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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.


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