From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Thu, 8 Oct 2009 21:48:49 +0200
Subject: [Buildroot] Compiler for arm7tdmi
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On Thu, Oct 08, 2009 at 03:32:47PM -0400, Jon Smirl wrote:

>>>>>>>>I'm not having any luck building a compiler for arm7tdmi. I have the
>>>>>>>>static_flat file format selected, I couldn't get Elf to build. My goal
>>>>>>>>is to compile Contiki for a Freescale MC1322x.
>>>>>>>
>>>>>>> I don't think that flat support is working in the official repo.
>>>>>>> I once started to add support in my repo.or.cz/w/buildroot tree, but
>>>>>>> even that is not finished yet.
>>>>>>
>>>>>> Which format should I be using for arm7tdmi onto bare hardware?

--------------------------------------------------------^

>>>>>
>>>>>The elf target fails building with:
>>>>>cc1: error: unrecognized command line option "-mfdpic"

I think that any flat will not work in current buildroot.
You can only use elf, but that will not help you on bare metal AFAIK

Not a uClibc issue though.