Re: pkg/51550: mplayer w/option "caca" segfaults if "-vo caca" used.

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Tue, Oct 11, 2016 at 02:15:01PM +0000, John D. Baker wrote:
> The following reply was made to PR pkg/51550; it has been noted by GNATS.
> 
> From: "John D. Baker" <jdbaker%mylinuxisp.com@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: 
> Subject: Re: pkg/51550: mplayer w/option "caca" segfaults if "-vo caca" used.
> Date: Tue, 11 Oct 2016 09:10:34 -0500 (CDT)
> 
>  On Tue, 11 Oct 2016, Joerg Sonnenberger wrote:
>  
>  >  >   CFLAGS+=-ggdb
>  >  >   CXXFLAGS+=-ggdb
>  >  >   INSTALL_UNSTRIPPED=yes
>  >  
>  >  Try _WRAP_EXTRA_ARGS.CC+=-ggdb and/or CWRAPPERS_APPEND.cc+=-ggdb.
>  
>  I've added _WRAP_EXTRA_ARGS.CC+=-ggdb to the previous extra settings
>  and rebuilt libcaca, mplayer, and now ffmpeg3 with these.
>  
>  >  That said, the frames in question might be in one of the libraries
>  >  linked.
>  
>  So far, the gdb backtraces still do not show any symbolic information,
>  not even library names.
>  
>  I suspect I'll have to rebuild all of the depended libraries...

If you start the program in gdb, run pmap on the pid in another
terminal. That shows you what library is mapped where.

Joerg