Re: [PATCH] warn about use of uninstalled kernel headers

[Arnd Bergmann]

On Tuesday 22 September 2009, Sam Ravnborg wrote:
> > +#ifndef __EXPORTED_HEADERS__
> But why do we need this "__EXPORTED_HEADERS__" thing?
> 
> ?

The problem is that the warning should only be for headers
that are not installed yet, but it needs to be stripped
in the installed version. Since we're already postprocessing
all files with unifdef, that seemed like the easiest way 
to strip out the #warning. Obviously, I couldn't use the
#ifdef __KERNEL__ logic, because that would either warn
give false positives when building kernel code or when
building user code from installed headers.

	Arnd <><
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