> Why such a complex patch? and why generate the .d's as a separate 
   > action
   > to compiling the .o's ?  Ie. what's wrong with simply adding -MD
   > to CFLAGS/CPPFLAGS ?
   
   Userland build generate .d files as a separate pass, right (as part of 
   the "depend" pass)?  Seems like the kernel build should do it the same 
   way for consistency.


didn't we already decide to go for "generate dependancies on the fly"
already?  it just hasn't been done yet...


.mrg.