libmudflap and emutls question

[Jie Zhang]

Jakub Jelinek wrote:
> On Wed, Jan 07, 2009 at 11:38:55AM +0100, Paolo Bonzini wrote:
>>> Which version of gcc did you use? gcc 4.1 (maybe and 4.2) will report
>>> error. But gcc 4.3 compiles OK. I tested using x86_64 native gcc from
>>> Debian unstable.  __emutls_get_address is defined in libgcc even the
>>> target has real TLS.
>> Uff... not my day.  I used 4.2 (emutls was posted in 4.2 time but
>> committed in 4.3 only).  But I didn't think of the simplest solution:
>> use greps together with strings(1): "strings ./conftest | grep
>> __emutls_get_address".
> 
> I'd say much better would be just to grep assembly.
> See e.g. libffi/configure.ac's libffi_cv_hidden_visibility_attribute test.
> 
This is what I was looking for. Thanks! The updated patch is attached. 
Is it OK now?


Jie
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