example needed: sip + Qt

[Uwe Mayer]

Friday 28 January 2005 23:39 pm Uwe Mayer wrote:

> Friday 28 January 2005 23:18 pm Uwe Mayer wrote:
>> Traceback (most recent call last):
>>   File "<stdin>", line 1, in ?
>> ImportError: ./hello.so: undefined symbol: _ZTV5Hello
>> 
>> $ c++filt _ZTV5Hello
>> vtable for Hello
>> 
>> The compilation did not give any warnings or error messages. Any ideas?
> 
> $ ldd -d hello.so
>     libqt-mt.so.3 => /usr/lib/libqt-mt.so.3 (0x40057000)
>         libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x4190c000)
>         libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x4154e000)
>         libpthread.so.0 => /lib/tls/libpthread.so.0 (0x41173000)
>         libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0x40743000)
>         libm.so.6 => /lib/tls/libm.so.6 (0x4114f000)
>         libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x407fd000)
>         libc.so.6 => /lib/tls/libc.so.6 (0x41019000)
>         libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0x418d8000)
>         libaudio.so.2 => /usr/lib/libaudio.so.2 (0x40807000)
>         libXt.so.6 => /usr/X11R6/lib/libXt.so.6 (0x4191c000)
>         libpng12.so.0 => /usr/lib/libpng12.so.0 (0x4081c000)
>         libz.so.1 => /usr/lib/libz.so.1 (0x41856000)
>         libXrender.so.1 => /usr/lib/libXrender.so.1 (0x41749000)
>         libXrandr.so.2 => /usr/X11R6/lib/libXrandr.so.2 (0x40842000)
>         libXcursor.so.1 => /usr/lib/libXcursor.so.1 (0x41734000)
>         libXft.so.2 => /usr/lib/libXft.so.2 (0x416e1000)
>         libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x42487000)
>         libSM.so.6 => /usr/X11R6/lib/libSM.so.6 (0x42583000)
>         libICE.so.6 => /usr/X11R6/lib/libICE.so.6 (0x4256a000)
>         libdl.so.2 => /lib/tls/libdl.so.2 (0x41184000)
>         /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)
>         libexpat.so.1 => /usr/lib/libexpat.so.1 (0x40847000)
> undefined symbol: _ZTV5Hello    (./hello.so)
> undefined symbol: _ZNK5Hello9classNameEv        (./hello.so)
> undefined symbol: _ZN5Hello7qt_castEPKc (./hello.so)
> undefined symbol: _ZN5Hello9qt_invokeEiP8QUObject       (./hello.so)
> undefined symbol: _ZN5Hello7qt_emitEiP8QUObject (./hello.so)
> undefined symbol: _ZN5Hello11qt_propertyEiiP8QVariant   (./hello.so)
> undefined symbol: _ZTI5Hello    (./hello.so)

> undefined symbol: _Py_NoneStruct        (./hello.so)
> undefined symbol: PyCObject_Type        (./hello.so)

Those last two can be removed if you link against libpython2.3.so and by
appending -lpython2.3 to the libs in the Makefile.

Uwe