[69423] trunk/dports/tex/rubber/Portfile

[Jeremy Lavergne]

>> Yes, marking variants as conflicting with one another will prevent the user from choosing more than one of them at the same time. So you want to write:
>> 
>> variant python24 conflicts python25 python26 python27 description {Use python 2.4} {
>>       depends_lib-append      port:python24
>>       configure.args-append   --python=${prefix}/bin/python2.4
>> }
>> 
>> ...
>> 
>> As for default variants, you want to write:
>> 
>> if {![variant_isset python24] && ![variant_isset python25] && ![variant_isset python26] && ![variant_isset python27]} {
>>       default_variants +python26
>> }
> 
> or, instead of that giant ever-growing if statement that needs to be updated whenever you add a new python version variant - just have the main part of the port depend on (and configure with) python26, then each variant can just remove the python26 dependency/configure arg and substitute their own.

Sadly, you might find yourself needing to do reinplace on several files that use "/usr/bin/env python" or have "/usr/bin/python".

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