[MacPorts] #32491: Update root to fix GLEW issue + other minor improvements

[MacPorts]

#32491: Update root to fix GLEW issue + other minor improvements
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 Reporter:  jonesc@…                  |       Owner:  macports-tickets@…                   
     Type:  update                    |      Status:  new                                  
 Priority:  Normal                    |   Milestone:                                       
Component:  ports                     |     Version:  2.0.3                                
 Keywords:  haspatch maintainer       |        Port:  root                                 
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 Main aim is to fix a problem with the opengl variant in the last update,
 when glew isn't compiled with the x11 variant enabled (not the default).
 Fixed by no longer depending on macports GLEW, but instead use ROOTs own
 built-in support. opengl variant is now enabled by default again.

 Also

  - Add some new variants. graphviz and soversion, both enabled by default
 (minor or no dependencies).

  - add the avahi variant for bonjour support. disabled by default.

  - cosmetic changes to the qt4 variants. Still not working properly though
 ...

  - add support for gcc43, with another variant (useful to some, as main
 CERN/LHC compiler at the moment).

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Ticket URL: <https://trac.macports.org/ticket/32491>
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