AttributeError: 'list' object has no attribute 'startswith':
  File "/home/user/mongodb/mongo/SConstruct", line 3150:
    variant_dir='$BUILD_DIR',
  File "/usr/local/lib/scons-2.5.1/SCons/Script/SConscript.py", line 541:
    return _SConscript(self.fs, *files, **subst_kw)
  File "/usr/local/lib/scons-2.5.1/SCons/Script/SConscript.py", line 250:
    exec _file_ in call_stack[-1].globals
  File "/home/user/mongodb/mongo/src/SConscript", line 24:
    env.SConscript('mongo/SConscript', exports=['env'])
  File "/usr/local/lib/scons-2.5.1/SCons/Script/SConscript.py", line 541:
    return _SConscript(self.fs, *files, **subst_kw)
  File "/usr/local/lib/scons-2.5.1/SCons/Script/SConscript.py", line 250:
    exec _file_ in call_stack[-1].globals
  File "/home/user/mongodb/mongo/src/mongo/SConscript", line 44:
    'env',
  File "/usr/local/lib/scons-2.5.1/SCons/Script/SConscript.py", line 541:
    return _SConscript(self.fs, *files, **subst_kw)
  File "/usr/local/lib/scons-2.5.1/SCons/Script/SConscript.py", line 250:
    exec _file_ in call_stack[-1].globals
  File "/home/user/mongodb/mongo/src/mongo/db/SConscript", line 866:
    "views/views_mongod",
  File "/usr/local/lib/scons-2.5.1/SCons/Environment.py", line 260:
    return MethodWrapper.__call__(self, target, source, *args, **kw)
  File "/usr/local/lib/scons-2.5.1/SCons/Environment.py", line 224:
    return self.method(*nargs, **kwargs)
  File "/usr/local/lib/scons-2.5.1/SCons/Builder.py", line 626:
    return self._execute(env, target, source, OverrideWarner(kw), ekw)
  File "/usr/local/lib/scons-2.5.1/SCons/Builder.py", line 547:
    tlist, slist = self._create_nodes(env, target, source)
  File "/usr/local/lib/scons-2.5.1/SCons/Builder.py", line 511:
    target, source = self.emitter(target=tlist, source=slist, env=env)
  File "/usr/local/lib/scons-2.5.1/SCons/Builder.py", line 205:
    target, source = e(target, source, env)
  File "/usr/local/lib/scons-2.5.1/SCons/Builder.py", line 339:
    target, source = emitter(target, source, env)
  File "/home/user/mongodb/mongo/site_scons/libdeps.py", line 253:
    prereq.target_node, lib_builder.get_prefix(env), lib_builder.get_suffix(env))
  File "/usr/local/lib/scons-2.5.1/SCons/Util.py", line 1063:
    path, fn = os.path.split(os.path.normpath(fname))
  File "/usr/lib/python2.7/posixpath.py", line 335:
    initial_slashes = path.startswith('/')