scons is a #&$*

[rokr424]

im trying to compile dolpin for mac. im running 10.5.7 with xcode 3.1.3 (gcc 4.2) i have scons 1.2 and every time i run it, i get this:

Quote: $ scons
scons: Reading SConscript files ...
EnvironmentError: No module named _md5:
File "/Users/Chaos/dolphin-emu-read-only/SConstruct", line 13:
EnsureSConsVersion(1, 2)
File "/opt/local/lib/scons-1.2.0/SCons/Script/SConscript.py", line 610:
env = self.factory()
File "/opt/local/lib/scons-1.2.0/SCons/Script/SConscript.py", line 590:
default_env = SCons.Defaults.DefaultEnvironment()
File "/opt/local/lib/scons-1.2.0/SCons/Defaults.py", line 90:
_default_env = apply(SCons.Environment.Environment, args, kw)
File "/opt/local/lib/scons-1.2.0/SCons/Environment.py", line 992:
apply_tools(self, tools, toolpath)
File "/opt/local/lib/scons-1.2.0/SCons/Environment.py", line 106:
env.Tool(tool)
File "/opt/local/lib/scons-1.2.0/SCons/Environment.py", line 1676:
tool(self)
File "/opt/local/lib/scons-1.2.0/SCons/Tool/__init__.py", line 181:
apply(self.generate, ( env, ) + args, kw)
File "/opt/local/lib/scons-1.2.0/SCons/Tool/default.py", line 40:
for t in SCons.Tool.tool_list(env['PLATFORM'], env):
File "/opt/local/lib/scons-1.2.0/SCons/Tool/__init__.py", line 661:
env)
File "/opt/local/lib/scons-1.2.0/SCons/Tool/__init__.py", line 549:
return filter (ToolExists, tools)
File "/opt/local/lib/scons-1.2.0/SCons/Tool/__init__.py", line 548:
return Tool(tool).exists(env)
File "/opt/local/lib/scons-1.2.0/SCons/Tool/__init__.py", line 95:
module = self._tool_module()
File "/opt/local/lib/scons-1.2.0/SCons/Tool/__init__.py", line 146:
raise SCons.Errors.EnvironmentError, e

i have no idea what that means. i've never used scons before and it didnt say it worked or not. any help would be very much appreciated.