[oe] large uImage size

Koen Kooi k.kooi at student.utwente.nl
Sun Jan 13 15:35:52 UTC 2008


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Risto Pajula schreef:
| Hello.
|
| I am getting very large kernel image size (~4,5 MB) when using the
| cross-compiler built with a recent version of openembedded. Normal kernel
| image size is around 1,5 MB. The large kernel image size only happens
when
| building the kernel outside the openembedded build environment, when
building
| with the normal OE build (bitbake minimal-image) the resulting kernel
image
| size is normal.
|
| This has however changed in some point of OE development. If I use an
old OE
| snapshot and build the crosscompiler with it the resulting kernel
image even
| when building outside OE environment is normal. (Both however use gcc
4.1.2).
|
| I have tried to figure what is different in the environment when
building the
| kernel within OE and outside it but any of the environment variables
and etc.
| have not solved the problem.
|
| Does anybody know any changes in the OE which could cause this different
| behaviour in the gcc cross-compiler built with it?

http://www.openembedded.org/repo/org.openembedded.dev/packages/linux/linux-2.6.23/binutils-buildid-arm.patch

|
| Machine: at91sam9263-ek.
| The kernel compilation ouside OE:
| make ARCH=arm
|
CROSS_COMPILE=/PATH_TO_OE_BUILD_DIR/tmp/cross/bin/arm-angstrom-linux-gnueabi-

| uImage
|
| I want to build the development kernel outside of openembedded
framewok for
| various reasons

any valid reasons?


- --
koen at dominion.kabel.utwente.nl will go go away in december 2007, please
use k.kooi at student.utwente.nl instead.

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