[PyKDE] Segv debugging

Patrick Stinson ajole-1 at gci.net
Thu Oct 16 20:56:01 BST 2003

Is that the -r option on build.py? Doesn't that set the dir containing qt lib 

bash-2.05b$ python build.py --help
    -r dir         the directory containing the Qt library [default 

On Wednesday 15 October 2003 19:47, Phil Thompson wrote:
> On Thursday 16 October 2003 4:21 am, Derek Fountain wrote:
> > When getting a segv from a PyQt script, is there a way of getting and
> > using a core dump such that it might provide a clue as to what I've done
> > wrong? What steps do developers take when faced with a segv?
> Getting a core dump depends on your shell...
> ulimit -c unlimited
> ...for bash.
> As of now you can also build a trace enabled version of PyQt (build it with
> the -r flag). To switch traces on, put the following in your script...
> # The SIP v4 module is called sip.
> import libsip as sip
> sip.settracemask(0xff)
> ...you can change the mask at any time. See the SIP_TRACE_* values in sip.h
> to see the detail of which trace messages correspond to which bit of the
> mask.
> Phil
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