looking for help porting to powerpc

I'm looking for someone who can help get firefox up and running 
on a powerpc machine.  I've cross compiled it for the powerpc but 
get only errors when it's starting.

*** Registering nsPermissionsModule components (all right -- a generic module!)
*** Registering nsBrowserCompsModule components (all right -- a generic module!)
nsNativeComponentLoader: autoregistering succeeded
WARNING: NS_ENSURE_TRUE(NS_SUCCEEDED(rv)) failed, file ../../../../mozilla/toolkit/profile/src/nsINIParser.cpp, line 66
WARNING: NS_ENSURE_TRUE(NS_SUCCEEDED(rv)) failed, file ../../../../mozilla/toolkit/profile/src/nsINIParser.cpp, line 66
JS Component Loader: ERROR (null):0
uncaught exception: null
###!!! ASSERTION: XPTC_InvokeByIndex called on unsupported platform: '0', file ../../../../../../../mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_unsupported.cpp, line 46


Then eventually fails when creating the extension manager

++DOMWINDOW == 1
WARNING: NS_ENSURE_TRUE(em) failed, file ../../../mozilla/toolkit/xre/nsAppRunner.cpp, line 1802
###!!! ASSERTION: Failed to create nsICloseAllWindows impl.: 'closer', file ../../../../../mozilla/toolkit/components/startup/src/nsAppStartup.cpp, line 487
Break: at file ../../../../../mozilla/toolkit/components/startup/src/nsAppStartup.cpp, line 487
###!!! ASSERTION: Can't veto change!: 'Error', file ../../../mozilla/toolkit/xre/nsXREDirProvider.cpp, line 506
Break: at file ../../../mozilla/toolkit/xre/nsXREDirProvider.cpp, line 506