[Cython] couple gcc warnings problems

[Dag Sverre Seljebotn]

Lisandro Dalcin wrote:
> Look what SWIG does:
> /* attribute recognised by some compilers to avoid 'unused' warnings */
> #ifndef SWIGUNUSED
> # if defined(__GNUC__)
> #   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 &&
> __GNUC_MINOR__ >= 4))
> #     define SWIGUNUSED __attribute__ ((__unused__))
> #   else
> #     define SWIGUNUSED
> #   endif
> # elif defined(__ICC)
> #   define SWIGUNUSED __attribute__ ((__unused__))
> # else
> #   define SWIGUNUSED
> # endif
> #endif
> 
> #ifndef SWIGUNUSEDPARM
> # ifdef __cplusplus
> #   define SWIGUNUSEDPARM(p)
> # else
> #   define SWIGUNUSEDPARM(p) p SWIGUNUSED
> # endif
> #endif
> 
> Then, this approach can be used for unused arguments as well as unused
> functions. Currently, I'm getting warnings about PyObject_GetBuffer()
> and PyObject_ReleaseBuffer() being defined and not used (though
> perhaps this should be handled using the 'utilitity_code' way)

Are you using the latest cython-devel? This should have been fixed now.

(The other one is a real problem which I will fix, thanks for the test 
case and report.)

-- 
Dag Sverre