checking for swig variants in a pre-fetch hook

[Jyrki Wahlstedt]

On 4.7.2008, at 21.22, Ryan Schmidt wrote:

> On Jul 4, 2008, at 12:08, Landon Fuller wrote:
>
>> On Jul 3, 2008, at 11:25 PM, Adam Mercer wrote:
>>
>>> The recent changes to the swig port have broken the scipy build on
>>> Tiger, essentially the problem is that scipy requires the python
>>> variant of swig to be installed.
>>
>> Swig's variants:
>> 	swig 1.3.36, devel/swig (Variants: universal, doc, python, perl,  
>> gcj, guile, mzscheme, ruby, php4, ocaml, pike, lua, chicken,  
>> allegro, clisp, r)
>>
>> Why not enable some of these by default? Having none of them  
>> enabled makes swig useless, seems like defaulting to:
>> 	- python
>> 	- perl
>> 	- ruby
>> 	- php4
>>
>> Would be a good start.
>
> Why is there a php4 variant but not a php5 variant?
>
> Enabling php4 by default would cause all swig users to have to  
> install php4. php4 is pretty much obsolete. The last normal release  
> of php4 was made 2008-01-03 and after 2008-08-08 there will be no  
> more releases of php4 at all. php5 is the current version. php5 and  
> php4 cannot be installed at the same time (with the way the ports  
> are set up currently).
>
>
Hi,
this is definitely something that has to be taken care of. I'll look  
into it asap.

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