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SubjectRe: Linux 2.6.0-test6
On Mon, 29 September 2003 19:19:30 +0000, bill davidsen wrote:
> In article <>,
> Linus Torvalds <> 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?


A defeated army first battles and then seeks victory.
-- Sun Tzu
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