Re: changing local version requires full rebuild

[Michael S. Tsirkin]

Hello!
Quoting r. Sam Ravnborg (sam@xxxxxxxxxxxx) "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.


We now have:
swlab155:/usr/src/linux-2.6.10-gold # grep version.h -rI . | wc -l
2143
swlab155:/usr/src/linux-2.6.10-gold # grep UTS_RELEASE -rIi .| wc -l
47

So it appears that its much simpler to change all users of
UTS_RELEASE to use some other file, say local_version.h,
and have localversion not affect version.h

Opinions?

mst

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