[MacPorts] #52980: incorrect name in dependency list for vtk5

[MacPorts]

#52980: incorrect name in dependency list for vtk5
-----------------------+--------------------
  Reporter:  srobertp  |      Owner:
      Type:  defect    |     Status:  closed
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.5
Resolution:  invalid   |   Keywords:
      Port:  vtk5      |
-----------------------+--------------------
Changes (by ryandesign):

 * cc: ryandesign (added)
 * status:  new => closed
 * resolution:   => invalid


Comment:

 The vtk5 port has a variant called "qt4_mac". It adds a dependency on the
 port named "qt4-mac". This is fine and not a problem.

 The variant cannot be named "qt4-mac" because the "-" symbol is not
 allowed in variant names because MacPorts uses that symbol to indicate the
 desire to disable a variant (just as the symbol "+" is used to indicate
 the desire to enable a variant).

 There is no bug here. Install vtk5 with its +qt4_mac variant if you want
 to do whatever it is you were doing that caused that error message to
 appear.

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Ticket URL: <https://trac.macports.org/ticket/52980#comment:2>
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