I have not used TalkFFI I only know that it exists. Very glad it works for
you and I am also very interested on a blog post how you got it working and
how you solved your problems. I am sure it will come handy one day :)

On Wed, Mar 25, 2015 at 12:37 PM, Udo Schneider <
udo.schnei...@homeaddress.de> wrote:

> I found the offending code. The original code is something like:
>
>         struct libusb_bos_dev_capability_descriptor *dev_capability
> #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
>         [] /* valid C99 code */
> #else
>         [0] /* non-standard, but usually working code */
> #endif
> ;
>
> This doesn't work with clang/TalkFFI. I assume based on the #defines it
> uses the C99 notation which doesn't work. "Hardcoding" it to the
> non-standard notation does work. E.g.:
>
>         struct libusb_bos_dev_capability_descriptor *dev_capability
> //#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
> //      [] /* valid C99 code */
> //#else
>         [0] /* non-standard, but usually working code */
> //#endif
> ;
>
> It seems that this was the only showstopper as TalkFFI just generated a
> binding for the whole library w/o any problem.
>
> I'll start experimenting now ...
>
> CU,
>
> Udo
>
>
> On 24/03/15 17:33, kilon alios wrote:
>
>> If the library is big you can use TalkFFI (you will find it in
>> smalltalkhub) that automates the wrapping with nativeboost.
>>
>> On Tue, Mar 24, 2015 at 4:58 PM, Udo Schneider
>> <udo.schnei...@homeaddress.de
>> <mailto:udo.schnei...@homeaddress.de>> wrote:
>>
>>     I guess not :-)
>>
>>     I'll try to wrap libUSB then.
>>
>>     I assume the future-proof way to use "a" FFI framework is to use the
>>     NB notation? Do I remember correctly that the NB notation is
>>     supposed to remain the same although the backend will change to
>>     something more like traditional FFI?
>>     So using NB notation w/o relying on the code generation is safe,
>>     correct?
>>
>>     CU,
>>
>>     Udo
>>
>>
>>
>>     On 23.03.2015 16:15, Udo Schneider wrote:
>>
>>         All,
>>
>>         does anybody have some code or plugin to access USB ports with
>>         Pharo?
>>         Maybe something using libUSB or OpenUSB?
>>
>>         Thanks,
>>
>>         Udo
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>

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