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Unified Diff: scons-2.0.1/engine/SCons/Platform/win32.py

Issue 6711079: Added an unmodified copy of SCons to third_party. (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/third_party/
Patch Set: '' Created 9 years, 9 months ago
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Index: scons-2.0.1/engine/SCons/Platform/win32.py
===================================================================
--- scons-2.0.1/engine/SCons/Platform/win32.py (revision 0)
+++ scons-2.0.1/engine/SCons/Platform/win32.py (revision 0)
@@ -0,0 +1,385 @@
+"""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, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 5134 2010/08/16 23:02:40 bdeegan"
+
+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
+
+ def _scons_file(*args, **kw):
+ fp = _builtin_file(*args, **kw)
+ win32api.SetHandleInformation(msvcrt.get_osfhandle(fp.fileno()),
+ win32con.HANDLE_FLAG_INHERIT,
+ 0)
+ return fp
+
+ 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
+
+
+
+# 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 = os.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 = os.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:
Property changes on: scons-2.0.1/engine/SCons/Platform/win32.py
___________________________________________________________________
Added: svn:eol-style
+ LF
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