Cross-compiling, building ARM RPMs

[Shakthi Kannan]

Hi,

I would like to create a rootfs image with a minimal set of software
(busybox) for a target ARM device.

Given a toolchain for the target hardware, what is the recommended
method to cross-compile, build RPM packages?

I guess, the cross-toolchain can be packaged separately for x86.

Appreciate any inputs,

Thanks!

SK

-- 
Shakthi Kannan
http://www.shakthimaan.com

[Andy Green]

On 12/17/09 16:36, Somebody in the thread at some point said:

Hi -

>  I would like to create a rootfs image with a minimal set of software
>  (busybox) for a target ARM device. 
If it's ARM11 and you are OK for memory, you can just use Bash.  On an 
iMX31 it's fast enough that it's not worth optimizing.

>  Given a toolchain for the target hardware, what is the recommended
>  method to cross-compile, build RPM packages? 
Fedora packages aren't cross-built but done natively on the ARM device.

They provide a "prebuilt filesystem tarball" to get you started made of 
unpacked packages

http://fedoraproject.org/wiki/Architectures/ARM#Getting_Started_with_the_...

>  I guess, the cross-toolchain can be packaged separately for x86.
There is a cross-toolchain additionally: I use it for bootloader and 
kernel builds.  But it's kind of out of date.

http://fedoraproject.org/wiki/Architectures/ARM/CrossToolchain

For normal packages, you use the distro gcc natively on the device.

-Andy

[Paul Bolle]

On Thu, 2009-12-17 at 17:23 +0000, Andy Green wrote:
>  There is a cross-toolchain additionally: I use it for bootloader and
>
>  kernel builds.  But it's kind of out of date.
>  
>  http://fedoraproject.org/wiki/Architectures/ARM/CrossToolchain 
Is there any reason why that cross-toolchain is (basically) still Fedora
8 based? Or doesn't that really matter?


Paul Bolle

[Lennert Buytenhek]

On Thu, Dec 17, 2009 at 09:06:44PM +0100, Paul Bolle wrote:

>  > There is a cross-toolchain additionally: I use it for bootloader
> and 
>  > kernel builds.  But it's kind of out of date.
>  > 
>  > http://fedoraproject.org/wiki/Architectures/ARM/CrossToolchain
>  
>  Is there any reason why that cross-toolchain is (basically) still Fedora
>  8 based? Or doesn't that really matter? 
There isn't really any reason.  Someone should just take the patch
(http://ftp.linux.org.uk/pub/linux/arm/fedora/cross/cross5/cross5.patch
is the current latest version) and make it work on the F12 toolchain
packages.