[C++-sig] Problem with vc++ 7

[David Abrahams]

"Paul F. Kunz" <Paul_Kunz at SLAC.Stanford.EDU> writes:

>>>>>> On Tue, 19 Nov 2002 12:00:20 -0500, David Abrahams <dave at boost-consulting.com> said:
>
>> "Paul F. Kunz" <Paul_Kunz at SLAC.Stanford.EDU> writes:
>>> Environment: boost 1.28.0, VC++ 7.0, Windows 2000 and XP.
>>> 
>>> My Python extension module fails to intialize.  From the function
>>> generated by the macro
>>> 
>>> BOOST_PYTHON_MODULE_INIT(hippo)
>>> 
>>> the assertion in BOOST_FUNCTION_FUNCTION::operator()
>>> 
>>> assert(!this->empty());
>>> 
>>> fails.  With same source code, I do not have the problem with gcc
>>> 2.95.3 with boost 1.25.0 or gcc 3.2 with boost 1.28.0 under RedHat
>>> Linux.  Also didn't have the problem with VC++ 6.0 sp 5.
>>> 
>>> Any clues?  Known problem?
>
>> Sorry, nope.
>
>> I can only suggest an upgrade to a current Boost.Python v2. It's
>> much better tested than 1.28.0.
>
>    I took your suggestion.   I converted to Boost.Python v2 first under
> Linux, and got things working.   Then I tried Windows again.   Got a
> little further...
>
>>>> from hippo import *
>>>> app = HDApp()
>
> Then I get the same exception as above.   Relavent code is...
>
>   class_ < PyApp > ( "HDApp" )
>     .def ( "canvas", &PyApp::currentCanvas, 
> 	   return_value_policy < reference_existing_object > () )
>     .def ( "openDocument", &PyApp::openDocument )
>     ;
>
> i.e. calling the default constructor causes exception.

That looks like a different problem than the previous one. 
Can you post a complete, minimal reproducible test case?

-- 
                       David Abrahams
   dave at boost-consulting.com * http://www.boost-consulting.com
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