Confused by what compiler to use for kernel code

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Confused by what compiler to use for kernel code

Postby mungbeans » Wed Nov 26, 2008 12:37 am

I've been doing lots of searching to find information on how to compile code for the kernel and am confused as to the results.

According to
http://source.android.com/download
you can obtain the source and compile it right away, and when I tried it it was successful.

So if you can apparently compile for the emulator using the tool chain as above why are there so many articles talking about obtaining a cross-compiler or using scratchbox or busybox or embedded debian etc.?

Could somebody please just answer these simple questions:
1) If I modify some kernel source code, or write a simple c hello world app, what compiler should I use to run it on the emulator and why? If I can't use the built in tool chain why not?

2) If I do above and want to run it on target hardware, omap 2420 or whatever, what compiler should I use and why?

3) Is there any documentation describing how the android build system / make files etc. works?

TIA
mungbeans
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