[Openembedded-users] cramfs image for ARM architecture with basilar xserver

[Salvatore Fassi]

Dear All,

My name is Salvatore I'm an embedded software developer.
I'm currently working on an ARM board and I've started to use openembedded
to create a small but efficent rootfs for it.

As the guide said I've created my machine and local configurations.

This is my local.conf:
BBFILES = "/home/salvo/oe/stuff/openembedded/recipes/*/*.bb"
DISTRO = "angstrom-2010.x"
MACHINE = "armtest"

And this is my armtest.conf file:

#@TYPE: Machine
#@NAME: armtest
#@DESCRIPTION: armtest
TARGET_ARCH = "arm"

PREFERRED_PROVIDER_virtual/xserver = "xserver-xorg"
XSERVER = "xserver-xorg \
           xf86-input-evdev \
           xf86-input-mouse \
           xf86-video-fbdev \
           xf86-input-keyboard"

GUI_MACHINE_CLASS = "bigscreen"

require conf/machine/include/tune-cortexa8.inc

PREFERRED_PROVIDER_virtual/kernel = "linux"
PERFERRED_VERSION_linux = "2.6.32"

MACHINE_FEATURES = "kernel26 screen apm usbgadget usbhost vfat alsa"

----- end


I've choose such configuration looking at some other machine files.


Then I've started to build one of the pre-defined images : x11-image

Unfortunately this image is downloading and installing a lot of things!
I thought this would only install an x11 base image but it's compiling also
gtk, gnome etc etc...and taking a lot of disk space!

So my questions are:

1) Please can you suggest me the best way to create an image as small as
possible with a complete xorg xserver support + QT?
2) Is there a way to use a prebuilt external toolchain?
3) How can I tell openembedded to use kernel sources that are already
downloaded and patched and stored on my HD?
4) Is the Angstrom distro something that could be ok for a simple rootfs on
an embedded device?

Thank you for everything.

Salvo
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