[Cython] Error when using Intel icl compiler on Windows

[Vitja Makarov]

2011/9/13 Robert Bradshaw <robertwb at math.washington.edu>:
> On Mon, Sep 12, 2011 at 7:19 PM, Lisandro Dalcin <dalcinl at gmail.com> wrote:
>> On 9 September 2011 05:26, Robert Bradshaw <robertwb at math.washington.edu> wrote:
>>> Does it work with icc if you replace
>>>
>>>  #   define CYTHON_UNUSED __attribute__ ((__unused__))
>>>
>>> with
>>>
>>>  #   define CYTHON_UNUSED __attribute__ ((unused))
>>>
>>> ?
>>>
>>>
>>> On Fri, Sep 9, 2011 at 12:28 AM, Christoph Gohlke <cgohlke at uci.edu> wrote:
>>>> Hello,
>>>>
>>>> compiling Cython 0.15 generated C code on Windows using the Intel Compiler
>>>> 11.1 icl.exe results in an "expected a type specifier" error.
>>>>
>>>> For example:
>>>>
>>>> /* "numpy.pxd":190
>>>>  *         # experimental exception made for __getbuffer__ and
>>>> __releasebuffer__
>>>>  *         # -- the details of this may change.
>>>>  *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):
>>>>         # <<<<<<<<<<<<<<
>>>>  *             # This implementation of getbuffer is geared towards Cython
>>>>  *             # requirements, and does not yet fullfill the PEP.
>>>>  */
>>>>
>>>> static CYTHON_UNUSED int __pyx_pf_5numpy_7ndarray___getbuffer__(PyObject
>>>> *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
>>>>       ^
>>>> Error: expected a type specifier.
>>>>
>>>> The problem is the definition of CYTHON_UNUSED.
>>>>
>>>> Please consider the attached patch. It works for me but maybe the problem is
>>>> icl version specific, not Windows specific.
>>>>
>>
>> Robert, could you apply this patch?
>
> Done. I'm still wondering if it's broken for __INTEL_COMPILER
> non-windows, but don't have any way to test it out.
>

Maybe  __attibute__((unused)) is gcc compat option and is disabled on
windows systems by default.



-- 
vitja.