[LLVMdev] unwind's permanent residence

[Saleem Abdulrasool]

On Fri, Jan 30, 2015 at 3:35 PM, Dan Albert <danalbert at google.com> wrote:

> On Fri, Jan 30, 2015 at 3:10 PM, Saleem Abdulrasool <compnerd at compnerd.org
> > wrote:
>
>> On Fri, Jan 30, 2015 at 1:41 PM, Renato Golin <renato.golin at linaro.org>
>> wrote:
>>
>>> What about the default unwinder for Compiler-RT? Should we assume our
>>> own? Gcc's? Assuming nothing will break compilation, since the libraries
>>> won't be available...
>>>
>> I think that assuming libunwind by default is the better choice.
>> Assuming that GCC is installed is an odd assumption (I don't see anywhere
>> in the docs that in order to use clang, you *must* have gcc installed in
>> the standard location).  Users can easily change the default behaviour with
>> the flag if they desire.
>>
>
> Shouldn't it just use the default unwinder for the given platform?
>

Sure, but what is the default unwinder for a given platform?

Lets go with Linux.  I have two different images (okay, I have one, but Im
sufficiently familiar with Gentoo as well):
- Gentoo w/ GCC
- exherbo w/o GCC

Both are Linux.  Whats the default unwinder?

-- 
Saleem Abdulrasool
compnerd (at) compnerd (dot) org
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