forked from mirrors/gecko-dev
33c6c355d6
shutil.copy2() will fail if the destination directory doesn't exist. Switch to copy_tree() instead so we don't need to worry about the error cases of copy2() and copytree(). MozReview-Commit-ID: 3kHfgL57KfX --HG-- extra : rebase_source : c7335b0c2854d53699dda0f0d2bd9d17b57c4e5d
585 lines
22 KiB
Python
Executable file
585 lines
22 KiB
Python
Executable file
#!/usr/bin/python2.7
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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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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 tempfile
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import glob
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import errno
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import re
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from contextlib import contextmanager
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import sys
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import which
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from distutils.dir_util import copy_tree
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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 >> sys.stderr, ' '.join(args)
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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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d = os.getcwd()
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print >> sys.stderr, 'cd "%s"' % path
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os.chdir(path)
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check_run(args)
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print >> sys.stderr, 'cd "%s"' % d
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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',
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'-s'])
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def import_clang_tidy(source_dir):
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clang_plugin_path = os.path.join(os.path.dirname(sys.argv[0]),
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'..', 'clang-plugin')
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clang_tidy_path = os.path.join(source_dir,
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'tools/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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do_import(clang_plugin_path, clang_tidy_path)
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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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run_in(package_build_dir, ["cmake"] + cmake_args)
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run_in(package_build_dir, ["ninja", "install"])
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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(tar, name, base, directory):
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name = os.path.realpath(name)
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# On Windows, we have to convert this into an msys path so that tar can
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# understand it.
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if is_windows():
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name = name.replace('\\', '/')
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def f(match):
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return '/' + match.group(1).lower()
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name = re.sub(r'^([A-Za-z]):', f, name)
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run_in(base, [tar,
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"-c",
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"-%s" % ("J" if ".xz" in name else "j"),
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"-f",
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name, 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:
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pass
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def install_libgcc(gcc_dir, clang_dir):
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out = subprocess.check_output([os.path.join(gcc_dir, "bin", "gcc"),
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'-print-libgcc-file-name'])
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libgcc_dir = os.path.dirname(out.rstrip())
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clang_lib_dir = os.path.join(clang_dir, "lib", "gcc",
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"x86_64-unknown-linux-gnu",
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os.path.basename(libgcc_dir))
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mkdir_p(clang_lib_dir)
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copy_tree(libgcc_dir, clang_lib_dir)
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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)
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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)
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def install_import_library(build_dir, clang_dir):
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shutil.copy2(os.path.join(build_dir, "lib", "clang.lib"),
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os.path.join(clang_dir, "lib"))
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def svn_co(source_dir, url, directory, revision):
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run_in(source_dir, ["svn", "co", "-q", "-r", revision, url, directory])
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def svn_update(directory, revision):
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run_in(directory, ["svn", "update", "-q", "-r", revision])
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run_in(directory, ["svn", "revert", "-q", "-R", revision])
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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(cc, cxx, asm, ld, ar, ranlib, libtool,
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src_dir, stage_dir, build_libcxx,
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osx_cross_compile, build_type, assertions,
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python_path, gcc_dir, libcxx_include_dir):
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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 + "/clang"
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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(build_dir + "/CMakeCache.txt"):
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os.remove(build_dir + "/CMakeCache.txt")
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if os.path.exists(build_dir + "/CMakeFiles"):
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shutil.rmtree(build_dir + "/CMakeFiles")
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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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cmake_args = ["-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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"-DLLVM_TARGETS_TO_BUILD=X86;ARM",
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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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"-DCMAKE_INSTALL_PREFIX=%s" % inst_dir,
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"-DLLVM_TOOL_LIBCXX_BUILD=%s" % ("ON" if build_libcxx else "OFF"),
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"-DLIBCXX_LIBCPPABI_VERSION=\"\"",
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src_dir];
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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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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 += ["-DCMAKE_SYSTEM_NAME=Darwin",
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"-DCMAKE_SYSTEM_VERSION=10.10",
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"-DLLVM_ENABLE_THREADS=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_CCTOOLS_PATH")),
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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=@executable_path",
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"-DCMAKE_OSX_ARCHITECTURES=x86_64",
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"-DDARWIN_osx_ARCHS=x86_64",
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"-DLLVM_DEFAULT_TARGET_TRIPLE=x86_64-apple-darwin11"]
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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)
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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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install_import_library(build_dir, inst_dir)
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# Return the absolute path of a build tool. We first look to see if the
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# variable is defined in the config file, and if so we make sure it's an
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# absolute path to an existing tool, otherwise we look for a program in
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# $PATH named "key".
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#
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# This expects the name of the key in the config file to match the name of
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# the tool in the default toolchain on the system (for example, "ld" on Unix
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# and "link" on Windows).
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def get_tool(config, key):
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f = None
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if key in config:
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f = config[key]
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if os.path.isabs(f):
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if not os.path.exists(f):
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raise ValueError("%s must point to an existing path" % key)
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return f
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# Assume that we have the name of some program that should be on PATH.
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try:
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return which.which(f) if f else which.which(key)
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except which.WhichError:
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raise ValueError("%s not found on PATH" % f)
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# This function is intended to be called on the final build directory when
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# building clang-tidy. Its job is to remove all of the files which won't
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# be used for clang-tidy to reduce the download size. Currently when this
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# function finishes its job, it will leave final_dir with a layout like this:
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#
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# clang/
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# bin/
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# clang-tidy
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# include/
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# * (nothing will be deleted here)
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# lib/
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# clang/
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# 4.0.0/
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# include/
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# * (nothing will be deleted here)
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# share/
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# clang/
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# clang-tidy-diff.py
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# run-clang-tidy.py
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def prune_final_dir_for_clang_tidy(final_dir):
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# Make sure we only have what we expect.
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dirs = ("bin", "include", "lib", "libexec", "msbuild-bin", "share", "tools")
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for f in glob.glob("%s/*" % final_dir):
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if os.path.basename(f) not in dirs:
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raise Exception("Found unknown file %s in the final directory" % f)
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if not os.path.isdir(f):
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raise Exception("Expected %s to be a directory" %f)
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# In bin/, only keep clang-tidy.
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re_clang_tidy = re.compile(r"^clang-tidy(\.exe)?$", re.I)
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for f in glob.glob("%s/bin/*" % final_dir):
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if re_clang_tidy.search(os.path.basename(f)) is None:
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delete(f)
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# Keep include/ intact.
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# In lib/, only keep lib/clang/N.M.O/include.
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re_ver_num = re.compile(r"^\d+\.\d+\.\d+$", re.I)
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for f in glob.glob("%s/lib/*" % final_dir):
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if os.path.basename(f) != "clang":
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delete(f)
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for f in glob.glob("%s/lib/clang/*" % final_dir):
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if re_ver_num.search(os.path.basename(f)) is None:
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delete(f)
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for f in glob.glob("%s/lib/clang/*/*" % final_dir):
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if os.path.basename(f) != "include":
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delete(f)
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# Completely remove libexec/, msbuilld-bin and tools, if it exists.
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shutil.rmtree(os.path.join(final_dir, "libexec"))
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for d in ("msbuild-bin", "tools"):
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d = os.path.join(final_dir, d)
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if os.path.exists(d):
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shutil.rmtree(d)
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# In share/, only keep share/clang/*tidy*
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re_clang_tidy = re.compile(r"tidy", re.I)
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for f in glob.glob("%s/share/*" % final_dir):
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if os.path.basename(f) != "clang":
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delete(f)
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for f in glob.glob("%s/share/clang/*" % final_dir):
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if re_clang_tidy.search(os.path.basename(f)) is None:
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delete(f)
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if __name__ == "__main__":
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# The directories end up in the debug info, so the easy way of getting
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# a reproducible build is to run it in a know absolute directory.
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# We use a directory in /builds/slave because the mozilla infrastructure
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# cleans it up automatically.
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base_dir = "/builds/slave/moz-toolchain"
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if is_windows():
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# TODO: Because Windows taskcluster builds are run with distinct
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# user IDs for each job, we can't store things in some globally
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# accessible directory: one job will run, checkout LLVM to that
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# directory, and then if another job runs, the new user won't be
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# able to access the previously-checked out code--or be able to
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# delete it. So on Windows, we build in the task-specific home
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# directory; we will eventually add -fdebug-prefix-map options
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# to the LLVM build to bring back reproducibility.
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base_dir = os.path.join(os.getcwd(), 'llvm-sources')
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source_dir = base_dir + "/src"
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build_dir = base_dir + "/build"
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llvm_source_dir = source_dir + "/llvm"
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clang_source_dir = source_dir + "/clang"
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extra_source_dir = source_dir + "/extra"
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compiler_rt_source_dir = source_dir + "/compiler-rt"
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libcxx_source_dir = source_dir + "/libcxx"
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libcxxabi_source_dir = source_dir + "/libcxxabi"
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if is_darwin():
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os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.7'
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exe_ext = ""
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if is_windows():
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exe_ext = ".exe"
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cc_name = "clang"
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cxx_name = "clang++"
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if is_windows():
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cc_name = "clang-cl"
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cxx_name = "clang-cl"
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parser = argparse.ArgumentParser()
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parser.add_argument('-c', '--config', required=True,
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type=argparse.FileType('r'),
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help="Clang configuration file")
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parser.add_argument('--clean', required=False,
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action='store_true',
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help="Clean the build directory")
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args = parser.parse_args()
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config = json.load(args.config)
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if args.clean:
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shutil.rmtree(build_dir)
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os.sys.exit(0)
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llvm_revision = config["llvm_revision"]
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llvm_repo = config["llvm_repo"]
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clang_repo = config["clang_repo"]
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extra_repo = config.get("extra_repo")
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compiler_repo = config["compiler_repo"]
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libcxx_repo = config["libcxx_repo"]
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libcxxabi_repo = config.get("libcxxabi_repo")
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stages = 3
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if "stages" in config:
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stages = int(config["stages"])
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if stages not in (1, 2, 3):
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raise ValueError("We only know how to build 1, 2, or 3 stages")
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build_type = "Release"
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if "build_type" in config:
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build_type = config["build_type"]
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if build_type not in ("Release", "Debug", "RelWithDebInfo", "MinSizeRel"):
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raise ValueError("We only know how to do Release, Debug, RelWithDebInfo or MinSizeRel builds")
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build_libcxx = False
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if "build_libcxx" in config:
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build_libcxx = config["build_libcxx"]
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if build_libcxx not in (True, False):
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raise ValueError("Only boolean values are accepted for build_libcxx.")
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build_clang_tidy = False
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if "build_clang_tidy" in config:
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build_clang_tidy = config["build_clang_tidy"]
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if build_clang_tidy not in (True, False):
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raise ValueError("Only boolean values are accepted for build_clang_tidy.")
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osx_cross_compile = False
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if "osx_cross_compile" in config:
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osx_cross_compile = config["osx_cross_compile"]
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if osx_cross_compile not in (True, False):
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raise ValueError("Only boolean values are accepted for osx_cross_compile.")
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if osx_cross_compile and not is_linux():
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raise ValueError("osx_cross_compile can only be used on Linux.")
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assertions = False
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if "assertions" in config:
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assertions = config["assertions"]
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if assertions not in (True, False):
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raise ValueError("Only boolean values are accepted for assertions.")
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python_path = None
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if "python_path" not in config:
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raise ValueError("Config file needs to set python_path")
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python_path = config["python_path"]
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gcc_dir = None
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if "gcc_dir" in config:
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gcc_dir = config["gcc_dir"]
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if not os.path.exists(gcc_dir):
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raise ValueError("gcc_dir must point to an existing path")
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if is_linux() and gcc_dir is None:
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raise ValueError("Config file needs to set gcc_dir")
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cc = get_tool(config, "cc")
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cxx = get_tool(config, "cxx")
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asm = get_tool(config, "ml" if is_windows() else "as")
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ld = get_tool(config, "link" if is_windows() else "ld")
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ar = get_tool(config, "lib" if is_windows() else "ar")
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ranlib = None if is_windows() else get_tool(config, "ranlib")
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libtool = None
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if "libtool" in config:
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libtool = get_tool(config, "libtool")
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if not os.path.exists(source_dir):
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os.makedirs(source_dir)
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def checkout_or_update(repo, checkout_dir):
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if os.path.exists(checkout_dir):
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svn_update(checkout_dir, llvm_revision)
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else:
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svn_co(source_dir, repo, checkout_dir, llvm_revision)
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checkout_or_update(llvm_repo, llvm_source_dir)
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checkout_or_update(clang_repo, clang_source_dir)
|
|
checkout_or_update(compiler_repo, compiler_rt_source_dir)
|
|
checkout_or_update(libcxx_repo, libcxx_source_dir)
|
|
if libcxxabi_repo:
|
|
checkout_or_update(libcxxabi_repo, libcxxabi_source_dir)
|
|
if extra_repo:
|
|
checkout_or_update(extra_repo, extra_source_dir)
|
|
for p in config.get("patches", []):
|
|
patch(p, source_dir)
|
|
|
|
symlinks = [(source_dir + "/clang",
|
|
llvm_source_dir + "/tools/clang"),
|
|
(source_dir + "/extra",
|
|
llvm_source_dir + "/tools/clang/tools/extra"),
|
|
(source_dir + "/compiler-rt",
|
|
llvm_source_dir + "/projects/compiler-rt"),
|
|
(source_dir + "/libcxx",
|
|
llvm_source_dir + "/projects/libcxx"),
|
|
(source_dir + "/libcxxabi",
|
|
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])
|
|
|
|
if build_clang_tidy:
|
|
import_clang_tidy(llvm_source_dir)
|
|
|
|
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 + '/clang'
|
|
|
|
final_stage_dir = stage1_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 = ["-static-libgcc"]
|
|
extra_cxxflags = ["-static-libgcc", "-static-libstdc++"]
|
|
extra_cflags2 = ["-fPIC"]
|
|
extra_cxxflags2 = ["-fPIC", "-static-libstdc++"]
|
|
extra_asmflags = []
|
|
extra_ldflags = []
|
|
|
|
if os.environ.has_key('LD_LIBRARY_PATH'):
|
|
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=19.00.24213', '-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-darwin11", "-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"]
|
|
|
|
build_one_stage(
|
|
[cc] + extra_cflags,
|
|
[cxx] + extra_cxxflags,
|
|
[asm] + extra_asmflags,
|
|
[ld] + extra_ldflags,
|
|
ar, ranlib, libtool,
|
|
llvm_source_dir, stage1_dir, build_libcxx, osx_cross_compile,
|
|
build_type, assertions, python_path, gcc_dir, libcxx_include_dir)
|
|
|
|
if stages > 1:
|
|
stage2_dir = build_dir + '/stage2'
|
|
stage2_inst_dir = stage2_dir + '/clang'
|
|
final_stage_dir = stage2_dir
|
|
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, build_libcxx, osx_cross_compile,
|
|
build_type, assertions, python_path, gcc_dir, libcxx_include_dir)
|
|
|
|
if stages > 2:
|
|
stage3_dir = build_dir + '/stage3'
|
|
final_stage_dir = stage3_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, build_libcxx, osx_cross_compile,
|
|
build_type, assertions, python_path, gcc_dir, libcxx_include_dir)
|
|
|
|
package_name = "clang"
|
|
if build_clang_tidy:
|
|
prune_final_dir_for_clang_tidy(os.path.join(final_stage_dir, "clang"))
|
|
package_name = "clang-tidy"
|
|
|
|
if is_darwin() or is_windows():
|
|
build_tar_package("tar", package_name + ".tar.bz2", final_stage_dir, "clang")
|
|
else:
|
|
build_tar_package("tar", package_name + ".tar.xz", final_stage_dir, "clang")
|