[Tor-BSD] Building Tor 0.2.7.x on OpenBSD

teor teor2345 at gmail.com
Fri Jul 31 07:24:58 EDT 2015

> On 31 Jul 2015, at 10:43 , Carlin Bingham <cb at viennan.net> wrote:
> On Wed, 29 Jul 2015, at 03:03 AM, attila wrote:
>> Hash: SHA384
>> teor <teor2345 at gmail.com> writes:
>>>> On 24 Jul 2015, at 07:17 , attila <attila at stalphonsos.com> wrote:
>>>> Signed PGP part
>>>> teor <teor2345 at gmail.com> writes:
>>>>>> On 16 Jul 2015, at 05:23 , Michael McConville <mmcconville at mykolab.com> wrote:
>>>>>> The Libevent 2 port splits it into a bunch of different sub-archives,
>>>>>> and the Tor configure options for manual library dependencies seem
>>>>>> pretty brittle. I tweaked it some and got it to compile, but it crashed
>>>>>> at runtime.
>>>> I seem to have done slightly better just now, albeit on i386.  The
>>>> patch embedded in this email allowed me to build head of line tor
>>>> w/libevent2 installed on OpeBSD-current from packages:
>>> I've logged this in the Tor trac so we don't lose it:
>>> https://trac.torproject.org/projects/tor/ticket/16651
>> Okay, after going around with teor one more time I think we finally
>> have a winner, which I have attached to the above ticket.  This also
>> deals with nickm's original criticism of the patch, which was correct
>> (and which I didn't see until just now)...
>> ... now back to the test suite failures...
> Seeing segfaults running tor with this patch on 5.7. Happens fairly
> consistently, within about an hour of starting up.
> Possibly just a known issue with bufferevents? It won't build without
> --enable-bufferevents.
> Tor version (git-36c0ae6f7834af16).
> Program received signal SIGSEGV, Segmentation fault.
> 0x00001b7f246aa8b4 in buf_datalen (buf=0x0) at src/or/buffers.c:341
> 341       return buf->datalen;
> I could provide a complete backtrace if needed but I'd have to anonymise
> it.

There are known issues with bufferevents.

It may be better to focus on getting Tor to build with default libevent bindings (without bufferevents).

What is the build issue without bufferevents?
I can't find it in the previous emails.


Tim Wilson-Brown (teor)

teor2345 at gmail dot com

teor at blah dot im
OTR D5BE4EC2 255D7585 F3874930 DB130265 7C9EBBC7

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