[packages/python] Prevent pyconfig.h conflicts on multiarch systems

[Jacek Konieczny]

On 2015-12-01 23:19, Elan Ruusamäe wrote:
> On 01.12.2015 19:49, jajcus wrote:
>>      The hack is to have architecture-specific pyconfig-*.h files and
>> a ghost
>>      symlink updated with python-devel install. I hope this works.
>
> a cleaner way is to install wrapper header file which based on
> preprocessor variables includes proper arch specific file
> no triggers, no scriptlets, no ghosts.

…and new compatibility problems with all the Python world,

> and if the file is identical on both multilib packages, rpm will happily
> install it without complaining
>
> so, it would be something like:
>
> #if X86_64
> #include "py-x86_64.h"
> #elseif IX86
> #include "py-ix86.h"
> #else
> #error unsupported arch
> #endif

How would you convince python library to parse this file correctly? 
Another PLD-specific Python patch, which would cause many standard 
Python packages to fail?

My solution is not pretty, but doesn't change a thing from the Python 
perspective.

Jacek