[PATCH 4/5] Support backtracing through elfutils (#70746)

[Keith Packard]

Peter Hutterer <peter.hutterer at who-t.net> writes:

> On Tue, Oct 29, 2013 at 10:13:28PM -0400, Jasper St. Pierre wrote:
>> I'm not a fan at all. This API is really bad compared to what's provided by
>> libbacktrace, which is super simple. This also seem to require callbacks
>> that have "Linux" in the name. Why are we trying to get rid of
>> libbacktrace, and what's the schedule for this?
>
> we're getting rid of libunwind, which was merged after 1.14 and isn't
> available on e.g. RHEL and apparently not required either. as for
> libbacktrace - haven't dealt with it yet, so I can't comment much on it.
>
> schedule - asap, before the 1.15 release would be nice so we don't introduce
> a dependency that we don't need.

Are you OK with the current conditional dependency on libunwind? We
could easily add a '--with-libunwind' and disable it by default so that
the build would be consistent independent of whether libunwind was
accidentally installed.

Sorting this out before 1.15 seems like a good idea.

-- 
keith.packard at intel.com
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