(args):
+ """Configure, fetch, build and run the initial bootstrap"""
# Configure initial bootstrap
build = RustBuild()
build.rust_root = os.path.abspath(os.path.join(__file__, '../../..'))
- build.verbose = args.verbose
+ build.verbose = args.verbose != 0
build.clean = args.clean
# Read from `--config`, then `RUST_BOOTSTRAP_CONFIG`, then `./config.toml`,
with open(include_path) as included_toml:
build.config_toml += os.linesep + included_toml.read()
- config_verbose = build.get_toml('verbose', 'build')
- if config_verbose is not None:
- build.verbose = max(build.verbose, int(config_verbose))
+ verbose_count = args.verbose
+ config_verbose_count = build.get_toml('verbose', 'build')
+ if config_verbose_count is not None:
+ verbose_count = max(args.verbose, int(config_verbose_count))
build.use_vendored_sources = build.get_toml('vendor', 'build') == 'true'
-
build.use_locked_deps = build.get_toml('locked-deps', 'build') == 'true'
build.check_vendored_status()
data = json.load(f)
build.checksums_sha256 = data["checksums_sha256"]
build.stage0_compiler = Stage0Toolchain(data["compiler"])
-
- build.set_dist_environment(data["config"]["dist_server"])
+ build.download_url = os.getenv("RUSTUP_DIST_SERVER") or data["config"]["dist_server"]
build.build = args.build or build.build_triple()
# Fetch/build the bootstrap
build.download_toolchain()
sys.stdout.flush()
- build.build_bootstrap(args.color)
+ build.build_bootstrap(args.color, verbose_count)
sys.stdout.flush()
# Run the bootstrap
# x.py help <cmd> ...
if len(sys.argv) > 1 and sys.argv[1] == 'help':
- sys.argv = [sys.argv[0], '-h'] + sys.argv[2:]
+ sys.argv[1] = '-h'
+
+ args = parse_args()
+ help_triggered = args.help or len(sys.argv) == 1
- help_triggered = (
- '-h' in sys.argv) or ('--help' in sys.argv) or (len(sys.argv) == 1)
+ # If the user is asking for help, let them know that the whole download-and-build
+ # process has to happen before anything is printed out.
+ if help_triggered:
+ print(
+ "info: Downloading and building bootstrap before processing --help command.\n"
+ " See src/bootstrap/README.md for help with common commands."
+ )
+
+ exit_code = 0
try:
- bootstrap(help_triggered)
- if not help_triggered:
- print("Build completed successfully in {}".format(
- format_build_time(time() - start_time)))
+ bootstrap(args)
except (SystemExit, KeyboardInterrupt) as error:
if hasattr(error, 'code') and isinstance(error.code, int):
exit_code = error.code
else:
exit_code = 1
print(error)
- if not help_triggered:
- print("Build completed unsuccessfully in {}".format(
- format_build_time(time() - start_time)))
- sys.exit(exit_code)
+
+ if not help_triggered:
+ print("Build completed successfully in", format_build_time(time() - start_time))
+ sys.exit(exit_code)
if __name__ == '__main__':
Config,
};
+static SHOULD_FIX_BINS_AND_DYLIBS: OnceCell<bool> = OnceCell::new();
+
/// Generic helpers that are useful anywhere in bootstrap.
impl Config {
pub fn is_verbose(&self) -> bool {
check_run(cmd, self.is_verbose())
}
- /// Modifies the interpreter section of 'fname' to fix the dynamic linker,
- /// or the RPATH section, to fix the dynamic library search path
- ///
- /// This is only required on NixOS and uses the PatchELF utility to
- /// change the interpreter/RPATH of ELF executables.
- ///
- /// Please see https://nixos.org/patchelf.html for more information
- fn fix_bin_or_dylib(&self, fname: &Path) {
- // FIXME: cache NixOS detection?
- match Command::new("uname").arg("-s").stderr(Stdio::inherit()).output() {
- Err(_) => return,
- Ok(output) if !output.status.success() => return,
- Ok(output) => {
- let mut s = output.stdout;
- if s.last() == Some(&b'\n') {
- s.pop();
- }
- if s != b"Linux" {
- return;
+ /// Whether or not `fix_bin_or_dylib` needs to be run; can only be true
+ /// on NixOS
+ fn should_fix_bins_and_dylibs(&self) -> bool {
+ let val = *SHOULD_FIX_BINS_AND_DYLIBS.get_or_init(|| {
+ match Command::new("uname").arg("-s").stderr(Stdio::inherit()).output() {
+ Err(_) => return false,
+ Ok(output) if !output.status.success() => return false,
+ Ok(output) => {
+ let mut os_name = output.stdout;
+ if os_name.last() == Some(&b'\n') {
+ os_name.pop();
+ }
+ if os_name != b"Linux" {
+ return false;
+ }
}
}
- }
- // If the user has asked binaries to be patched for Nix, then
- // don't check for NixOS or `/lib`, just continue to the patching.
- // NOTE: this intentionally comes after the Linux check:
- // - patchelf only works with ELF files, so no need to run it on Mac or Windows
- // - On other Unix systems, there is no stable syscall interface, so Nix doesn't manage the global libc.
- if !self.patch_binaries_for_nix {
+ // If the user has asked binaries to be patched for Nix, then
+ // don't check for NixOS or `/lib`.
+ // NOTE: this intentionally comes after the Linux check:
+ // - patchelf only works with ELF files, so no need to run it on Mac or Windows
+ // - On other Unix systems, there is no stable syscall interface, so Nix doesn't manage the global libc.
+ if self.patch_binaries_for_nix {
+ return true;
+ }
+
// Use `/etc/os-release` instead of `/etc/NIXOS`.
// The latter one does not exist on NixOS when using tmpfs as root.
- const NIX_IDS: &[&str] = &["ID=nixos", "ID='nixos'", "ID=\"nixos\""];
- let os_release = match File::open("/etc/os-release") {
- Err(e) if e.kind() == ErrorKind::NotFound => return,
+ let is_nixos = match File::open("/etc/os-release") {
+ Err(e) if e.kind() == ErrorKind::NotFound => false,
Err(e) => panic!("failed to access /etc/os-release: {}", e),
- Ok(f) => f,
+ Ok(os_release) => BufReader::new(os_release).lines().any(|l| {
+ let l = l.expect("reading /etc/os-release");
+ matches!(l.trim(), "ID=nixos" | "ID='nixos'" | "ID=\"nixos\"")
+ }),
};
- if !BufReader::new(os_release).lines().any(|l| NIX_IDS.contains(&t!(l).trim())) {
- return;
- }
- if Path::new("/lib").exists() {
- return;
- }
+ is_nixos && !Path::new("/lib").exists()
+ });
+ if val {
+ println!("info: You seem to be using Nix.");
}
+ val
+ }
- // At this point we're pretty sure the user is running NixOS or using Nix
- println!("info: you seem to be using Nix. Attempting to patch {}", fname.display());
+ /// Modifies the interpreter section of 'fname' to fix the dynamic linker,
+ /// or the RPATH section, to fix the dynamic library search path
+ ///
+ /// This is only required on NixOS and uses the PatchELF utility to
+ /// change the interpreter/RPATH of ELF executables.
+ ///
+ /// Please see https://nixos.org/patchelf.html for more information
+ fn fix_bin_or_dylib(&self, fname: &Path) {
+ assert_eq!(SHOULD_FIX_BINS_AND_DYLIBS.get(), Some(&true));
+ println!("attempting to patch {}", fname.display());
// Only build `.nix-deps` once.
static NIX_DEPS_DIR: OnceCell<PathBuf> = OnceCell::new();
"rustfmt",
);
- self.fix_bin_or_dylib(&bin_root.join("bin").join("rustfmt"));
- self.fix_bin_or_dylib(&bin_root.join("bin").join("cargo-fmt"));
+ if self.should_fix_bins_and_dylibs() {
+ self.fix_bin_or_dylib(&bin_root.join("bin").join("rustfmt"));
+ self.fix_bin_or_dylib(&bin_root.join("bin").join("cargo-fmt"));
+ }
self.create(&rustfmt_stamp, &channel);
Some(rustfmt_path)
let filename = format!("rust-src-{version}.tar.xz");
self.download_ci_component(filename, "rust-src", commit);
- self.fix_bin_or_dylib(&bin_root.join("bin").join("rustc"));
- self.fix_bin_or_dylib(&bin_root.join("bin").join("rustdoc"));
- self.fix_bin_or_dylib(&bin_root.join("libexec").join("rust-analyzer-proc-macro-srv"));
- let lib_dir = bin_root.join("lib");
- for lib in t!(fs::read_dir(&lib_dir), lib_dir.display().to_string()) {
- let lib = t!(lib);
- if lib.path().extension() == Some(OsStr::new("so")) {
- self.fix_bin_or_dylib(&lib.path());
+ if self.should_fix_bins_and_dylibs() {
+ self.fix_bin_or_dylib(&bin_root.join("bin").join("rustc"));
+ self.fix_bin_or_dylib(&bin_root.join("bin").join("rustdoc"));
+ self.fix_bin_or_dylib(
+ &bin_root.join("libexec").join("rust-analyzer-proc-macro-srv"),
+ );
+ let lib_dir = bin_root.join("lib");
+ for lib in t!(fs::read_dir(&lib_dir), lib_dir.display().to_string()) {
+ let lib = t!(lib);
+ if lib.path().extension() == Some(OsStr::new("so")) {
+ self.fix_bin_or_dylib(&lib.path());
+ }
}
}
+
t!(fs::write(rustc_stamp, commit));
}
}
let key = format!("{}{}", llvm_sha, self.llvm_assertions);
if program_out_of_date(&llvm_stamp, &key) && !self.dry_run() {
self.download_ci_llvm(&llvm_sha);
- for entry in t!(fs::read_dir(llvm_root.join("bin"))) {
- self.fix_bin_or_dylib(&t!(entry).path());
+ if self.should_fix_bins_and_dylibs() {
+ for entry in t!(fs::read_dir(llvm_root.join("bin"))) {
+ self.fix_bin_or_dylib(&t!(entry).path());
+ }
}
// Update the timestamp of llvm-config to force rustc_llvm to be
let llvm_config = llvm_root.join("bin").join(exe("llvm-config", self.build));
t!(filetime::set_file_times(&llvm_config, now, now));
- let llvm_lib = llvm_root.join("lib");
- for entry in t!(fs::read_dir(&llvm_lib)) {
- let lib = t!(entry).path();
- if lib.extension().map_or(false, |ext| ext == "so") {
- self.fix_bin_or_dylib(&lib);
+ if self.should_fix_bins_and_dylibs() {
+ let llvm_lib = llvm_root.join("lib");
+ for entry in t!(fs::read_dir(&llvm_lib)) {
+ let lib = t!(entry).path();
+ if lib.extension().map_or(false, |ext| ext == "so") {
+ self.fix_bin_or_dylib(&lib);
+ }
}
}
+
t!(fs::write(llvm_stamp, key));
}
}
projects / rust.git / commitdiff