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"""mslib_sa
Tool-specific initialization for lib (MicroSoft library archiver).
Based on SCons.Tool.mslib, without the MSVC detection.
"""
#
# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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.
#
import os
import tempfile
import string
import SCons.Defaults
import SCons.Tool
import SCons.Util
import SCons.Errors
class TempFileMunge:
"""Same as SCons.Platform.TempFileMunge, but preserves LINK /LIB
together."""
def __init__(self, cmd):
self.cmd = cmd
def __call__(self, target, source, env, for_signature):
if for_signature:
return self.cmd
cmd = env.subst_list(self.cmd, 0, target, source)[0]
try:
maxline = int(env.subst('$MAXLINELENGTH'))
except ValueError:
maxline = 2048
if (reduce(lambda x, y: x + len(y), cmd, 0) + len(cmd)) <= maxline:
return self.cmd
# We do a normpath because mktemp() has what appears to be
# a bug in Windows that will use a forward slash as a path
# delimiter. Windows's link mistakes that for a command line
# switch and barfs.
#
# We use the .lnk suffix for the benefit of the Phar Lap
# linkloc linker, which likes to append an .lnk suffix if
# none is given.
tmp = os.path.normpath(tempfile.mktemp('.lnk'))
native_tmp = SCons.Util.get_native_path(tmp)
if env['SHELL'] and env['SHELL'] == 'sh':
# The sh shell will try to escape the backslashes in the
# path, so unescape them.
native_tmp = string.replace(native_tmp, '\\', r'\\\\')
# In Cygwin, we want to use rm to delete the temporary
# file, because del does not exist in the sh shell.
rm = env.Detect('rm') or 'del'
else:
# Don't use 'rm' if the shell is not sh, because rm won't
# work with the Windows shells (cmd.exe or command.com) or
# Windows path names.
rm = 'del'
prefix = env.subst('$TEMPFILEPREFIX')
if not prefix:
prefix = '@'
if cmd[0:2] == ['link', '/lib']:
split = 2
else:
split = 1
args = map(SCons.Subst.quote_spaces, cmd[split:])
open(tmp, 'w').write(string.join(args, " ") + "\n")
# XXX Using the SCons.Action.print_actions value directly
# like this is bogus, but expedient. This class should
# really be rewritten as an Action that defines the
# __call__() and strfunction() methods and lets the
# normal action-execution logic handle whether or not to
# print/execute the action. The problem, though, is all
# of that is decided before we execute this method as
# part of expanding the $TEMPFILE construction variable.
# Consequently, refactoring this will have to wait until
# we get more flexible with allowing Actions to exist
# independently and get strung together arbitrarily like
# Ant tasks. In the meantime, it's going to be more
# user-friendly to not let obsession with architectural
# purity get in the way of just being helpful, so we'll
# reach into SCons.Action directly.
if SCons.Action.print_actions:
print("Using tempfile "+native_tmp+" for command line:\n"+
" ".join(map(str,cmd)))
return cmd[:split] + [ prefix + native_tmp + '\n' + rm, native_tmp ]
def generate(env):
"""Add Builders and construction variables for lib to an Environment."""
SCons.Tool.createStaticLibBuilder(env)
if env.Detect('lib'):
env['AR'] = 'lib'
elif env.Detect('link'):
# Recent WINDDK versions do not ship with lib.
env['AR'] = 'link /lib'
env['TEMPFILE'] = TempFileMunge
else:
raise SCons.Errors.InternalError, "lib and link not found"
env['ARFLAGS'] = SCons.Util.CLVar('/nologo')
env['ARCOM'] = "${TEMPFILE('$AR $ARFLAGS /OUT:$TARGET $SOURCES')}"
env['LIBPREFIX'] = ''
env['LIBSUFFIX'] = '.lib'
def exists(env):
return env.Detect('lib') or env.Detect('link')
# vim:set ts=4 sw=4 et:
|
