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SubjectRe: changing local version requires full rebuild
Hello!
Quoting r. Sam Ravnborg (sam@ravnborg.org) "Re: changing local version requires full rebuild":
> On Sun, Jan 16, 2005 at 05:22:42PM +0200, Michael S. Tsirkin wrote:
> > Hi!
> > Is it just me, or does changing the local version always require
> > a full kernel rebuild?
> >
> > If so, I'd like to fix it, since I like copying
> > my kernel source with --preserve and changing the
> > local version, then going back to the old version in case of
> > a crash.
> > Its important to change the local version to force
> > make install and make modules_install to put things in a separate
> > directory.
>
> Just tried it out here.
> After cp -Ra only a limited part of the kernel rebuilds.
> o oiu.c in ieee directory - because it dependson the shell script
> o A number of drivers that include version.h
> - This should be changed so local version does not affect
> the reast of version.h.
> o Other stuff that is always build if kernel has changed
>
> Do you use "echo -mylocalver > localversion" to change the local version?
>
> Sam

Just tried this with the same effect.

Could it be your version was already -mylocalver?

Please note that you have to actually *change* the local
version, otherwise almost nothing is recompiled.
Just a touch does nothing.

Actually, the directory kernel/ is not recompiled (so the subject is a
bit misleading) , but a huge number of files in drivers, filesystems, sound,
lib and net directory - are.

MST
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