Update prebuilt Clang to r416183b from Android.
https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef
clang 12.0.5 (based on r416183b) from build 7284624.
Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/python3/lib/python3.9/distutils/util.py b/linux-x64/clang/python3/lib/python3.9/distutils/util.py
new file mode 100644
index 0000000..4b002ec
--- /dev/null
+++ b/linux-x64/clang/python3/lib/python3.9/distutils/util.py
@@ -0,0 +1,559 @@
+"""distutils.util
+
+Miscellaneous utility functions -- anything that doesn't fit into
+one of the other *util.py modules.
+"""
+
+import os
+import re
+import importlib.util
+import string
+import sys
+from distutils.errors import DistutilsPlatformError
+from distutils.dep_util import newer
+from distutils.spawn import spawn
+from distutils import log
+from distutils.errors import DistutilsByteCompileError
+
+def get_host_platform():
+ """Return a string that identifies the current platform. This is used mainly to
+ distinguish platform-specific build directories and platform-specific built
+ distributions. Typically includes the OS name and version and the
+ architecture (as supplied by 'os.uname()'), although the exact information
+ included depends on the OS; eg. on Linux, the kernel version isn't
+ particularly important.
+
+ Examples of returned values:
+ linux-i586
+ linux-alpha (?)
+ solaris-2.6-sun4u
+
+ Windows will return one of:
+ win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc)
+ win32 (all others - specifically, sys.platform is returned)
+
+ For other non-POSIX platforms, currently just returns 'sys.platform'.
+
+ """
+ if os.name == 'nt':
+ if 'amd64' in sys.version.lower():
+ return 'win-amd64'
+ if '(arm)' in sys.version.lower():
+ return 'win-arm32'
+ if '(arm64)' in sys.version.lower():
+ return 'win-arm64'
+ return sys.platform
+
+ # Set for cross builds explicitly
+ if "_PYTHON_HOST_PLATFORM" in os.environ:
+ return os.environ["_PYTHON_HOST_PLATFORM"]
+
+ if os.name != "posix" or not hasattr(os, 'uname'):
+ # XXX what about the architecture? NT is Intel or Alpha,
+ # Mac OS is M68k or PPC, etc.
+ return sys.platform
+
+ # Try to distinguish various flavours of Unix
+
+ (osname, host, release, version, machine) = os.uname()
+
+ # Convert the OS name to lowercase, remove '/' characters, and translate
+ # spaces (for "Power Macintosh")
+ osname = osname.lower().replace('/', '')
+ machine = machine.replace(' ', '_')
+ machine = machine.replace('/', '-')
+
+ if osname[:5] == "linux":
+ # At least on Linux/Intel, 'machine' is the processor --
+ # i386, etc.
+ # XXX what about Alpha, SPARC, etc?
+ return "%s-%s" % (osname, machine)
+ elif osname[:5] == "sunos":
+ if release[0] >= "5": # SunOS 5 == Solaris 2
+ osname = "solaris"
+ release = "%d.%s" % (int(release[0]) - 3, release[2:])
+ # We can't use "platform.architecture()[0]" because a
+ # bootstrap problem. We use a dict to get an error
+ # if some suspicious happens.
+ bitness = {2147483647:"32bit", 9223372036854775807:"64bit"}
+ machine += ".%s" % bitness[sys.maxsize]
+ # fall through to standard osname-release-machine representation
+ elif osname[:3] == "aix":
+ from _aix_support import aix_platform
+ return aix_platform()
+ elif osname[:6] == "cygwin":
+ osname = "cygwin"
+ rel_re = re.compile (r'[\d.]+', re.ASCII)
+ m = rel_re.match(release)
+ if m:
+ release = m.group()
+ elif osname[:6] == "darwin":
+ import _osx_support, distutils.sysconfig
+ osname, release, machine = _osx_support.get_platform_osx(
+ distutils.sysconfig.get_config_vars(),
+ osname, release, machine)
+
+ return "%s-%s-%s" % (osname, release, machine)
+
+def get_platform():
+ if os.name == 'nt':
+ TARGET_TO_PLAT = {
+ 'x86' : 'win32',
+ 'x64' : 'win-amd64',
+ 'arm' : 'win-arm32',
+ }
+ return TARGET_TO_PLAT.get(os.environ.get('VSCMD_ARG_TGT_ARCH')) or get_host_platform()
+ else:
+ return get_host_platform()
+
+def convert_path (pathname):
+ """Return 'pathname' as a name that will work on the native filesystem,
+ i.e. split it on '/' and put it back together again using the current
+ directory separator. Needed because filenames in the setup script are
+ always supplied in Unix style, and have to be converted to the local
+ convention before we can actually use them in the filesystem. Raises
+ ValueError on non-Unix-ish systems if 'pathname' either starts or
+ ends with a slash.
+ """
+ if os.sep == '/':
+ return pathname
+ if not pathname:
+ return pathname
+ if pathname[0] == '/':
+ raise ValueError("path '%s' cannot be absolute" % pathname)
+ if pathname[-1] == '/':
+ raise ValueError("path '%s' cannot end with '/'" % pathname)
+
+ paths = pathname.split('/')
+ while '.' in paths:
+ paths.remove('.')
+ if not paths:
+ return os.curdir
+ return os.path.join(*paths)
+
+# convert_path ()
+
+
+def change_root (new_root, pathname):
+ """Return 'pathname' with 'new_root' prepended. If 'pathname' is
+ relative, this is equivalent to "os.path.join(new_root,pathname)".
+ Otherwise, it requires making 'pathname' relative and then joining the
+ two, which is tricky on DOS/Windows and Mac OS.
+ """
+ if os.name == 'posix':
+ if not os.path.isabs(pathname):
+ return os.path.join(new_root, pathname)
+ else:
+ return os.path.join(new_root, pathname[1:])
+
+ elif os.name == 'nt':
+ (drive, path) = os.path.splitdrive(pathname)
+ if path[0] == '\\':
+ path = path[1:]
+ return os.path.join(new_root, path)
+
+ else:
+ raise DistutilsPlatformError("nothing known about platform '%s'" % os.name)
+
+
+_environ_checked = 0
+def check_environ ():
+ """Ensure that 'os.environ' has all the environment variables we
+ guarantee that users can use in config files, command-line options,
+ etc. Currently this includes:
+ HOME - user's home directory (Unix only)
+ PLAT - description of the current platform, including hardware
+ and OS (see 'get_platform()')
+ """
+ global _environ_checked
+ if _environ_checked:
+ return
+
+ if os.name == 'posix' and 'HOME' not in os.environ:
+ try:
+ import pwd
+ os.environ['HOME'] = pwd.getpwuid(os.getuid())[5]
+ except (ImportError, KeyError):
+ # bpo-10496: if the current user identifier doesn't exist in the
+ # password database, do nothing
+ pass
+
+ if 'PLAT' not in os.environ:
+ os.environ['PLAT'] = get_platform()
+
+ _environ_checked = 1
+
+
+def subst_vars (s, local_vars):
+ """Perform shell/Perl-style variable substitution on 'string'. Every
+ occurrence of '$' followed by a name is considered a variable, and
+ variable is substituted by the value found in the 'local_vars'
+ dictionary, or in 'os.environ' if it's not in 'local_vars'.
+ 'os.environ' is first checked/augmented to guarantee that it contains
+ certain values: see 'check_environ()'. Raise ValueError for any
+ variables not found in either 'local_vars' or 'os.environ'.
+ """
+ check_environ()
+ def _subst (match, local_vars=local_vars):
+ var_name = match.group(1)
+ if var_name in local_vars:
+ return str(local_vars[var_name])
+ else:
+ return os.environ[var_name]
+
+ try:
+ return re.sub(r'\$([a-zA-Z_][a-zA-Z_0-9]*)', _subst, s)
+ except KeyError as var:
+ raise ValueError("invalid variable '$%s'" % var)
+
+# subst_vars ()
+
+
+def grok_environment_error (exc, prefix="error: "):
+ # Function kept for backward compatibility.
+ # Used to try clever things with EnvironmentErrors,
+ # but nowadays str(exception) produces good messages.
+ return prefix + str(exc)
+
+
+# Needed by 'split_quoted()'
+_wordchars_re = _squote_re = _dquote_re = None
+def _init_regex():
+ global _wordchars_re, _squote_re, _dquote_re
+ _wordchars_re = re.compile(r'[^\\\'\"%s ]*' % string.whitespace)
+ _squote_re = re.compile(r"'(?:[^'\\]|\\.)*'")
+ _dquote_re = re.compile(r'"(?:[^"\\]|\\.)*"')
+
+def split_quoted (s):
+ """Split a string up according to Unix shell-like rules for quotes and
+ backslashes. In short: words are delimited by spaces, as long as those
+ spaces are not escaped by a backslash, or inside a quoted string.
+ Single and double quotes are equivalent, and the quote characters can
+ be backslash-escaped. The backslash is stripped from any two-character
+ escape sequence, leaving only the escaped character. The quote
+ characters are stripped from any quoted string. Returns a list of
+ words.
+ """
+
+ # This is a nice algorithm for splitting up a single string, since it
+ # doesn't require character-by-character examination. It was a little
+ # bit of a brain-bender to get it working right, though...
+ if _wordchars_re is None: _init_regex()
+
+ s = s.strip()
+ words = []
+ pos = 0
+
+ while s:
+ m = _wordchars_re.match(s, pos)
+ end = m.end()
+ if end == len(s):
+ words.append(s[:end])
+ break
+
+ if s[end] in string.whitespace: # unescaped, unquoted whitespace: now
+ words.append(s[:end]) # we definitely have a word delimiter
+ s = s[end:].lstrip()
+ pos = 0
+
+ elif s[end] == '\\': # preserve whatever is being escaped;
+ # will become part of the current word
+ s = s[:end] + s[end+1:]
+ pos = end+1
+
+ else:
+ if s[end] == "'": # slurp singly-quoted string
+ m = _squote_re.match(s, end)
+ elif s[end] == '"': # slurp doubly-quoted string
+ m = _dquote_re.match(s, end)
+ else:
+ raise RuntimeError("this can't happen (bad char '%c')" % s[end])
+
+ if m is None:
+ raise ValueError("bad string (mismatched %s quotes?)" % s[end])
+
+ (beg, end) = m.span()
+ s = s[:beg] + s[beg+1:end-1] + s[end:]
+ pos = m.end() - 2
+
+ if pos >= len(s):
+ words.append(s)
+ break
+
+ return words
+
+# split_quoted ()
+
+
+def execute (func, args, msg=None, verbose=0, dry_run=0):
+ """Perform some action that affects the outside world (eg. by
+ writing to the filesystem). Such actions are special because they
+ are disabled by the 'dry_run' flag. This method takes care of all
+ that bureaucracy for you; all you have to do is supply the
+ function to call and an argument tuple for it (to embody the
+ "external action" being performed), and an optional message to
+ print.
+ """
+ if msg is None:
+ msg = "%s%r" % (func.__name__, args)
+ if msg[-2:] == ',)': # correct for singleton tuple
+ msg = msg[0:-2] + ')'
+
+ log.info(msg)
+ if not dry_run:
+ func(*args)
+
+
+def strtobool (val):
+ """Convert a string representation of truth to true (1) or false (0).
+
+ True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
+ are 'n', 'no', 'f', 'false', 'off', and '0'. Raises ValueError if
+ 'val' is anything else.
+ """
+ val = val.lower()
+ if val in ('y', 'yes', 't', 'true', 'on', '1'):
+ return 1
+ elif val in ('n', 'no', 'f', 'false', 'off', '0'):
+ return 0
+ else:
+ raise ValueError("invalid truth value %r" % (val,))
+
+
+def byte_compile (py_files,
+ optimize=0, force=0,
+ prefix=None, base_dir=None,
+ verbose=1, dry_run=0,
+ direct=None):
+ """Byte-compile a collection of Python source files to .pyc
+ files in a __pycache__ subdirectory. 'py_files' is a list
+ of files to compile; any files that don't end in ".py" are silently
+ skipped. 'optimize' must be one of the following:
+ 0 - don't optimize
+ 1 - normal optimization (like "python -O")
+ 2 - extra optimization (like "python -OO")
+ If 'force' is true, all files are recompiled regardless of
+ timestamps.
+
+ The source filename encoded in each bytecode file defaults to the
+ filenames listed in 'py_files'; you can modify these with 'prefix' and
+ 'basedir'. 'prefix' is a string that will be stripped off of each
+ source filename, and 'base_dir' is a directory name that will be
+ prepended (after 'prefix' is stripped). You can supply either or both
+ (or neither) of 'prefix' and 'base_dir', as you wish.
+
+ If 'dry_run' is true, doesn't actually do anything that would
+ affect the filesystem.
+
+ Byte-compilation is either done directly in this interpreter process
+ with the standard py_compile module, or indirectly by writing a
+ temporary script and executing it. Normally, you should let
+ 'byte_compile()' figure out to use direct compilation or not (see
+ the source for details). The 'direct' flag is used by the script
+ generated in indirect mode; unless you know what you're doing, leave
+ it set to None.
+ """
+
+ # Late import to fix a bootstrap issue: _posixsubprocess is built by
+ # setup.py, but setup.py uses distutils.
+ import subprocess
+
+ # nothing is done if sys.dont_write_bytecode is True
+ if sys.dont_write_bytecode:
+ raise DistutilsByteCompileError('byte-compiling is disabled.')
+
+ # First, if the caller didn't force us into direct or indirect mode,
+ # figure out which mode we should be in. We take a conservative
+ # approach: choose direct mode *only* if the current interpreter is
+ # in debug mode and optimize is 0. If we're not in debug mode (-O
+ # or -OO), we don't know which level of optimization this
+ # interpreter is running with, so we can't do direct
+ # byte-compilation and be certain that it's the right thing. Thus,
+ # always compile indirectly if the current interpreter is in either
+ # optimize mode, or if either optimization level was requested by
+ # the caller.
+ if direct is None:
+ direct = (__debug__ and optimize == 0)
+
+ # "Indirect" byte-compilation: write a temporary script and then
+ # run it with the appropriate flags.
+ if not direct:
+ try:
+ from tempfile import mkstemp
+ (script_fd, script_name) = mkstemp(".py")
+ except ImportError:
+ from tempfile import mktemp
+ (script_fd, script_name) = None, mktemp(".py")
+ log.info("writing byte-compilation script '%s'", script_name)
+ if not dry_run:
+ if script_fd is not None:
+ script = os.fdopen(script_fd, "w")
+ else:
+ script = open(script_name, "w")
+
+ with script:
+ script.write("""\
+from distutils.util import byte_compile
+files = [
+""")
+
+ # XXX would be nice to write absolute filenames, just for
+ # safety's sake (script should be more robust in the face of
+ # chdir'ing before running it). But this requires abspath'ing
+ # 'prefix' as well, and that breaks the hack in build_lib's
+ # 'byte_compile()' method that carefully tacks on a trailing
+ # slash (os.sep really) to make sure the prefix here is "just
+ # right". This whole prefix business is rather delicate -- the
+ # problem is that it's really a directory, but I'm treating it
+ # as a dumb string, so trailing slashes and so forth matter.
+
+ #py_files = map(os.path.abspath, py_files)
+ #if prefix:
+ # prefix = os.path.abspath(prefix)
+
+ script.write(",\n".join(map(repr, py_files)) + "]\n")
+ script.write("""
+byte_compile(files, optimize=%r, force=%r,
+ prefix=%r, base_dir=%r,
+ verbose=%r, dry_run=0,
+ direct=1)
+""" % (optimize, force, prefix, base_dir, verbose))
+
+ cmd = [sys.executable]
+ cmd.extend(subprocess._optim_args_from_interpreter_flags())
+ cmd.append(script_name)
+ spawn(cmd, dry_run=dry_run)
+ execute(os.remove, (script_name,), "removing %s" % script_name,
+ dry_run=dry_run)
+
+ # "Direct" byte-compilation: use the py_compile module to compile
+ # right here, right now. Note that the script generated in indirect
+ # mode simply calls 'byte_compile()' in direct mode, a weird sort of
+ # cross-process recursion. Hey, it works!
+ else:
+ from py_compile import compile
+
+ for file in py_files:
+ if file[-3:] != ".py":
+ # This lets us be lazy and not filter filenames in
+ # the "install_lib" command.
+ continue
+
+ # Terminology from the py_compile module:
+ # cfile - byte-compiled file
+ # dfile - purported source filename (same as 'file' by default)
+ if optimize >= 0:
+ opt = '' if optimize == 0 else optimize
+ cfile = importlib.util.cache_from_source(
+ file, optimization=opt)
+ else:
+ cfile = importlib.util.cache_from_source(file)
+ dfile = file
+ if prefix:
+ if file[:len(prefix)] != prefix:
+ raise ValueError("invalid prefix: filename %r doesn't start with %r"
+ % (file, prefix))
+ dfile = dfile[len(prefix):]
+ if base_dir:
+ dfile = os.path.join(base_dir, dfile)
+
+ cfile_base = os.path.basename(cfile)
+ if direct:
+ if force or newer(file, cfile):
+ log.info("byte-compiling %s to %s", file, cfile_base)
+ if not dry_run:
+ compile(file, cfile, dfile)
+ else:
+ log.debug("skipping byte-compilation of %s to %s",
+ file, cfile_base)
+
+# byte_compile ()
+
+def rfc822_escape (header):
+ """Return a version of the string escaped for inclusion in an
+ RFC-822 header, by ensuring there are 8 spaces space after each newline.
+ """
+ lines = header.split('\n')
+ sep = '\n' + 8 * ' '
+ return sep.join(lines)
+
+# 2to3 support
+
+def run_2to3(files, fixer_names=None, options=None, explicit=None):
+ """Invoke 2to3 on a list of Python files.
+ The files should all come from the build area, as the
+ modification is done in-place. To reduce the build time,
+ only files modified since the last invocation of this
+ function should be passed in the files argument."""
+
+ if not files:
+ return
+
+ # Make this class local, to delay import of 2to3
+ from lib2to3.refactor import RefactoringTool, get_fixers_from_package
+ class DistutilsRefactoringTool(RefactoringTool):
+ def log_error(self, msg, *args, **kw):
+ log.error(msg, *args)
+
+ def log_message(self, msg, *args):
+ log.info(msg, *args)
+
+ def log_debug(self, msg, *args):
+ log.debug(msg, *args)
+
+ if fixer_names is None:
+ fixer_names = get_fixers_from_package('lib2to3.fixes')
+ r = DistutilsRefactoringTool(fixer_names, options=options)
+ r.refactor(files, write=True)
+
+def copydir_run_2to3(src, dest, template=None, fixer_names=None,
+ options=None, explicit=None):
+ """Recursively copy a directory, only copying new and changed files,
+ running run_2to3 over all newly copied Python modules afterward.
+
+ If you give a template string, it's parsed like a MANIFEST.in.
+ """
+ from distutils.dir_util import mkpath
+ from distutils.file_util import copy_file
+ from distutils.filelist import FileList
+ filelist = FileList()
+ curdir = os.getcwd()
+ os.chdir(src)
+ try:
+ filelist.findall()
+ finally:
+ os.chdir(curdir)
+ filelist.files[:] = filelist.allfiles
+ if template:
+ for line in template.splitlines():
+ line = line.strip()
+ if not line: continue
+ filelist.process_template_line(line)
+ copied = []
+ for filename in filelist.files:
+ outname = os.path.join(dest, filename)
+ mkpath(os.path.dirname(outname))
+ res = copy_file(os.path.join(src, filename), outname, update=1)
+ if res[1]: copied.append(outname)
+ run_2to3([fn for fn in copied if fn.lower().endswith('.py')],
+ fixer_names=fixer_names, options=options, explicit=explicit)
+ return copied
+
+class Mixin2to3:
+ '''Mixin class for commands that run 2to3.
+ To configure 2to3, setup scripts may either change
+ the class variables, or inherit from individual commands
+ to override how 2to3 is invoked.'''
+
+ # provide list of fixers to run;
+ # defaults to all from lib2to3.fixers
+ fixer_names = None
+
+ # options dictionary
+ options = None
+
+ # list of fixers to invoke even though they are marked as explicit
+ explicit = None
+
+ def run_2to3(self, files):
+ return run_2to3(files, self.fixer_names, self.options, self.explicit)