Hello all,

Sorry to bump this, but i am still unable to resolve my problem described below.

I have seen a 2008 thread on this: http://archives.free.net.ph/message/20080331.203857.548691a0.ja.html

In this case it is align(8) not align(16), and the thread describes this issue as resolved. This leads me to believe there is an answer *out there* :)

Thanks for your help

Simon


Hi,

I think this is an MSVC problem caused by the bad STL implementation,
but I wondered if there was a work around.

Both my client (Win32 MSVC8) and server (ubuntu GCC 4.2.3) share the
same c++ code. It compiles and runs on GCC but fails on MSVC.

This uses the the bullet physics library and includes a type defined
like this:

__declspec(align(16)) btVector3 {/*...*/};

When building my boost::python extension with:

class_<btVector3>("BtVector3", init<float, float, float>());

I get an error like this :

C:\boost_1_38_0\boost/python/converter/as_to_python_function.hpp(21) :
error C2719: 'unnamed-parameter': formal parameter with
__declspec(align('16')) won't be aligned
        C:\boost_1_38_0\boost/python/to_python_converter.hpp(88) : see
reference to class template instantiation
'boost::python::converter::as_to_python_function<T,ToPython>' being compiled
        with
        [
            T=btVector3,
            /* .... Huge call stack omitted for clarity.... */
        build.cpp(155) : see reference to class template instantiation
'boost::python::class_<W>' being compiled
        with
        [
            W=btVector3
        ]

Is there a way to overcome this? switch to MinGW? :)

Thank you very much

Simon
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