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    SubjectRe: Linux 2.6.0-test6
    On Mon, 29 September 2003 19:19:30 +0000, bill davidsen wrote:
    > In article <Pine.LNX.4.44.0309281035370.6307-100000@home.osdl.org>,
    > Linus Torvalds <torvalds@osdl.org> wrote:
    >
    > | Interesting. I'm pretty sure I did a "make allyesconfig" just before the
    > | test6 release, so apparently x86 includes it indirectly through some path,
    > | and so it only shows up on m68k and arm?
    > |
    > | This, btw, is a pretty common thing. I wonder what we could do to make
    > | sure that different architectures wouldn't have so different include file
    > | structures. It's happened _way_ too often.
    > |
    > | Any ideas?
    >
    > If CPU cycles are no object the include names and order can be picked
    > out of the preprocessor output, add "-E" to the gcc call, pick only the
    > lines starting with "1" and a header name, save in a text file. The
    > problem is that config option (including arch) change the output, so
    > it's only useful as a rough check.

    How is this better than adding "-H", as Jamie suggested?

    > Don't know if this is what you wanted, it does allow the comparison
    > between arch's. Oh, it also shows that some headers are used a lot more
    > than they need be, a few more ifdef's in the low level header files
    > could reduce filesystem thrashing during a build. Some folks have
    > machines which don't keep everything in memory :-(

    How do you find the correct places to prune include lines?

    Jörn

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