[MacPorts] #34345: blt port doesn't supply graph commands

[MacPorts]

#34345: blt port doesn't supply graph commands
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 Reporter:  darius@…            |       Owner:  macports-tickets@…                   
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  2.0.4                                
 Keywords:                      |        Port:  blt                                  
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 It appears BLT rejects Tk because it is setting exact in Tcl_PkgRequire.
 There is a patch to not set this flag for Tcl but it needs to be done for
 Tk as well.

 This is easily done by patching the top of the file to change EXACT to 0.

 Before this change 'package require BLT' does not supply graph and other
 GUI widgets.

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Ticket URL: <https://trac.macports.org/ticket/34345>
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