[libstdc++] dg-require-atomic-builtins on ARM

[Sebastian Huber]

On 01/09/15 14:22, Andreas Schwab wrote:
> Sebastian Huber <sebastian.huber@embedded-brains.de> writes:
>
>> How do the other ARM testers tackle this issue? Would it be possible to
>> add for example a "-march=armv7-a" option if the target selector contains
>> "arm"?
> RUNTESTFLAGS=--target_board=unix\{,-march=armv7-a\}

Thanks for this hint. Do you know the magic to use more than one machine 
option, e.g. -march=armv7-a -mthumb? I tried several ways to quote the 
space character, and so on, but nothing worked. I didn't find any 
documentation for this {} stuff.

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