[PyQt] PyQt 4.7.4 (64b) on Snow Leopard & the Symbol not found: _sipQtConnect

[Colin McPhail]

On 24 Jul 2010, at 16:14, Doug Looney wrote:

> All,
> 
> I had been on 10.5 running macports.
> Removed macports.
> Upgraded to Snow Leopard.
> Seeing same problem from this list with PyQt 4.6 (a longish tale)
> I have verified the configure.py fix from that post - but still get this error.
> 
> My config:
> MacBook, Mac OS X 10.6.4
> 2.1 Intel Core 2 Duo
> i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5664)
> Python 2.6.1 (r261:67515, Feb 11 2010, 00:51:29)
> 
> Installed Qt:
>    qt-everywhere-opensource-src-4.6.3.tar.gz
>    ./configure -arch x86_64 -opensource
>    make/sudo make install
> 
> Installed sip-4.10.5:
>    python configure.py --arch x86_64
>    make/sudo make install
> 
> Installed QScintilla-gpl-2.4.4
>    python configure.py
>    make/sudo make install
> 
> ** I can run the qtdemo.app **
> 
> Installed PyQt-mac-gpl-4.7.4:
>    python configure.py
>    make/sudo make install
> 
> ** At this point I can see in the calls to gcc that x86_64 is being
> used in builds for Qt, Sip, QScintilla, and PyQt. **
> 
> But this is the output trying to run the demo:
> 
> Doug$ python ~/Downloads/PyQt-mac-gpl-4.7.4/examples/demos/qtdemo/qtdemo.py
> Traceback (most recent call last):
>  File "qtdemo.py", line 49, in <module>
>    from PyQt4 import QtCore, QtGui
> ImportError: dlopen(/Library/Python/2.6/site-packages/PyQt4/QtCore.so,
> 2): Symbol not found: _sipQtConnect
>  Referenced from: /Library/Python/2.6/site-packages/PyQt4/QtCore.so
>  Expected in: flat namespace
> in /Library/Python/2.6/site-packages/PyQt4/QtCore.so
> 
> Still scratching my head.
> Thanks,
> Doug
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Hi,
I got a similar message recently after attempting to build PyQt with different settings from previous attempts.  It went away after I made sure I was starting from 'clean' directories of SIP, QScintilla, and PyQt.

Hope this helps.

Regards,
-- Colin