Re: [Discuss-gnuradio] SWIG 3.0.3 Issue

[Martin Braun]

Yay, SWIG troubles. Until we've figured out what's up, we should
probably put in a version check < 3.0.3 into our build setup.

>From your example, I actually prefer the 3.0.3 code output and am
curious why this would throw an error.

M

On 12/31/2014 04:19 AM, Michael Dickens wrote:
> SWIG 3.0.3 was released today (30 Dec 2014) < http://www.swig.org/ >,
> and I maintain this port in MacPorts. So, I naturally was curious to see
> if it works with GNU Radio. Sadly, GNU Radio fails because some of the
> SWIG-generated Python scripts have errors in them. For example, in SWIG
> 3.0.2 the vector_source_b::make is defined in blocks_swig1.py as:
> {{{
>     def make(*args, **kwargs):
>         """
>         make(std::vector< unsigned char,std::allocator< unsigned char >
>         > const & data, bool repeat=False, 
>             int vlen=1, tags_vector_t tags=std::vector< gr::tag_t >())
>             -> vector_source_b_sptr
> }}}
> while in 3.0.3 this code is:
> {{{
>     def make(data, repeat=False, vlen=1, tags):
>         """
>         make(std::vector< unsigned char,std::allocator< unsigned char >
>         > const & data, bool repeat=False, int vlen=1, tags_vector_t
>         tags) -> vector_source_b_sptr
> }}}
> 
> The above are both generated using the current GIT HEAD (c67281b6), just
> changing which version of SWIG is used.
> 
> For now, I won't upgrade SWIG to 3.0.3 since this is a pretty critical
> issue. I'll also report it to the SWIG devs to see what they think -- it
> might be that there were changes to how SWIG %-things are used; it also
> might be that there's an actual error in the SWIG Python generator code.
> - MLD
> 
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