[ELDK] Creating small target rootfs in DENX
Wolfgang Denk
wd at denx.de
Wed May 28 17:47:02 CEST 2008
In message <1211988251.22150.7.camel at pterry-fc6.micromemory.com> you wrote:
>
> It depends on your mindset. Most "embedded, no resources spare" people
> would start with SELF which gives you a boot up and busybox plus ftp and
> telnet. You throw in your application programs, daemons, utilities plus
> any shared libraries they use (if not static). Then maybe you peruse the
ACK, that's the best way to go. To get a well-designed, small
embedded root file system you should know exactly why you need to add
a specific file to the target root file system.
> Starting the other end and trying to see how much you can remove without
> something thats left breaking is somewhat more frustrating, dependency
> tracking through shared libraries etc. And most RPM packages are not
> that good at declaring dependencies that really matter... admin scripts
> for a package being dependent on little utilities from other packages,
> etc.
Trying to shrink a full-blown istribution results typically in 10...20
times the size of a file system build bottom up.
Quote:
Perfection is reached, not when there is no longer anything to add,
but when there is no longer anything to take away.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"Obviously, a major malfunction has occurred."
-- Steve Nesbitt, voice of Mission Control, January 28,
1986, as the shuttle Challenger exploded within view
of the grandstands.
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