зеркало из https://github.com/mozilla/gecko-dev.git
1064 строки
38 KiB
Python
Executable File
1064 строки
38 KiB
Python
Executable File
#!/usr/bin/python3
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# Only necessary for flake8 to be happy...
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from __future__ import print_function
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import os
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import os.path
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import shutil
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import subprocess
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import platform
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import json
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import argparse
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import fnmatch
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import glob
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import errno
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import re
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import sys
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import tarfile
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from contextlib import contextmanager
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from distutils.dir_util import copy_tree
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from shutil import which
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import zstandard
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def symlink(source, link_name):
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os_symlink = getattr(os, "symlink", None)
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if callable(os_symlink):
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os_symlink(source, link_name)
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else:
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if os.path.isdir(source):
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# Fall back to copying the directory :(
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copy_tree(source, link_name)
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def check_run(args):
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print(" ".join(args), file=sys.stderr, flush=True)
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if args[0] == "cmake":
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# CMake `message(STATUS)` messages, as appearing in failed source code
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# compiles, appear on stdout, so we only capture that.
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p = subprocess.Popen(args, stdout=subprocess.PIPE)
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lines = []
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for line in p.stdout:
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lines.append(line)
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sys.stdout.write(line.decode())
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sys.stdout.flush()
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r = p.wait()
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if r != 0:
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cmake_output_re = re.compile(b'See also "(.*/CMakeOutput.log)"')
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cmake_error_re = re.compile(b'See also "(.*/CMakeError.log)"')
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def find_first_match(re):
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for l in lines:
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match = re.search(l)
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if match:
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return match
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output_match = find_first_match(cmake_output_re)
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error_match = find_first_match(cmake_error_re)
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def dump_file(log):
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with open(log, "rb") as f:
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print("\nContents of", log, "follow\n", file=sys.stderr)
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print(f.read(), file=sys.stderr)
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if output_match:
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dump_file(output_match.group(1))
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if error_match:
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dump_file(error_match.group(1))
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else:
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r = subprocess.call(args)
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assert r == 0
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def run_in(path, args):
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with chdir(path):
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check_run(args)
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@contextmanager
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def chdir(path):
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d = os.getcwd()
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print('cd "%s"' % path, file=sys.stderr)
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os.chdir(path)
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try:
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yield
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finally:
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print('cd "%s"' % d, file=sys.stderr)
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os.chdir(d)
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def patch(patch, srcdir):
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patch = os.path.realpath(patch)
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check_run(["patch", "-d", srcdir, "-p1", "-i", patch, "--fuzz=0", "-s"])
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def import_clang_tidy(source_dir, build_clang_tidy_alpha, build_clang_tidy_external):
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clang_plugin_path = os.path.join(os.path.dirname(sys.argv[0]), "..", "clang-plugin")
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clang_tidy_path = os.path.join(source_dir, "clang-tools-extra/clang-tidy")
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sys.path.append(clang_plugin_path)
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from import_mozilla_checks import do_import
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import_options = {
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"alpha": build_clang_tidy_alpha,
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"external": build_clang_tidy_external,
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}
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do_import(clang_plugin_path, clang_tidy_path, import_options)
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def build_package(package_build_dir, cmake_args):
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if not os.path.exists(package_build_dir):
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os.mkdir(package_build_dir)
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# If CMake has already been run, it may have been run with different
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# arguments, so we need to re-run it. Make sure the cached copy of the
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# previous CMake run is cleared before running it again.
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if os.path.exists(package_build_dir + "/CMakeCache.txt"):
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os.remove(package_build_dir + "/CMakeCache.txt")
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if os.path.exists(package_build_dir + "/CMakeFiles"):
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shutil.rmtree(package_build_dir + "/CMakeFiles")
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run_in(package_build_dir, ["cmake"] + cmake_args)
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run_in(package_build_dir, ["ninja", "install", "-v"])
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@contextmanager
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def updated_env(env):
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old_env = os.environ.copy()
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os.environ.update(env)
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yield
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os.environ.clear()
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os.environ.update(old_env)
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def build_tar_package(name, base, directory):
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name = os.path.realpath(name)
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print("tarring {} from {}/{}".format(name, base, directory), file=sys.stderr)
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assert name.endswith(".tar.zst")
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cctx = zstandard.ZstdCompressor()
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with open(name, "wb") as f, cctx.stream_writer(f) as z:
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with tarfile.open(mode="w|", fileobj=z) as tf:
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with chdir(base):
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tf.add(directory)
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def mkdir_p(path):
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try:
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os.makedirs(path)
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except OSError as e:
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if e.errno != errno.EEXIST or not os.path.isdir(path):
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raise
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def delete(path):
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if os.path.isdir(path):
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shutil.rmtree(path)
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else:
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try:
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os.unlink(path)
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except Exception:
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pass
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def install_libgcc(gcc_dir, clang_dir, is_final_stage):
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gcc_bin_dir = os.path.join(gcc_dir, "bin")
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# Copy over gcc toolchain bits that clang looks for, to ensure that
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# clang is using a consistent version of ld, since the system ld may
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# be incompatible with the output clang produces. But copy it to a
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# target-specific directory so a cross-compiler to Mac doesn't pick
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# up the (Linux-specific) ld with disastrous results.
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#
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# Only install this for the bootstrap process; we expect any consumers of
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# the newly-built toolchain to provide an appropriate ld themselves.
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if not is_final_stage:
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x64_bin_dir = os.path.join(clang_dir, "x86_64-unknown-linux-gnu", "bin")
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mkdir_p(x64_bin_dir)
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shutil.copy2(os.path.join(gcc_bin_dir, "ld"), x64_bin_dir)
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out = subprocess.check_output(
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[os.path.join(gcc_bin_dir, "gcc"), "-print-libgcc-file-name"]
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)
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libgcc_dir = os.path.dirname(out.decode().rstrip())
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clang_lib_dir = os.path.join(
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clang_dir,
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"lib",
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"gcc",
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"x86_64-unknown-linux-gnu",
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os.path.basename(libgcc_dir),
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)
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mkdir_p(clang_lib_dir)
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copy_tree(libgcc_dir, clang_lib_dir, preserve_symlinks=True)
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libgcc_dir = os.path.join(gcc_dir, "lib64")
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clang_lib_dir = os.path.join(clang_dir, "lib")
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copy_tree(libgcc_dir, clang_lib_dir, preserve_symlinks=True)
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libgcc_dir = os.path.join(gcc_dir, "lib32")
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clang_lib_dir = os.path.join(clang_dir, "lib32")
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copy_tree(libgcc_dir, clang_lib_dir, preserve_symlinks=True)
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include_dir = os.path.join(gcc_dir, "include")
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clang_include_dir = os.path.join(clang_dir, "include")
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copy_tree(include_dir, clang_include_dir, preserve_symlinks=True)
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def install_import_library(build_dir, clang_dir):
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shutil.copy2(
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os.path.join(build_dir, "lib", "clang.lib"), os.path.join(clang_dir, "lib")
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)
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def install_asan_symbols(build_dir, clang_dir):
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lib_path_pattern = os.path.join("lib", "clang", "*.*.*", "lib", "windows")
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src_path = glob.glob(
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os.path.join(build_dir, lib_path_pattern, "clang_rt.asan_dynamic-*.pdb")
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)
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dst_path = glob.glob(os.path.join(clang_dir, lib_path_pattern))
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if len(src_path) != 1:
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raise Exception("Source path pattern did not resolve uniquely")
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if len(src_path) != 1:
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raise Exception("Destination path pattern did not resolve uniquely")
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shutil.copy2(src_path[0], dst_path[0])
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def is_darwin():
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return platform.system() == "Darwin"
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def is_linux():
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return platform.system() == "Linux"
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def is_windows():
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return platform.system() == "Windows"
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def build_one_stage(
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cc,
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cxx,
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asm,
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ld,
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ar,
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ranlib,
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libtool,
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src_dir,
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stage_dir,
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package_name,
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build_libcxx,
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osx_cross_compile,
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build_type,
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assertions,
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python_path,
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gcc_dir,
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libcxx_include_dir,
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build_wasm,
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compiler_rt_source_dir=None,
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runtimes_source_link=None,
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compiler_rt_source_link=None,
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is_final_stage=False,
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android_targets=None,
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extra_targets=None,
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pgo_phase=None,
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):
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if is_final_stage and (android_targets or extra_targets):
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# Linking compiler-rt under "runtimes" activates LLVM_RUNTIME_TARGETS
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# and related arguments.
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symlink(compiler_rt_source_dir, runtimes_source_link)
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try:
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os.unlink(compiler_rt_source_link)
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except Exception:
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pass
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if not os.path.exists(stage_dir):
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os.mkdir(stage_dir)
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build_dir = stage_dir + "/build"
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inst_dir = stage_dir + "/" + package_name
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# cmake doesn't deal well with backslashes in paths.
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def slashify_path(path):
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return path.replace("\\", "/")
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def cmake_base_args(cc, cxx, asm, ld, ar, ranlib, libtool, inst_dir):
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machine_targets = "X86;ARM;AArch64" if is_final_stage else "X86"
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cmake_args = [
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"-GNinja",
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"-DCMAKE_C_COMPILER=%s" % slashify_path(cc[0]),
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"-DCMAKE_CXX_COMPILER=%s" % slashify_path(cxx[0]),
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"-DCMAKE_ASM_COMPILER=%s" % slashify_path(asm[0]),
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"-DCMAKE_LINKER=%s" % slashify_path(ld[0]),
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"-DCMAKE_AR=%s" % slashify_path(ar),
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"-DCMAKE_C_FLAGS=%s" % " ".join(cc[1:]),
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"-DCMAKE_CXX_FLAGS=%s" % " ".join(cxx[1:]),
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"-DCMAKE_ASM_FLAGS=%s" % " ".join(asm[1:]),
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"-DCMAKE_EXE_LINKER_FLAGS=%s" % " ".join(ld[1:]),
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"-DCMAKE_SHARED_LINKER_FLAGS=%s" % " ".join(ld[1:]),
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"-DCMAKE_BUILD_TYPE=%s" % build_type,
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"-DCMAKE_INSTALL_PREFIX=%s" % inst_dir,
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"-DLLVM_TARGETS_TO_BUILD=%s" % machine_targets,
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"-DLLVM_ENABLE_ASSERTIONS=%s" % ("ON" if assertions else "OFF"),
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"-DPYTHON_EXECUTABLE=%s" % slashify_path(python_path),
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"-DLLVM_TOOL_LIBCXX_BUILD=%s" % ("ON" if build_libcxx else "OFF"),
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"-DLLVM_ENABLE_BINDINGS=OFF",
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]
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if not is_final_stage:
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cmake_args += ["-DLLVM_ENABLE_PROJECTS=clang;compiler-rt"]
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if build_wasm:
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cmake_args += ["-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly"]
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if is_linux():
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cmake_args += ["-DLLVM_BINUTILS_INCDIR=%s/include" % gcc_dir]
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cmake_args += ["-DLLVM_ENABLE_LIBXML2=FORCE_ON"]
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if is_windows():
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cmake_args.insert(-1, "-DLLVM_EXPORT_SYMBOLS_FOR_PLUGINS=ON")
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cmake_args.insert(-1, "-DLLVM_USE_CRT_RELEASE=MT")
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else:
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# libllvm as a shared library is not supported on Windows
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cmake_args += ["-DLLVM_LINK_LLVM_DYLIB=ON"]
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if ranlib is not None:
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cmake_args += ["-DCMAKE_RANLIB=%s" % slashify_path(ranlib)]
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if libtool is not None:
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cmake_args += ["-DCMAKE_LIBTOOL=%s" % slashify_path(libtool)]
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if osx_cross_compile:
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cmake_args += [
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"-DCMAKE_SYSTEM_NAME=Darwin",
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"-DCMAKE_SYSTEM_VERSION=10.10",
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# Xray requires a OSX 10.12 SDK (https://bugs.llvm.org/show_bug.cgi?id=38959)
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"-DCOMPILER_RT_BUILD_XRAY=OFF",
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"-DLIBCXXABI_LIBCXX_INCLUDES=%s" % libcxx_include_dir,
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"-DCMAKE_OSX_SYSROOT=%s" % slashify_path(os.getenv("CROSS_SYSROOT")),
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"-DCMAKE_FIND_ROOT_PATH=%s" % slashify_path(os.getenv("CROSS_SYSROOT")),
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"-DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER",
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"-DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY",
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"-DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY",
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"-DCMAKE_MACOSX_RPATH=ON",
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"-DCMAKE_OSX_ARCHITECTURES=x86_64",
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"-DDARWIN_osx_ARCHS=x86_64",
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"-DDARWIN_osx_SYSROOT=%s" % slashify_path(os.getenv("CROSS_SYSROOT")),
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"-DLLVM_DEFAULT_TARGET_TRIPLE=x86_64-apple-darwin",
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]
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# Starting in LLVM 11 (which requires SDK 10.12) the build tries to
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# detect the SDK version by calling xcrun. Cross-compiles don't have
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# an xcrun, so we have to set the version explicitly.
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if "MacOSX10.12.sdk" in os.getenv("CROSS_SYSROOT"):
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cmake_args += [
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"-DDARWIN_macosx_OVERRIDE_SDK_VERSION=10.12",
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]
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if pgo_phase == "gen":
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# Per https://releases.llvm.org/10.0.0/docs/HowToBuildWithPGO.html
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cmake_args += [
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"-DLLVM_BUILD_INSTRUMENTED=IR",
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"-DLLVM_BUILD_RUNTIME=No",
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]
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if pgo_phase == "use":
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cmake_args += [
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"-DLLVM_PROFDATA_FILE=%s/merged.profdata" % stage_dir,
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]
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return cmake_args
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cmake_args = []
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runtime_targets = []
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if is_final_stage:
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if android_targets:
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runtime_targets = list(sorted(android_targets.keys()))
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if extra_targets:
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runtime_targets.extend(sorted(extra_targets))
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if runtime_targets:
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cmake_args += [
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"-DLLVM_BUILTIN_TARGETS=%s" % ";".join(runtime_targets),
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"-DLLVM_RUNTIME_TARGETS=%s" % ";".join(runtime_targets),
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]
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for target in runtime_targets:
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cmake_args += [
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"-DRUNTIMES_%s_COMPILER_RT_BUILD_PROFILE=ON" % target,
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"-DRUNTIMES_%s_COMPILER_RT_BUILD_SANITIZERS=ON" % target,
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"-DRUNTIMES_%s_COMPILER_RT_BUILD_XRAY=OFF" % target,
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"-DRUNTIMES_%s_SANITIZER_ALLOW_CXXABI=OFF" % target,
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"-DRUNTIMES_%s_COMPILER_RT_BUILD_LIBFUZZER=OFF" % target,
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"-DRUNTIMES_%s_COMPILER_RT_INCLUDE_TESTS=OFF" % target,
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"-DRUNTIMES_%s_LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF" % target,
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"-DRUNTIMES_%s_LLVM_INCLUDE_TESTS=OFF" % target,
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]
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# The above code flipped switches to build various runtime libraries on
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# Android; we now have to provide all the necessary compiler switches to
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# make that work.
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if is_final_stage and android_targets:
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cmake_args += [
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"-DLLVM_LIBDIR_SUFFIX=64",
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]
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android_link_flags = "-fuse-ld=lld"
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for target, cfg in android_targets.items():
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sysroot_dir = cfg["ndk_sysroot"].format(**os.environ)
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android_gcc_dir = cfg["ndk_toolchain"].format(**os.environ)
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android_include_dirs = cfg["ndk_includes"]
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api_level = cfg["api_level"]
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android_flags = [
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"-isystem %s" % d.format(**os.environ) for d in android_include_dirs
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]
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android_flags += ["--gcc-toolchain=%s" % android_gcc_dir]
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android_flags += ["-D__ANDROID_API__=%s" % api_level]
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# Our flags go last to override any --gcc-toolchain that may have
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# been set earlier.
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rt_c_flags = " ".join(cc[1:] + android_flags)
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rt_cxx_flags = " ".join(cxx[1:] + android_flags)
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rt_asm_flags = " ".join(asm[1:] + android_flags)
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for kind in ("BUILTINS", "RUNTIMES"):
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for var, arg in (
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("ANDROID", "1"),
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("CMAKE_ASM_FLAGS", rt_asm_flags),
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("CMAKE_CXX_FLAGS", rt_cxx_flags),
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("CMAKE_C_FLAGS", rt_c_flags),
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("CMAKE_EXE_LINKER_FLAGS", android_link_flags),
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("CMAKE_SHARED_LINKER_FLAGS", android_link_flags),
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("CMAKE_SYSROOT", sysroot_dir),
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("ANDROID_NATIVE_API_LEVEL", api_level),
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):
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cmake_args += ["-D%s_%s_%s=%s" % (kind, target, var, arg)]
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cmake_args += cmake_base_args(cc, cxx, asm, ld, ar, ranlib, libtool, inst_dir)
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cmake_args += [src_dir]
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build_package(build_dir, cmake_args)
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if is_linux():
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install_libgcc(gcc_dir, inst_dir, is_final_stage)
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# For some reasons the import library clang.lib of clang.exe is not
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# installed, so we copy it by ourselves.
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if is_windows():
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# The compiler-rt cmake scripts don't allow to build it for multiple
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# targets at once on Windows, so manually build the 32-bits compiler-rt
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# during the final stage.
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build_32_bit = False
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if is_final_stage:
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# Only build the 32-bits compiler-rt when we originally built for
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# 64-bits, which we detect through the contents of the LIB
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# environment variable, which we also adjust for a 32-bits build
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|
# at the same time.
|
|
old_lib = os.environ["LIB"]
|
|
new_lib = []
|
|
for l in old_lib.split(os.pathsep):
|
|
if l.endswith("x64"):
|
|
l = l[:-3] + "x86"
|
|
build_32_bit = True
|
|
elif l.endswith("amd64"):
|
|
l = l[:-5]
|
|
build_32_bit = True
|
|
new_lib.append(l)
|
|
if build_32_bit:
|
|
os.environ["LIB"] = os.pathsep.join(new_lib)
|
|
compiler_rt_build_dir = stage_dir + "/compiler-rt"
|
|
compiler_rt_inst_dir = inst_dir + "/lib/clang/"
|
|
subdirs = os.listdir(compiler_rt_inst_dir)
|
|
assert len(subdirs) == 1
|
|
compiler_rt_inst_dir += subdirs[0]
|
|
cmake_args = cmake_base_args(
|
|
[os.path.join(inst_dir, "bin", "clang-cl.exe"), "-m32"] + cc[1:],
|
|
[os.path.join(inst_dir, "bin", "clang-cl.exe"), "-m32"] + cxx[1:],
|
|
[os.path.join(inst_dir, "bin", "clang-cl.exe"), "-m32"] + asm[1:],
|
|
ld,
|
|
ar,
|
|
ranlib,
|
|
libtool,
|
|
compiler_rt_inst_dir,
|
|
)
|
|
cmake_args += [
|
|
"-DLLVM_CONFIG_PATH=%s"
|
|
% slashify_path(os.path.join(inst_dir, "bin", "llvm-config")),
|
|
os.path.join(src_dir, "projects", "compiler-rt"),
|
|
]
|
|
build_package(compiler_rt_build_dir, cmake_args)
|
|
os.environ["LIB"] = old_lib
|
|
if is_final_stage:
|
|
install_import_library(build_dir, inst_dir)
|
|
install_asan_symbols(build_dir, inst_dir)
|
|
|
|
|
|
# Return the absolute path of a build tool. We first look to see if the
|
|
# variable is defined in the config file, and if so we make sure it's an
|
|
# absolute path to an existing tool, otherwise we look for a program in
|
|
# $PATH named "key".
|
|
#
|
|
# This expects the name of the key in the config file to match the name of
|
|
# the tool in the default toolchain on the system (for example, "ld" on Unix
|
|
# and "link" on Windows).
|
|
def get_tool(config, key):
|
|
f = None
|
|
if key in config:
|
|
f = config[key].format(**os.environ)
|
|
if os.path.isabs(f):
|
|
if not os.path.exists(f):
|
|
raise ValueError("%s must point to an existing path" % key)
|
|
return f
|
|
|
|
# Assume that we have the name of some program that should be on PATH.
|
|
tool = which(f) if f else which(key)
|
|
if not tool:
|
|
raise ValueError("%s not found on PATH" % (f or key))
|
|
return tool
|
|
|
|
|
|
# This function is intended to be called on the final build directory when
|
|
# building clang-tidy. Also clang-format binaries are included that can be used
|
|
# in conjunction with clang-tidy.
|
|
# As a separate binary we also ship clangd for the language server protocol that
|
|
# can be used as a plugin in `vscode`.
|
|
# Its job is to remove all of the files which won't be used for clang-tidy or
|
|
# clang-format to reduce the download size. Currently when this function
|
|
# finishes its job, it will leave final_dir with a layout like this:
|
|
#
|
|
# clang/
|
|
# bin/
|
|
# clang-apply-replacements
|
|
# clang-format
|
|
# clang-tidy
|
|
# clangd
|
|
# include/
|
|
# * (nothing will be deleted here)
|
|
# lib/
|
|
# clang/
|
|
# 4.0.0/
|
|
# include/
|
|
# * (nothing will be deleted here)
|
|
# share/
|
|
# clang/
|
|
# clang-format-diff.py
|
|
# clang-tidy-diff.py
|
|
# run-clang-tidy.py
|
|
def prune_final_dir_for_clang_tidy(final_dir, osx_cross_compile):
|
|
# Make sure we only have what we expect.
|
|
dirs = [
|
|
"bin",
|
|
"include",
|
|
"lib",
|
|
"lib32",
|
|
"libexec",
|
|
"msbuild-bin",
|
|
"share",
|
|
"tools",
|
|
]
|
|
if is_linux():
|
|
dirs.append("x86_64-unknown-linux-gnu")
|
|
for f in glob.glob("%s/*" % final_dir):
|
|
if os.path.basename(f) not in dirs:
|
|
raise Exception("Found unknown file %s in the final directory" % f)
|
|
if not os.path.isdir(f):
|
|
raise Exception("Expected %s to be a directory" % f)
|
|
|
|
kept_binaries = ["clang-apply-replacements", "clang-format", "clang-tidy", "clangd"]
|
|
re_clang_tidy = re.compile(r"^(" + "|".join(kept_binaries) + r")(\.exe)?$", re.I)
|
|
for f in glob.glob("%s/bin/*" % final_dir):
|
|
if re_clang_tidy.search(os.path.basename(f)) is None:
|
|
delete(f)
|
|
|
|
# Keep include/ intact.
|
|
|
|
# Remove the target-specific files.
|
|
if is_linux():
|
|
if os.path.exists(os.path.join(final_dir, "x86_64-unknown-linux-gnu")):
|
|
shutil.rmtree(os.path.join(final_dir, "x86_64-unknown-linux-gnu"))
|
|
|
|
# In lib/, only keep lib/clang/N.M.O/include and the LLVM shared library.
|
|
re_ver_num = re.compile(r"^\d+\.\d+\.\d+$", re.I)
|
|
for f in glob.glob("%s/lib/*" % final_dir):
|
|
name = os.path.basename(f)
|
|
if name == "clang":
|
|
continue
|
|
if osx_cross_compile and name in ["libLLVM.dylib", "libclang-cpp.dylib"]:
|
|
continue
|
|
if is_linux() and (
|
|
fnmatch.fnmatch(name, "libLLVM*.so")
|
|
or fnmatch.fnmatch(name, "libclang-cpp.so*")
|
|
):
|
|
continue
|
|
delete(f)
|
|
for f in glob.glob("%s/lib/clang/*" % final_dir):
|
|
if re_ver_num.search(os.path.basename(f)) is None:
|
|
delete(f)
|
|
for f in glob.glob("%s/lib/clang/*/*" % final_dir):
|
|
if os.path.basename(f) != "include":
|
|
delete(f)
|
|
|
|
# Completely remove libexec/, msbuild-bin and tools, if it exists.
|
|
shutil.rmtree(os.path.join(final_dir, "libexec"))
|
|
for d in ("msbuild-bin", "tools"):
|
|
d = os.path.join(final_dir, d)
|
|
if os.path.exists(d):
|
|
shutil.rmtree(d)
|
|
|
|
# In share/, only keep share/clang/*tidy*
|
|
re_clang_tidy = re.compile(r"format|tidy", re.I)
|
|
for f in glob.glob("%s/share/*" % final_dir):
|
|
if os.path.basename(f) != "clang":
|
|
delete(f)
|
|
for f in glob.glob("%s/share/clang/*" % final_dir):
|
|
if re_clang_tidy.search(os.path.basename(f)) is None:
|
|
delete(f)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument(
|
|
"-c",
|
|
"--config",
|
|
required=True,
|
|
type=argparse.FileType("r"),
|
|
help="Clang configuration file",
|
|
)
|
|
parser.add_argument(
|
|
"--clean", required=False, action="store_true", help="Clean the build directory"
|
|
)
|
|
parser.add_argument(
|
|
"--skip-tar",
|
|
required=False,
|
|
action="store_true",
|
|
help="Skip tar packaging stage",
|
|
)
|
|
parser.add_argument(
|
|
"--skip-checkout",
|
|
required=False,
|
|
action="store_true",
|
|
help="Do not checkout/revert source",
|
|
)
|
|
|
|
args = parser.parse_args()
|
|
|
|
if not os.path.exists("llvm/README.txt"):
|
|
raise Exception(
|
|
"The script must be run from the root directory of the llvm-project tree"
|
|
)
|
|
source_dir = os.getcwd()
|
|
build_dir = source_dir + "/build"
|
|
|
|
if args.clean:
|
|
shutil.rmtree(build_dir)
|
|
os.sys.exit(0)
|
|
|
|
llvm_source_dir = source_dir + "/llvm"
|
|
extra_source_dir = source_dir + "/clang-tools-extra"
|
|
clang_source_dir = source_dir + "/clang"
|
|
lld_source_dir = source_dir + "/lld"
|
|
compiler_rt_source_dir = source_dir + "/compiler-rt"
|
|
libcxx_source_dir = source_dir + "/libcxx"
|
|
libcxxabi_source_dir = source_dir + "/libcxxabi"
|
|
|
|
exe_ext = ""
|
|
if is_windows():
|
|
exe_ext = ".exe"
|
|
|
|
cc_name = "clang"
|
|
cxx_name = "clang++"
|
|
if is_windows():
|
|
cc_name = "clang-cl"
|
|
cxx_name = "clang-cl"
|
|
|
|
config_dir = os.path.dirname(args.config.name)
|
|
config = json.load(args.config)
|
|
|
|
stages = 3
|
|
if "stages" in config:
|
|
stages = int(config["stages"])
|
|
if stages not in (1, 2, 3, 4):
|
|
raise ValueError("We only know how to build 1, 2, 3, or 4 stages.")
|
|
pgo = False
|
|
if "pgo" in config:
|
|
pgo = config["pgo"]
|
|
if pgo not in (True, False):
|
|
raise ValueError("Only boolean values are accepted for pgo.")
|
|
if pgo and stages != 4:
|
|
raise ValueError("PGO is only supported in 4-stage builds.")
|
|
build_type = "Release"
|
|
if "build_type" in config:
|
|
build_type = config["build_type"]
|
|
if build_type not in ("Release", "Debug", "RelWithDebInfo", "MinSizeRel"):
|
|
raise ValueError(
|
|
"We only know how to do Release, Debug, RelWithDebInfo or "
|
|
"MinSizeRel builds"
|
|
)
|
|
build_libcxx = False
|
|
if "build_libcxx" in config:
|
|
build_libcxx = config["build_libcxx"]
|
|
if build_libcxx not in (True, False):
|
|
raise ValueError("Only boolean values are accepted for build_libcxx.")
|
|
build_wasm = False
|
|
if "build_wasm" in config:
|
|
build_wasm = config["build_wasm"]
|
|
if build_wasm not in (True, False):
|
|
raise ValueError("Only boolean values are accepted for build_wasm.")
|
|
build_clang_tidy = False
|
|
if "build_clang_tidy" in config:
|
|
build_clang_tidy = config["build_clang_tidy"]
|
|
if build_clang_tidy not in (True, False):
|
|
raise ValueError("Only boolean values are accepted for build_clang_tidy.")
|
|
build_clang_tidy_alpha = False
|
|
# check for build_clang_tidy_alpha only if build_clang_tidy is true
|
|
if build_clang_tidy and "build_clang_tidy_alpha" in config:
|
|
build_clang_tidy_alpha = config["build_clang_tidy_alpha"]
|
|
if build_clang_tidy_alpha not in (True, False):
|
|
raise ValueError(
|
|
"Only boolean values are accepted for build_clang_tidy_alpha."
|
|
)
|
|
build_clang_tidy_external = False
|
|
# check for build_clang_tidy_external only if build_clang_tidy is true
|
|
if build_clang_tidy and "build_clang_tidy_external" in config:
|
|
build_clang_tidy_external = config["build_clang_tidy_external"]
|
|
if build_clang_tidy_external not in (True, False):
|
|
raise ValueError(
|
|
"Only boolean values are accepted for build_clang_tidy_external."
|
|
)
|
|
osx_cross_compile = False
|
|
if "osx_cross_compile" in config:
|
|
osx_cross_compile = config["osx_cross_compile"]
|
|
if osx_cross_compile not in (True, False):
|
|
raise ValueError("Only boolean values are accepted for osx_cross_compile.")
|
|
if osx_cross_compile and not is_linux():
|
|
raise ValueError("osx_cross_compile can only be used on Linux.")
|
|
assertions = False
|
|
if "assertions" in config:
|
|
assertions = config["assertions"]
|
|
if assertions not in (True, False):
|
|
raise ValueError("Only boolean values are accepted for assertions.")
|
|
python_path = None
|
|
if "python_path" not in config:
|
|
raise ValueError("Config file needs to set python_path")
|
|
python_path = config["python_path"]
|
|
gcc_dir = None
|
|
if "gcc_dir" in config:
|
|
gcc_dir = config["gcc_dir"].format(**os.environ)
|
|
if not os.path.exists(gcc_dir):
|
|
raise ValueError("gcc_dir must point to an existing path")
|
|
ndk_dir = None
|
|
android_targets = None
|
|
if "android_targets" in config:
|
|
android_targets = config["android_targets"]
|
|
for attr in ("ndk_toolchain", "ndk_sysroot", "ndk_includes", "api_level"):
|
|
for target, cfg in android_targets.items():
|
|
if attr not in cfg:
|
|
raise ValueError(
|
|
"must specify '%s' as a key for android target: %s"
|
|
% (attr, target)
|
|
)
|
|
extra_targets = None
|
|
if "extra_targets" in config:
|
|
extra_targets = config["extra_targets"]
|
|
if not isinstance(extra_targets, list):
|
|
raise ValueError("extra_targets must be a list")
|
|
if not all(isinstance(t, str) for t in extra_targets):
|
|
raise ValueError("members of extra_targets should be strings")
|
|
|
|
if is_linux() and gcc_dir is None:
|
|
raise ValueError("Config file needs to set gcc_dir")
|
|
|
|
if is_darwin() or osx_cross_compile:
|
|
os.environ["MACOSX_DEPLOYMENT_TARGET"] = "10.12"
|
|
|
|
cc = get_tool(config, "cc")
|
|
cxx = get_tool(config, "cxx")
|
|
asm = get_tool(config, "ml" if is_windows() else "as")
|
|
ld = get_tool(config, "link" if is_windows() else "ld")
|
|
ar = get_tool(config, "lib" if is_windows() else "ar")
|
|
ranlib = None if is_windows() else get_tool(config, "ranlib")
|
|
libtool = None
|
|
if "libtool" in config:
|
|
libtool = get_tool(config, "libtool")
|
|
|
|
if not os.path.exists(source_dir):
|
|
os.makedirs(source_dir)
|
|
|
|
for p in config.get("patches", []):
|
|
patch(os.path.join(config_dir, p), source_dir)
|
|
|
|
compiler_rt_source_link = llvm_source_dir + "/projects/compiler-rt"
|
|
|
|
symlinks = [
|
|
(clang_source_dir, llvm_source_dir + "/tools/clang"),
|
|
(extra_source_dir, llvm_source_dir + "/tools/clang/tools/extra"),
|
|
(lld_source_dir, llvm_source_dir + "/tools/lld"),
|
|
(compiler_rt_source_dir, compiler_rt_source_link),
|
|
(libcxx_source_dir, llvm_source_dir + "/projects/libcxx"),
|
|
(libcxxabi_source_dir, llvm_source_dir + "/projects/libcxxabi"),
|
|
]
|
|
for l in symlinks:
|
|
# On Windows, we have to re-copy the whole directory every time.
|
|
if not is_windows() and os.path.islink(l[1]):
|
|
continue
|
|
delete(l[1])
|
|
if os.path.exists(l[0]):
|
|
symlink(l[0], l[1])
|
|
|
|
package_name = "clang"
|
|
if build_clang_tidy:
|
|
package_name = "clang-tidy"
|
|
import_clang_tidy(source_dir, build_clang_tidy_alpha, build_clang_tidy_external)
|
|
|
|
if not os.path.exists(build_dir):
|
|
os.makedirs(build_dir)
|
|
|
|
libcxx_include_dir = os.path.join(llvm_source_dir, "projects", "libcxx", "include")
|
|
|
|
stage1_dir = build_dir + "/stage1"
|
|
stage1_inst_dir = stage1_dir + "/" + package_name
|
|
|
|
final_stage_dir = stage1_dir
|
|
final_inst_dir = stage1_inst_dir
|
|
|
|
if is_darwin():
|
|
extra_cflags = []
|
|
extra_cxxflags = ["-stdlib=libc++"]
|
|
extra_cflags2 = []
|
|
extra_cxxflags2 = ["-stdlib=libc++"]
|
|
extra_asmflags = []
|
|
extra_ldflags = []
|
|
elif is_linux():
|
|
extra_cflags = []
|
|
extra_cxxflags = []
|
|
# When building stage2 and stage3, we want the newly-built clang to pick
|
|
# up whatever headers were installed from the gcc we used to build stage1,
|
|
# always, rather than the system headers. Providing -gcc-toolchain
|
|
# encourages clang to do that.
|
|
extra_cflags2 = ["-fPIC", "-gcc-toolchain", stage1_inst_dir]
|
|
# Silence clang's warnings about arguments not being used in compilation.
|
|
extra_cxxflags2 = [
|
|
"-fPIC",
|
|
"-Qunused-arguments",
|
|
"-gcc-toolchain",
|
|
stage1_inst_dir,
|
|
]
|
|
extra_asmflags = []
|
|
# Avoid libLLVM internal function calls going through the PLT.
|
|
extra_ldflags = ["-Wl,-Bsymbolic-functions"]
|
|
# For whatever reason, LLVM's build system will set things up to turn
|
|
# on -ffunction-sections and -fdata-sections, but won't turn on the
|
|
# corresponding option to strip unused sections. We do it explicitly
|
|
# here. LLVM's build system is also picky about turning on ICF, so
|
|
# we do that explicitly here, too.
|
|
extra_ldflags += ["-fuse-ld=gold", "-Wl,--gc-sections", "-Wl,--icf=safe"]
|
|
|
|
if "LD_LIBRARY_PATH" in os.environ:
|
|
os.environ["LD_LIBRARY_PATH"] = "%s/lib64/:%s" % (
|
|
gcc_dir,
|
|
os.environ["LD_LIBRARY_PATH"],
|
|
)
|
|
else:
|
|
os.environ["LD_LIBRARY_PATH"] = "%s/lib64/" % gcc_dir
|
|
elif is_windows():
|
|
extra_cflags = []
|
|
extra_cxxflags = []
|
|
# clang-cl would like to figure out what it's supposed to be emulating
|
|
# by looking at an MSVC install, but we don't really have that here.
|
|
# Force things on.
|
|
extra_cflags2 = []
|
|
extra_cxxflags2 = [
|
|
"-fms-compatibility-version=19.15.26726",
|
|
"-Xclang",
|
|
"-std=c++14",
|
|
]
|
|
extra_asmflags = []
|
|
extra_ldflags = []
|
|
|
|
if osx_cross_compile:
|
|
# undo the damage done in the is_linux() block above, and also simulate
|
|
# the is_darwin() block above.
|
|
extra_cflags = []
|
|
extra_cxxflags = ["-stdlib=libc++"]
|
|
extra_cxxflags2 = ["-stdlib=libc++"]
|
|
|
|
extra_flags = [
|
|
"-target",
|
|
"x86_64-apple-darwin",
|
|
"-mlinker-version=137",
|
|
"-B",
|
|
"%s/bin" % os.getenv("CROSS_CCTOOLS_PATH"),
|
|
"-isysroot",
|
|
os.getenv("CROSS_SYSROOT"),
|
|
# technically the sysroot flag there should be enough to deduce this,
|
|
# but clang needs some help to figure this out.
|
|
"-I%s/usr/include" % os.getenv("CROSS_SYSROOT"),
|
|
"-iframework",
|
|
"%s/System/Library/Frameworks" % os.getenv("CROSS_SYSROOT"),
|
|
]
|
|
extra_cflags += extra_flags
|
|
extra_cxxflags += extra_flags
|
|
extra_cflags2 += extra_flags
|
|
extra_cxxflags2 += extra_flags
|
|
extra_asmflags += extra_flags
|
|
extra_ldflags = [
|
|
"-Wl,-syslibroot,%s" % os.getenv("CROSS_SYSROOT"),
|
|
"-Wl,-dead_strip",
|
|
]
|
|
|
|
upload_dir = os.getenv("UPLOAD_DIR")
|
|
if assertions and upload_dir:
|
|
extra_cflags2 += ["-fcrash-diagnostics-dir=%s" % upload_dir]
|
|
extra_cxxflags2 += ["-fcrash-diagnostics-dir=%s" % upload_dir]
|
|
|
|
build_one_stage(
|
|
[cc] + extra_cflags,
|
|
[cxx] + extra_cxxflags,
|
|
[asm] + extra_asmflags,
|
|
[ld] + extra_ldflags,
|
|
ar,
|
|
ranlib,
|
|
libtool,
|
|
llvm_source_dir,
|
|
stage1_dir,
|
|
package_name,
|
|
build_libcxx,
|
|
osx_cross_compile,
|
|
build_type,
|
|
assertions,
|
|
python_path,
|
|
gcc_dir,
|
|
libcxx_include_dir,
|
|
build_wasm,
|
|
is_final_stage=(stages == 1),
|
|
)
|
|
|
|
runtimes_source_link = llvm_source_dir + "/runtimes/compiler-rt"
|
|
|
|
if stages >= 2:
|
|
stage2_dir = build_dir + "/stage2"
|
|
stage2_inst_dir = stage2_dir + "/" + package_name
|
|
final_stage_dir = stage2_dir
|
|
final_inst_dir = stage2_inst_dir
|
|
pgo_phase = "gen" if pgo else None
|
|
build_one_stage(
|
|
[stage1_inst_dir + "/bin/%s%s" % (cc_name, exe_ext)] + extra_cflags2,
|
|
[stage1_inst_dir + "/bin/%s%s" % (cxx_name, exe_ext)] + extra_cxxflags2,
|
|
[stage1_inst_dir + "/bin/%s%s" % (cc_name, exe_ext)] + extra_asmflags,
|
|
[ld] + extra_ldflags,
|
|
ar,
|
|
ranlib,
|
|
libtool,
|
|
llvm_source_dir,
|
|
stage2_dir,
|
|
package_name,
|
|
build_libcxx,
|
|
osx_cross_compile,
|
|
build_type,
|
|
assertions,
|
|
python_path,
|
|
gcc_dir,
|
|
libcxx_include_dir,
|
|
build_wasm,
|
|
compiler_rt_source_dir,
|
|
runtimes_source_link,
|
|
compiler_rt_source_link,
|
|
is_final_stage=(stages == 2),
|
|
android_targets=android_targets,
|
|
extra_targets=extra_targets,
|
|
pgo_phase=pgo_phase,
|
|
)
|
|
|
|
if stages >= 3:
|
|
stage3_dir = build_dir + "/stage3"
|
|
stage3_inst_dir = stage3_dir + "/" + package_name
|
|
final_stage_dir = stage3_dir
|
|
final_inst_dir = stage3_inst_dir
|
|
build_one_stage(
|
|
[stage2_inst_dir + "/bin/%s%s" % (cc_name, exe_ext)] + extra_cflags2,
|
|
[stage2_inst_dir + "/bin/%s%s" % (cxx_name, exe_ext)] + extra_cxxflags2,
|
|
[stage2_inst_dir + "/bin/%s%s" % (cc_name, exe_ext)] + extra_asmflags,
|
|
[ld] + extra_ldflags,
|
|
ar,
|
|
ranlib,
|
|
libtool,
|
|
llvm_source_dir,
|
|
stage3_dir,
|
|
package_name,
|
|
build_libcxx,
|
|
osx_cross_compile,
|
|
build_type,
|
|
assertions,
|
|
python_path,
|
|
gcc_dir,
|
|
libcxx_include_dir,
|
|
build_wasm,
|
|
compiler_rt_source_dir,
|
|
runtimes_source_link,
|
|
compiler_rt_source_link,
|
|
(stages == 3),
|
|
extra_targets=extra_targets,
|
|
)
|
|
|
|
if stages >= 4:
|
|
stage4_dir = build_dir + "/stage4"
|
|
stage4_inst_dir = stage4_dir + "/" + package_name
|
|
final_stage_dir = stage4_dir
|
|
final_inst_dir = stage4_inst_dir
|
|
pgo_phase = None
|
|
if pgo:
|
|
pgo_phase = "use"
|
|
llvm_profdata = stage3_inst_dir + "/bin/llvm-profdata%s" % exe_ext
|
|
merge_cmd = [llvm_profdata, "merge", "-o", "merged.profdata"]
|
|
profraw_files = glob.glob(
|
|
os.path.join(stage2_dir, "build", "profiles", "*.profraw")
|
|
)
|
|
if not os.path.exists(stage4_dir):
|
|
os.mkdir(stage4_dir)
|
|
run_in(stage4_dir, merge_cmd + profraw_files)
|
|
build_one_stage(
|
|
[stage3_inst_dir + "/bin/%s%s" % (cc_name, exe_ext)] + extra_cflags2,
|
|
[stage3_inst_dir + "/bin/%s%s" % (cxx_name, exe_ext)] + extra_cxxflags2,
|
|
[stage3_inst_dir + "/bin/%s%s" % (cc_name, exe_ext)] + extra_asmflags,
|
|
[ld] + extra_ldflags,
|
|
ar,
|
|
ranlib,
|
|
libtool,
|
|
llvm_source_dir,
|
|
stage4_dir,
|
|
package_name,
|
|
build_libcxx,
|
|
osx_cross_compile,
|
|
build_type,
|
|
assertions,
|
|
python_path,
|
|
gcc_dir,
|
|
libcxx_include_dir,
|
|
build_wasm,
|
|
compiler_rt_source_dir,
|
|
runtimes_source_link,
|
|
compiler_rt_source_link,
|
|
(stages == 4),
|
|
extra_targets=extra_targets,
|
|
pgo_phase=pgo_phase,
|
|
)
|
|
|
|
if build_clang_tidy:
|
|
prune_final_dir_for_clang_tidy(
|
|
os.path.join(final_stage_dir, package_name), osx_cross_compile
|
|
)
|
|
|
|
# Copy the wasm32 builtins to the final_inst_dir if the archive is present.
|
|
if "wasi-sysroot" in config:
|
|
sysroot = config["wasi-sysroot"].format(**os.environ)
|
|
if os.path.isdir(sysroot):
|
|
for srcdir in glob.glob(
|
|
os.path.join(sysroot, "lib", "clang", "*", "lib", "wasi")
|
|
):
|
|
print("Copying from wasi-sysroot srcdir %s" % srcdir)
|
|
# Copy the contents of the "lib/wasi" subdirectory to the
|
|
# appropriate location in final_inst_dir.
|
|
version = os.path.basename(os.path.dirname(os.path.dirname(srcdir)))
|
|
destdir = os.path.join(
|
|
final_inst_dir, "lib", "clang", version, "lib", "wasi"
|
|
)
|
|
mkdir_p(destdir)
|
|
copy_tree(srcdir, destdir)
|
|
|
|
if not args.skip_tar:
|
|
build_tar_package("%s.tar.zst" % package_name, final_stage_dir, package_name)
|