[yocto] Build optimization question

[Brian Hutchinson]

On Nov 8, 2014 9:23 AM, "Brian Hutchinson" <b.hutchman at gmail.com> wrote:
>
>
> On Nov 8, 2014 9:02 AM, "Dean" <dean at ripperd.com> wrote:
> >
> > So I am using core-image-minimal and trying to shrink things as much as
possible for boot speed. I wrap the bitbake command in some other commands
to basically extract the image and then attach it to a kernel as a ramdisk.
So the size of the image is critical to boot speed.
> >
> > In some of my custom packages I have used -Os in the gcc command line.
> > Is there a way to set this globally for all the packages built into the
image?
> >
> > Any other hints or tips to reduce the size of the build? Or potential
changes to u-boot to make it load faster? This is running on a beaglebone
black.
> >
> >
> > Thanks,
> > Dean
> > --
> > _______________________________________________
> > yocto mailing list
> > yocto at yoctoproject.org
> > https://lists.yoctoproject.org/listinfo/yocto
>
> ... I've been noticing over the last few releases that core - image -
minimal isn't so minimal anymore.  Its been picking up weight as it ages
(like me).
>
> I'm planning to just start excluding some of the packages in it ... I
don't need sound, wireless, Bluetooth etc.
>
> Regards,
>
> Brian

... going from memory about my last dizzy build, /use/share was 35M.  I've
been using the rootfs tar to build my image and exclude some of this stuff
but I need to look into ways to tame this kind of thing with recipes etc.

Regards,

Brian
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