> For older kernels you must set O_TARGET, for 2.5 I think the mere act of
> setting it causes the build to break -- that one is gratuitously making it
> harder to make external modules which compile in both and I've complained
> about it before.
Okay, I might get persuaded to take that check out if it really makes life
harder. Wouldn't it work to not have O_TARGET in the Makefile at all, I
think 2.4 shouldn't care as long as you just "make modules"?
> Per-file CFLAGS must have a full path specified now in 2.5, whereas in 2.4
> and earlier it was just 'CFLAGS_filename.o'.
It shouldn't, I kinda deliberately decided to keep the old syntax for
this. So it would be a bug.
--Kai
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