[Cython] Issues with CYTHON_FALLTHROUGH

[Lisandro Dalcin]

Folks, let me fix the the  CYTHON_FALLTHROUGH the right way.
Additionally, I'll extend the Travis-CI build matrix with python 2/3
and a couple of xcode images.

On 14 October 2017 at 01:22, Stefan Behnel <stefan_ml at behnel.de> wrote:
> Lisandro Dalcin schrieb am 13.10.2017 um 21:42:
>> This is from a conda-forge build of petsc4py on Travis-CI with
>> "osx_image: xcode6.4"
>>
>> https://travis-ci.org/conda-forge/petsc4py-feedstock/jobs/287563030
>>
>>
>> Maybe a better definition is the one below?
>>
>>   #ifndef CYTHON_FALLTHROUGH
>>     #if defined(__clang__) && __has_attribute(fallthrough)
>>       #define CYTHON_FALLTHROUGH __attribute__((fallthrough))
>>     #elif defined(__GNUC__) && defined(__attribute__)
>>       #define CYTHON_FALLTHROUGH __attribute__((fallthrough))
>>     #else
>>       #define CYTHON_FALLTHROUGH
>>     #endif
>>   #endif
>
> Applied it here:
>
> https://github.com/cython/cython/commit/207d694ac2a580f02b28e216d0843308f5ad129b
>
> Stefan
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-- 
Lisandro Dalcin
============
Research Scientist
Computer, Electrical and Mathematical Sciences & Engineering (CEMSE)
Extreme Computing Research Center (ECRC)
King Abdullah University of Science and Technology (KAUST)
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