[MacPorts] #58578: cmake fails to compile on Leopard (lround)

[MacPorts]

#58578: cmake fails to compile on Leopard (lround)
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  Reporter:  rmottola  |      Owner:  michaelld
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  leopard i386 legacy
      Port:  cmake     |
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Comment (by kencu):

 terrible terrible terrible few weeks for me too. Looks like the issue is
 the compiler can't decide whether to use the float or the double of
 `lround`. presumable we need to force it with a `d` or and `f`, but I have
 no idea why it's showing up there.

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Ticket URL: <https://trac.macports.org/ticket/58578#comment:4>
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