added todo and studff to test in app for tempdir detection

app/node_modules/mongodb/external-libs/bson/wscript

@@ -0,0 +1,39 @@
+import Options
+from os import unlink, symlink, popen
+from os.path import exists 
+
+srcdir = "."
+blddir = "build"
+VERSION = "0.1.0"
+
+def set_options(opt):
+  opt.tool_options("compiler_cxx")
+  opt.add_option( '--debug'
+                , action='store_true'
+                , default=False
+                , help='Build debug variant [Default: False]'
+                , dest='debug'
+                )  
+
+def configure(conf):
+  conf.check_tool("compiler_cxx")
+  conf.check_tool("node_addon")
+  conf.env.append_value('CXXFLAGS', ['-O3', '-funroll-loops'])
+
+  # conf.env.append_value('CXXFLAGS', ['-DDEBUG', '-g', '-O0', '-Wall', '-Wextra'])
+  # conf.check(lib='node', libpath=['/usr/lib', '/usr/local/lib'], uselib_store='NODE')
+
+def build(bld):
+  obj = bld.new_task_gen("cxx", "shlib", "node_addon")
+  obj.target = "bson"
+  obj.source = ["bson.cc"]
+  # obj.uselib = "NODE"
+
+def shutdown():
+  # HACK to get compress.node out of build directory.
+  # better way to do this?
+  if Options.commands['clean']:
+    if exists('bson.node'): unlink('bson.node')
+  else:
+    if exists('build/default/bson.node') and not exists('bson.node'):
+      symlink('build/default/bson.node', 'bson.node')