[C++-sig] Another BPLV2 newbie...

[Martin Casado]

On Wednesday 26 June 2002 15:29, you wrote:
> > If you need support for more arguments, you can set #define
> > BOOST_PYTHON_MAX_ARITY to the number of arguments you need to support.
> > You can do this on the compiler command-line with
> > -DBOOST_PYTHON_MAX_ARITY=20
>
> I must rebuild Boost.Python with that parameter I take it. (Just setting
> it in my code didn't work. Though it did slow down a simple example from
> 5 seconds compile time to 10 seconds... so it did *something* ;) I will
> try this "tomorrow" (after sleep). (My timezone is "+0200"). For now I
> have commented the .def for the one horrible 17 parameter method...
>
> Interesting thing I did notice, even with this commented, I need to pass
> gcc a -ftemplate-depth-35 parameter (I'm using GCC 2.95.4.
> -ftemplate-depth-34 doesn't work.) I'll do some "trimming" of my code
> later to find out exactly what causes this to be required...
>
> > Looks like a missing #include <boost/python/class.hpp> to me.
>
> That's what it was, yes, thanks.
>
> > > I'm worried I might have broken something by trying gen_all.py, but the
> > > tests appear to build fine. (I ran
> > > $ jam -sPYTHON_VERSION=2.2 -sPYTHON_ROOT=/usr
> > > in libs/python/test, with BOOST_ROOT set in environment.)
> >
> > Don't use "jam"; the executable you want is "bjam" (the name matters).
>
> I ran make in the tools/build/jam_src directory, then I ran
> bin.linuxx86/bjam install - this installed a "jam" named binary only,
> though it is identical to the "bjam" also in that dir. I realise "bjam"
> is to distinguish between boost's jam and the original - I suggest the
> tools/build/jam_src/Jamfile be adjusted to install a "bjam"-named binary
> by default then instead?
>
> One last thing I will get back to investigating later:
> >>> import test_module
>
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> ImportError:
> /home/hugo/Programming/boost/libs/python/bin/libbpl.so/gcc/release/inlining
>-on/runtime-link-dynamic/shared-linkable-true/libbpl.so.1.29.0: undefined
> symbol: PyType_GenericAlloc
>

seems to me that you are not using python2.2.

        ~~m