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Linux From Scratch This Forum is for the discussion of LFS.
LFS is a project that provides you with the steps necessary to build your own custom Linux system.

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Old 03-03-2010, 07:51 AM   #1
JonathanWilson
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Registered: Aug 2009
Location: Ilkeston, England
Distribution: ubuntu, xp, embeded
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clfs/ubuntu desktop on an arm cortex a8 (beagle board)


Just a few curious "can I?" type questions.

I think I've finally figured out how to cross compile a kernel (from kernel.org) successfully using a download from www.codesourcery.com and using parameters to overide where the headers and librarys etc. should be read from and output placed instead of the defaults.

1, Now what I'm wondering is (forgetting about speed for the moment) is it possible to just download all the source for debian or ubuntu desktop and cross compile it so I can have a working desktop set up instead of netbook remix or somesuch derivative?

2, The main apps I want to run on this device are GIMP and rawstudio, which have various requirements such as, most notably, GTK+
If I were to use a different "remix" or to say use a more embedded style of display driver, eg. android, would I have to port GIMP to use the different widgets or is it possible to install GIMP on GTK on Android?...

Likewise if GIMP is a GTK/GNOME, then how does it run on say KDE, is it a port or does some magik go on in the background where GTK (or a special version of it) does the widget bit but then passes stuff on to the KDE WM, composting etc?

I guess where I'm getting most confused is about the layers of work between the application, the widget sets, the WM's, composting, X (if applicable), kernel, and device drivers (such as 3D "cards/chips" 2D, Frame buffer, et. al.)

Are there any nice easy to read (with pictures, lol) sites that detail the above with comparisons of what happens, what dependencies, are needed when you change a layer (or remove it)?

JonXx
 
Old 03-04-2010, 12:55 AM   #2
ProtoformX
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Registered: Feb 2004
Location: Canada
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I want to say yes... but you would you have to do a lot of hacking, not everything will cross compile cleanly, speed is a factor, how much ram we talking? if you have like the 512, don't even think about using GIMP, you lack the hardware and the processing power to do so, it would be like porting Doom3 to a 8086 sure it will execute, but it would never be playable.


No to mention a lot o work, have you any idea how many packages and configure files you would need to setup if you were to cross compile an entire Distro, LFS and BLFS are just basics they take 1 day if your good at it, this of course is with written instructions, look I don't want to shoot any of your dreams down but you seriously need to plan this out, with LFS its possibly to construct a system in a day , but that is only because we have instructions to follow, you don't even have that.

I dont see this as feasible, I mean sure it's possible, you have the source code, anything is possible... just now much time are you willing to spend on it?
 
Old 03-06-2010, 10:05 AM   #3
fancylad
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Registered: Mar 2008
Distribution: slackware
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shouldn't this be moved out of the lfs section?
 
  


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