[patch] allow suppression of fde encoding warning

[Sandra Loosemore]

On 01/20/2013 08:51 PM, Ian Lance Taylor wrote:
>>> I think the correct solution is to avoid using the --eh-frame-hdr
>>> option on architectures where it can not work.  I think the linker is
>>> correctly warning you that although you explicitly specified
>>> --eh-frame-hdr, you aren't going to get an exception frame header.
>>
> If it does not reliably work with your ABI, then I think that GCC
> should not pass it by default.

OK, I made that change to GCC, and I'm still getting the warning even 
without --eh-frame-hdr being passed to the linker.  How about the 
attached patch, which checks whether exception frame headers were 
requested before issuing the diagnostic?

-Sandra

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