[MacPorts] #34854: Update ROOT to new 5.34.00 production series

[MacPorts]

#34854: Update ROOT to new 5.34.00 production series
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 Reporter:  jonesc@…                  |       Owner:  macports-tickets@…                   
     Type:  update                    |      Status:  new                                  
 Priority:  Normal                    |   Milestone:                                       
Component:  ports                     |     Version:  2.1.1                                
 Keywords:  haspatch maintainer       |        Port:  root                                 
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Comment(by jonesc@…):

 Third time lucky maybe....

 I've update the patch so the cocoa variant no longer forces the use of the
 clang31 variant, and instead checks to see if a clang compiler is being
 used, and if not prints an error and returns. In the end I didn't make the
 variant conflict with the gcc ones, as the clang check is enough, and
 otherwise the user would't get the message.

 I've also cleaned up how I check for clang compilers elsewhere, to hope
 catch *any* clang compiler, and also fixed a small issue where the 'root'
 command wasn't created if the cocoa backend is used. I just sum link
 root.exe to root. The ROOT devs are aware of this one, so it will get
 fixed at some point.

 Chris

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Ticket URL: <https://trac.macports.org/ticket/34854#comment:5>
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