[Buildroot] Buildroot at ELC: review/suggestions needed

Yann E. MORIN yann.morin.1998 at free.fr
Sun Feb 10 10:59:39 UTC 2013


Peter, All,

On Sunday 10 February 2013 Peter Korsgaard wrote:
> >>>>> "Yann" == Yann E MORIN <yann.morin.1998 at free.fr> writes:
>  Yann> ---8<---
>  Yann>     Minimal network-enabled system:   [*]
>  Yann>       ARM Raspberry Pi
>  Yann>       Pre-built ct-ng toolchain
>  Yann>       busybox + not-so-minimal kernel
>  Yann>       Build time: 1 minute 55 seconds
>  Yann>       Image size: 9.2 MiB (rootfs) + 1.8 MiB (kernel)
> 
> Why is the rootfs so big? Kernel modules / glibc?

Yes, this was not a "default" configuration, and there are so many
kernel modules. And glibc does not account for much of the size.

> A default rootfs (internal toolchain, busybox) is less than 1.5MB:
> -rw-r--r-- 1 peko peko 1.4M Feb 10 09:49 output/images/rootfs.tar
> Around half of that is busybox, other half is uClibc.

Yes, we already achieved such a size at ELC-E 2 years ago, during the
Yocto presentation. ;-)

Regards,
Yann E. MORIN

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