[Buildroot] Building for ARM

[Brian C. Lane <bcl@brianlane.com>]

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I am trying to build a basic system for ARM to use with qemu. I have
successfully doen this for i386 so all the tools are in place.

1. I configured buildroot for armeb and the ARM926 processor and then
built the basic filesystem and tools (I have also tried with arm instead
of armeb).

2. I configured kernel 2.6.12.6 for ARM (make ARCH="arm" menuconfig) and
selected Versatile for the ARM system type (qemu supports this and
Integrator)

3. I added the buildroot tools to the beginning of the path and try to
compile the kernel with:

export PATH=../buildroot/build_armeb/staging_dir/bin:$PATH
make CROSS-COMPILE="armeb-linux-" ARCH="arm" bzImage

I get this result:

CC      arch/arm/kernel/asm-offsets.s
cc1: error: invalid option ?little-endian?
cc1: error: invalid option ?apcs?
cc1: error: invalid option ?no-sched-prolog?
cc1: error: invalid option ?abi=apcs-gnu?
arch/arm/kernel/asm-offsets.c:1: error: bad value (armv4) for -march= switch
arch/arm/kernel/asm-offsets.c:1: error: bad value (arm9tdmi) for -mtune=
switch

It is acting like the compiler doesn't support arm, but I obviously set
the PATH and CROSS-COMPILE to point to the buildroot tools.

Does anyone have any idea of what I'm doing wrong? I've also done a
bunch of googleing and haven't come up with a decent howto for building
a basic system (coverage of uclibc, busybox and buildroot are great, but
none seem to talk about the kernel).

Thanks,

Brian

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Linux Software Developer                      http://www.brianlane.com
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