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DateFri, 5 May 2006 02:30:05 -0400
From"Dan Merillat" <>
SubjectRe: Kbuild + Cross compiling
On 5/5/06, Sam Ravnborg <sam@ravnborg.org> wrote:
> kbuild checks for any differences in the commandline alos - so a rebuild
> happens if you change options to gcc (think -O2 => -Os).
> If you experience that for example mm/slab.c is rebuild then try to
> do the following:
> cp mm/.slab.o.cmd foo
> make mm/
> diff -u foo mm/.slab.o.cmd
>
> If diff detects any difference then you know why and need to find out
> why there is a difference.

Nothing, even md5sums match.
2abfcbee132335ba8e1da120569abf67  .do_mounts.o.cmd
2abfcbee132335ba8e1da120569abf67  .do_mounts.o.cmd.1

but it gets rebuilt every time.
>
> Btw. what make version and what kernel version are you compiling?
> There was some inconsistency in kbuild that triggered with make 3.81-rc1
> and which will trigger with make 3.82-cvs also.
> This issue was only fixed lately - recall it was for 2.6.16

2.6.15, but make 3.80.  Is that the same problem?

I havn't developed on i386 lately so I don't know if it's only a
cross-compile issue.
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