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"""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__
#
# 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__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import os
import os.path
import string
import sys
import tempfile
from SCons.Platform.posix import exitvalmap
import SCons.Util
class TempFileMunge:
"""A callable class. You can set an Environment variable to this,
then call it with a string argument, then it will perform temporary
file substitution on it. This is used to circumvent the win32 long command
line limitation.
Example usage:
env["TEMPFILE"] = TempFileMunge
env["LINKCOM"] = "${TEMPFILE('$LINK $TARGET $SOURCES')}"
"""
def __init__(self, cmd):
self.cmd = cmd
def __call__(self, target, source, env, for_signature):
cmd = env.subst_list(self.cmd, 0, target, source)[0]
if for_signature or \
(reduce(lambda x, y: x + len(y), cmd, 0) + len(cmd)) <= 2048:
return self.cmd
else:
# In Cygwin, we want to use rm to delete the temporary file,
# because del does not exist in the sh shell.
rm = env.Detect('rm') or 'del'
# We do a normpath because mktemp() has what appears to be
# a bug in Win32 that will use a forward slash as a path
# delimiter. Win32's link mistakes that for a command line
# switch and barfs.
#
# We use the .lnk suffix for the benefit of the Phar Lap
# linkloc linker, which likes to append an .lnk suffix if
# none is given.
tmp = os.path.normpath(tempfile.mktemp('.lnk'))
native_tmp = SCons.Util.get_native_path(tmp)
# The sh shell will try to escape the backslashes in the
# path, so unescape them.
if env['SHELL'] and env['SHELL'] == 'sh':
native_tmp = string.replace(native_tmp, '\\', r'\\\\')
args = map(SCons.Util.quote_spaces, cmd[1:])
open(tmp, 'w').write(string.join(args, " ") + "\n")
return [ cmd[0], '@' + native_tmp + '\n' + rm, native_tmp ]
# 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 (string.find( arg, ">", 0, 1 ) != -1 or
string.find( arg, "1>", 0, 2 ) != -1):
stdoutRedirected = 1
# are there more possibilities to redirect stderr ?
if string.find( arg, "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(string.join(args)) ]
ret = os.spawnve(os.P_WAIT, sh, args, env)
except OSError, e:
# catch any error
ret = exitvalmap[e[0]]
if stderr != 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 != None and stdoutRedirected == 0:
try:
stdout.write(open( tmpFileStdout, "r" ).read())
os.remove( tmpFileStdout )
except:
pass
if stderr != None and stderrRedirected == 0:
try:
stderr.write(open( tmpFileStderr, "r" ).read())
os.remove( tmpFileStderr )
except:
pass
return ret
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
else:
try:
args = [sh, '/C', escape(string.join(args)) ]
ret = os.spawnve(os.P_WAIT, sh, args, env)
except OSError, e:
ret = exitvalmap[e[0]]
sys.stderr.write("scons: %s: %s\n" % (cmd, e[1]))
return ret
# Windows does not allow special characters in file names
# anyway, so no need for an escape function, we will just quote
# the arg.
escape = lambda x: '"' + x + '"'
# Get the windows system directory name
def get_system_root():
# A resonable default if we can't read the registry
try:
val = os.environ['SYSTEMROOT']
except:
val = "C:/WINDOWS"
pass
# 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')
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:
pass
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
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:
pass
if not cmd_interp:
cmd_interp = env.Detect('cmd')
if not cmd_interp:
cmd_interp = env.Detect('command')
if not env.has_key('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. Weigh
# the impact carefully before adding other variables to this list.
import_env = [ 'SYSTEMROOT' ]
for var in import_env:
v = os.environ.get(var)
if v:
env['ENV'][var] = v
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', '$SHLIBPREFIX' ]
env['LIBSUFFIXES'] = [ '$LIBSUFFIX', '$SHLIBSUFFIX' ]
env['PSPAWN'] = piped_spawn
env['SPAWN'] = spawn
env['SHELL'] = cmd_interp
env['TEMPFILE'] = TempFileMunge
env['ESCAPE'] = escape
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