[Patch ARM/ configury] Add fall-back check for gnu_unique_object

[Ramana Radhakrishnan]

>> The patch with correct configure output is ok.
>
> Thanks - this is what I committed.

Is this something that can be considered for backporting to release
branches ? This patch technically doesn't fix a regression but brings
in line behaviour of the normal bootstrap for %gnu_unique_object ?

http://gcc.gnu.org/ml/gcc-patches/2012-03/msg01046.html


regards,
Ramana

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> Ramana
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> 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
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>        * config.gcc (target_type_format_char): New. Document it. Set it for
>        arm*-*-* .
>        * configure.ac (gnu_unique_option): Use target_type_format_char in test.
>        Comment rationale.
>        * configure: Regenerate .
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> Ramana
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>>
>> Paolo