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Diffstat (limited to 'engine/SCons/Platform/win32.py')
| -rw-r--r-- | engine/SCons/Platform/win32.py | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/engine/SCons/Platform/win32.py b/engine/SCons/Platform/win32.py new file mode 100644 index 0000000..2416802 --- /dev/null +++ b/engine/SCons/Platform/win32.py @@ -0,0 +1,415 @@ +"""SCons.Platform.win32 + +Platform-specific initialization for Win32 systems. + +There normally shouldn't be any need to import this module directly. It +will usually be imported through the generic SCons.Platform.Platform() +selection method. +""" + +# +# Copyright (c) 2001 - 2014 The SCons Foundation +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + +__revision__ = "src/engine/SCons/Platform/win32.py 2014/09/27 12:51:43 garyo" + +import os +import os.path +import sys +import tempfile + +from SCons.Platform.posix import exitvalmap +from SCons.Platform import TempFileMunge +import SCons.Util + +try: + import msvcrt + import win32api + import win32con + + msvcrt.get_osfhandle + win32api.SetHandleInformation + win32con.HANDLE_FLAG_INHERIT +except ImportError: + parallel_msg = \ + "you do not seem to have the pywin32 extensions installed;\n" + \ + "\tparallel (-j) builds may not work reliably with open Python files." +except AttributeError: + parallel_msg = \ + "your pywin32 extensions do not support file handle operations;\n" + \ + "\tparallel (-j) builds may not work reliably with open Python files." +else: + parallel_msg = None + + import builtins + + _builtin_file = builtins.file + _builtin_open = builtins.open + + class _scons_file(_builtin_file): + def __init__(self, *args, **kw): + _builtin_file.__init__(self, *args, **kw) + win32api.SetHandleInformation(msvcrt.get_osfhandle(self.fileno()), + win32con.HANDLE_FLAG_INHERIT, 0) + + def _scons_open(*args, **kw): + fp = _builtin_open(*args, **kw) + win32api.SetHandleInformation(msvcrt.get_osfhandle(fp.fileno()), + win32con.HANDLE_FLAG_INHERIT, + 0) + return fp + + builtins.file = _scons_file + builtins.open = _scons_open + +try: + import threading + spawn_lock = threading.Lock() + + # This locked version of spawnve works around a Windows + # MSVCRT bug, because its spawnve is not thread-safe. + # Without this, python can randomly crash while using -jN. + # See the python bug at http://bugs.python.org/issue6476 + # and SCons issue at + # http://scons.tigris.org/issues/show_bug.cgi?id=2449 + def spawnve(mode, file, args, env): + spawn_lock.acquire() + try: + if mode == os.P_WAIT: + ret = os.spawnve(os.P_NOWAIT, file, args, env) + else: + ret = os.spawnve(mode, file, args, env) + finally: + spawn_lock.release() + if mode == os.P_WAIT: + pid, status = os.waitpid(ret, 0) + ret = status >> 8 + return ret +except ImportError: + # Use the unsafe method of spawnve. + # Please, don't try to optimize this try-except block + # away by assuming that the threading module is always present. + # In the test test/option-j.py we intentionally call SCons with + # a fake threading.py that raises an import exception right away, + # simulating a non-existent package. + def spawnve(mode, file, args, env): + return os.spawnve(mode, file, args, env) + +# The upshot of all this is that, if you are using Python 1.5.2, +# you had better have cmd or command.com in your PATH when you run +# scons. + +def piped_spawn(sh, escape, cmd, args, env, stdout, stderr): + # There is no direct way to do that in python. What we do + # here should work for most cases: + # In case stdout (stderr) is not redirected to a file, + # we redirect it into a temporary file tmpFileStdout + # (tmpFileStderr) and copy the contents of this file + # to stdout (stderr) given in the argument + if not sh: + sys.stderr.write("scons: Could not find command interpreter, is it in your PATH?\n") + return 127 + else: + # one temporary file for stdout and stderr + tmpFileStdout = os.path.normpath(tempfile.mktemp()) + tmpFileStderr = os.path.normpath(tempfile.mktemp()) + + # check if output is redirected + stdoutRedirected = 0 + stderrRedirected = 0 + for arg in args: + # are there more possibilities to redirect stdout ? + if (arg.find( ">", 0, 1 ) != -1 or + arg.find( "1>", 0, 2 ) != -1): + stdoutRedirected = 1 + # are there more possibilities to redirect stderr ? + if arg.find( "2>", 0, 2 ) != -1: + stderrRedirected = 1 + + # redirect output of non-redirected streams to our tempfiles + if stdoutRedirected == 0: + args.append(">" + str(tmpFileStdout)) + if stderrRedirected == 0: + args.append("2>" + str(tmpFileStderr)) + + # actually do the spawn + try: + args = [sh, '/C', escape(' '.join(args)) ] + ret = spawnve(os.P_WAIT, sh, args, env) + except OSError, e: + # catch any error + try: + ret = exitvalmap[e[0]] + except KeyError: + sys.stderr.write("scons: unknown OSError exception code %d - %s: %s\n" % (e[0], cmd, e[1])) + if stderr is not None: + stderr.write("scons: %s: %s\n" % (cmd, e[1])) + # copy child output from tempfiles to our streams + # and do clean up stuff + if stdout is not None and stdoutRedirected == 0: + try: + stdout.write(open( tmpFileStdout, "r" ).read()) + os.remove( tmpFileStdout ) + except (IOError, OSError): + pass + + if stderr is not None and stderrRedirected == 0: + try: + stderr.write(open( tmpFileStderr, "r" ).read()) + os.remove( tmpFileStderr ) + except (IOError, OSError): + pass + return ret + +def exec_spawn(l, env): + try: + result = spawnve(os.P_WAIT, l[0], l, env) + except OSError, e: + try: + result = exitvalmap[e[0]] + sys.stderr.write("scons: %s: %s\n" % (l[0], e[1])) + except KeyError: + result = 127 + if len(l) > 2: + if len(l[2]) < 1000: + command = ' '.join(l[0:3]) + else: + command = l[0] + else: + command = l[0] + sys.stderr.write("scons: unknown OSError exception code %d - '%s': %s\n" % (e[0], command, e[1])) + return result + +def spawn(sh, escape, cmd, args, env): + if not sh: + sys.stderr.write("scons: Could not find command interpreter, is it in your PATH?\n") + return 127 + return exec_spawn([sh, '/C', escape(' '.join(args))], env) + +# Windows does not allow special characters in file names anyway, so no +# need for a complex escape function, we will just quote the arg, except +# that "cmd /c" requires that if an argument ends with a backslash it +# needs to be escaped so as not to interfere with closing double quote +# that we add. +def escape(x): + if x[-1] == '\\': + x = x + '\\' + return '"' + x + '"' + +# Get the windows system directory name +_system_root = None + +def get_system_root(): + global _system_root + if _system_root is not None: + return _system_root + + # A resonable default if we can't read the registry + val = os.environ.get('SystemRoot', "C:\\WINDOWS") + + if SCons.Util.can_read_reg: + try: + # Look for Windows NT system root + k=SCons.Util.RegOpenKeyEx(SCons.Util.hkey_mod.HKEY_LOCAL_MACHINE, + 'Software\\Microsoft\\Windows NT\\CurrentVersion') + val, tok = SCons.Util.RegQueryValueEx(k, 'SystemRoot') + except SCons.Util.RegError: + try: + # Okay, try the Windows 9x system root + k=SCons.Util.RegOpenKeyEx(SCons.Util.hkey_mod.HKEY_LOCAL_MACHINE, + 'Software\\Microsoft\\Windows\\CurrentVersion') + val, tok = SCons.Util.RegQueryValueEx(k, 'SystemRoot') + except KeyboardInterrupt: + raise + except: + pass + _system_root = val + return val + +# Get the location of the program files directory +def get_program_files_dir(): + # Now see if we can look in the registry... + val = '' + if SCons.Util.can_read_reg: + try: + # Look for Windows Program Files directory + k=SCons.Util.RegOpenKeyEx(SCons.Util.hkey_mod.HKEY_LOCAL_MACHINE, + 'Software\\Microsoft\\Windows\\CurrentVersion') + val, tok = SCons.Util.RegQueryValueEx(k, 'ProgramFilesDir') + except SCons.Util.RegError: + val = '' + pass + + if val == '': + # A reasonable default if we can't read the registry + # (Actually, it's pretty reasonable even if we can :-) + val = os.path.join(os.path.dirname(get_system_root()),"Program Files") + + return val + + + +# Determine which windows CPU were running on. +class ArchDefinition(object): + """ + A class for defining architecture-specific settings and logic. + """ + def __init__(self, arch, synonyms=[]): + self.arch = arch + self.synonyms = synonyms + +SupportedArchitectureList = [ + ArchDefinition( + 'x86', + ['i386', 'i486', 'i586', 'i686'], + ), + + ArchDefinition( + 'x86_64', + ['AMD64', 'amd64', 'em64t', 'EM64T', 'x86_64'], + ), + + ArchDefinition( + 'ia64', + ['IA64'], + ), +] + +SupportedArchitectureMap = {} +for a in SupportedArchitectureList: + SupportedArchitectureMap[a.arch] = a + for s in a.synonyms: + SupportedArchitectureMap[s] = a + +def get_architecture(arch=None): + """Returns the definition for the specified architecture string. + + If no string is specified, the system default is returned (as defined + by the PROCESSOR_ARCHITEW6432 or PROCESSOR_ARCHITECTURE environment + variables). + """ + if arch is None: + arch = os.environ.get('PROCESSOR_ARCHITEW6432') + if not arch: + arch = os.environ.get('PROCESSOR_ARCHITECTURE') + return SupportedArchitectureMap.get(arch, ArchDefinition('', [''])) + +def generate(env): + # Attempt to find cmd.exe (for WinNT/2k/XP) or + # command.com for Win9x + cmd_interp = '' + # First see if we can look in the registry... + if SCons.Util.can_read_reg: + try: + # Look for Windows NT system root + k=SCons.Util.RegOpenKeyEx(SCons.Util.hkey_mod.HKEY_LOCAL_MACHINE, + 'Software\\Microsoft\\Windows NT\\CurrentVersion') + val, tok = SCons.Util.RegQueryValueEx(k, 'SystemRoot') + cmd_interp = os.path.join(val, 'System32\\cmd.exe') + except SCons.Util.RegError: + try: + # Okay, try the Windows 9x system root + k=SCons.Util.RegOpenKeyEx(SCons.Util.hkey_mod.HKEY_LOCAL_MACHINE, + 'Software\\Microsoft\\Windows\\CurrentVersion') + val, tok = SCons.Util.RegQueryValueEx(k, 'SystemRoot') + cmd_interp = os.path.join(val, 'command.com') + except KeyboardInterrupt: + raise + except: + pass + + # For the special case of not having access to the registry, we + # use a temporary path and pathext to attempt to find the command + # interpreter. If we fail, we try to find the interpreter through + # the env's PATH. The problem with that is that it might not + # contain an ENV and a PATH. + if not cmd_interp: + systemroot = get_system_root() + tmp_path = systemroot + os.pathsep + \ + os.path.join(systemroot,'System32') + tmp_pathext = '.com;.exe;.bat;.cmd' + if 'PATHEXT' in os.environ: + tmp_pathext = os.environ['PATHEXT'] + cmd_interp = SCons.Util.WhereIs('cmd', tmp_path, tmp_pathext) + if not cmd_interp: + cmd_interp = SCons.Util.WhereIs('command', tmp_path, tmp_pathext) + + if not cmd_interp: + cmd_interp = env.Detect('cmd') + if not cmd_interp: + cmd_interp = env.Detect('command') + + + if 'ENV' not in env: + env['ENV'] = {} + + # Import things from the external environment to the construction + # environment's ENV. This is a potential slippery slope, because we + # *don't* want to make builds dependent on the user's environment by + # default. We're doing this for SystemRoot, though, because it's + # needed for anything that uses sockets, and seldom changes, and + # for SystemDrive because it's related. + # + # Weigh the impact carefully before adding other variables to this list. + import_env = [ 'SystemDrive', 'SystemRoot', 'TEMP', 'TMP' ] + for var in import_env: + v = os.environ.get(var) + if v: + env['ENV'][var] = v + + if 'COMSPEC' not in env['ENV']: + v = os.environ.get("COMSPEC") + if v: + env['ENV']['COMSPEC'] = v + + env.AppendENVPath('PATH', get_system_root() + '\System32') + + env['ENV']['PATHEXT'] = '.COM;.EXE;.BAT;.CMD' + env['OBJPREFIX'] = '' + env['OBJSUFFIX'] = '.obj' + env['SHOBJPREFIX'] = '$OBJPREFIX' + env['SHOBJSUFFIX'] = '$OBJSUFFIX' + env['PROGPREFIX'] = '' + env['PROGSUFFIX'] = '.exe' + env['LIBPREFIX'] = '' + env['LIBSUFFIX'] = '.lib' + env['SHLIBPREFIX'] = '' + env['SHLIBSUFFIX'] = '.dll' + env['LIBPREFIXES'] = [ '$LIBPREFIX' ] + env['LIBSUFFIXES'] = [ '$LIBSUFFIX' ] + env['PSPAWN'] = piped_spawn + env['SPAWN'] = spawn + env['SHELL'] = cmd_interp + env['TEMPFILE'] = TempFileMunge + env['TEMPFILEPREFIX'] = '@' + env['MAXLINELENGTH'] = 2048 + env['ESCAPE'] = escape + + env['HOST_OS'] = 'win32' + env['HOST_ARCH'] = get_architecture().arch + + +# Local Variables: +# tab-width:4 +# indent-tabs-mode:nil +# End: +# vim: set expandtab tabstop=4 shiftwidth=4: |