The #ifdef ... #include or #if defined ... #include problem is back with New builds available for 20110813.
The [color=#0000FF]int dummy;[/color] work-around no longer works. :(
Although this is a long standing bug in the Arduino pre-processor, is there a way to fix it for next 1.0 release?
Full thread at http://www.chipkit.org/forum/viewtopic.php?f=6&t=294&