[MacPorts] #30328: Enable variants for specific ports in variants.conf

[MacPorts]

#30328: Enable variants for specific ports in variants.conf
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 Reporter:  ionic@…         |       Owner:  macports-tickets@…                   
     Type:  enhancement     |      Status:  new                                  
 Priority:  Low             |   Milestone:                                       
Component:  base            |     Version:                                       
 Keywords:                  |        Port:                                       
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Comment(by ryandesign@…):

 Replying to [comment:4 ionic@…]:
 > Yes, but port installed takes "ages" to process (~2 seconds on my
 machine), whereas grep variants.conf is "instant". :)

 "port installed" used to take ages (minutes) but this was dramatically
 improved to now only take seconds. I think this is completely acceptable
 performance.

 > That may be true, but while we have it, why not improve this feature's
 handling? :)

 From what I understand this would make MacPorts more similar to Gentoo
 Portage, but I am not yet convinced it would be an improvement.

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Ticket URL: <https://trac.macports.org/ticket/30328#comment:5>
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