[Buildroot] big root fs

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Le Tue, 11 Sep 2012 05:29:52 -0700 (PDT),
Zoran Djordjevic <djdjdjole@yahoo.com> a ?crit :

> I built linux kernel using Buildroot, but included glibc support
> instead of uClibc. For that matter I was using Crosstool NG. 
> I achieved the goal - compiled the GTK?applications and they work on
> my target ARM board. All of that is?by using?NFS on my Ubuntu machine.
> However the size of generated jffs2 is 52MB- which is huge for me.
> Although I included GTK examples, and maybe few more properties I
> still wander if the size is related (only)?to glibc matter. 
> I will try building with uClibc (only to detect difference in size),
> but at the moment it is important to me to use glibc, so what else
> can contribute to overal size of image, other than??(maybe) glibc. 

The difference is size will not be that huge, maybe around 1-2 MB, not
much more.

> I attatched my .config if someone want to look at it and maybe find
> some memory eating matter. Also,?can size of glibc be reduced, by
> throwing out some properties.

glibc does not offer any configuration options. eglibc has a few
options, but that are not exposed by Crosstool-NG, and I doubt that
they provide a really significant size reduction.

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com