Re: [GIT] kbuild

[Al Viro]

On Mon, Apr 20, 2009 at 06:45:51AM +0200, Sam Ravnborg wrote:

> For kernel proper the use of -idirafter would be confusing.
> But for um alone we should be safe provided it is properly commented.

Less than for all um - it's only for USER_OBJ there.  It is special,
simply because for uml the counterpart of really low-level glue has
to talk to libc.  So there we have separation into "normal kernel source"
and "userland code that uses userland headers, calls libc functions, etc."
 
> I have already fixed um the obvious way for asm-offsets in my local tree.
> But if you prefer I can add a -dirafter based patch before the "move
> asm-offsets.h to incldue/generated" patch.

I've dumped several header cleanup patches for uml into
git://git.kernel.org/pub/scm/linux/kernel/git/viro/um-header.git/ 
including the -idirafter, move of user_constants.h, etc.
Another fun thing: user.h used to be included directly by just about
every userland-side file.  Switched it to -include user.h (for USER_CFLAGS,
of course - not for normal stuff), killed includes, got rid of shitloads
of kern_constants.h includes at the same time.  At which point getting
rid of kern_constants.h became trivial.

Up to Jeff's approval, obviously - *including* -idirafter patch.
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