[poky] eglibc configurability

[Richard Purdie]

On Mon, 2011-02-07 at 07:44 -0700, Gary Thomas wrote:
> I often run small (slow) embedded systems with only a ramdisk
> based file system.  When I use Poky for this, one side effect
> is that some packages need to be "configured" on bootup, which
> in the case of a ramdisk based operation means every time.
> 
> I notice that the eglibc package brings in a couple of these
> which are problematic (mostly in how long they take to run)
> Looking at meta/conf/distro/include/poky-eglibc.inc:
> 
> LIBC_DEPENDENCIES = "libsegfault \
>                       eglibc \
>                       eglibc-dbg \
>                       eglibc-dev \
>                       eglibc-utils \
>                       eglibc-thread-db \
>                       eglibc-localedata-i18n \
>                       eglibc-gconv-ibm850 \
>                       eglibc-gconv-cp1252 \
>                       eglibc-gconv-iso8859-1 \
>                       eglibc-gconv-iso8859-15 \
>                       locale-base-en-us \
>                       locale-base-en-gb "
> 
> On my OMAP-L138 target, configuring locale-base-* takes
> a long time, upwards of 35 seconds each.
> 
> Are multiple locale-base packages really necessary?
> How could I best (in the Poky spirit) limit this?  In the
> minimum, I'd like to only have one locale, saving at least
> 35 seconds of boot time.
> 
> Ideas?  Comments?

Shouldn't the cross locale generation be generating the locales at build
time meaning the locales shouldn't be generated on the device?

Cheers,

Richard