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SubjectRe: [PATCH] headerdep: a tool for detecting inclusion cycles in header file
On Sat, 26 Apr 2008, Adrian Bunk wrote:

> On Sat, Apr 26, 2008 at 03:45:54PM +0200, Vegard Nossum wrote:
> > Hi Sam,
> >
> > Maybe something like this could be useful for cleaning up headers (and
> > maintaining that cleanliness once it has been achieved). What do you think?
> >
> > (One thing which might or might not be good is that 'make headerdep' will
> > also compile using CC if they're not already compiled. If this should be
> > fixed, I think you'd know how to do it.)
>
> This way you only catch problems in the current kernel configuration.
>
> The only problems are under include/, and you should be able to do this
> by parsing all headers and without hooking into the build system.

I guess one would still have to consider all of the possible permutations
of values of configuration variables, to interpret the #ifdefs that have
an impact on what is included? A quick grep suggests that they are mostly
related to __KERNEL__, so perhaps it would not be too expensive to do.

julia



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