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

[Carlin Bingham]

On Fri, 31 Jul 2015, at 11:24 PM, teor wrote:
> 
> > 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:
> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> 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 0.2.7.2-alpha (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
> 
> Tim Wilson-Brown (teor)
> 
> teor2345 at gmail dot com
> pgp ABFED1AC
> https://gist.github.com/teor2345/d033b8ce0a99adbc89c5
> 
> teor at blah dot im
> OTR D5BE4EC2 255D7585 F3874930 DB130265 7C9EBBC7
> 
> Email had 1 attachment:
> + signature.asc
>   1k (application/pgp-signature)

Someone posted on the ticket about it: 
https://trac.torproject.org/projects/tor/ticket/16651#comment:12


--
Carlin