[MacPorts] #42378: Upgrade icon programming language to 9.5.1 and check for X11 existence

[MacPorts]

#42378: Upgrade icon programming language  to 9.5.1 and check for X11 existence
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 Reporter:  t.tensi@…    |      Owner:  macports-tickets@…
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.2.1
 Keywords:  upgrade;X11  |       Port:  icon
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 Dear all,

 I have updated the icon portfile to support the following:
 * icon has been updated to version 9.5.1
 * icon can be built with or without X11 graphics support and this has to
 be configured
 Therefore I have added an x11 variant that switches between the two modes
 of configuration.

 Best regards,
 Thomas

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Ticket URL: <https://trac.macports.org/ticket/42378>
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