[MacPorts] #40228: cmake: add FindLua52.cmake

[MacPorts]

#40228: cmake: add FindLua52.cmake
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  Reporter:  mojca@…      |      Owner:  css@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  cmake wxLua  |
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Comment (by css@…):

 The upstream bug for this is http://www.cmake.org/Bug/view.php?id=14224
 and it looks like the implementation may be somewhat different. I would
 prefer to wait for the upstream 2.8.12 release.

 That is, unless the generalized version-agnostic
 [http://cmake.org/gitweb?p=cmake.git;a=blob_plain;f=Modules/FindLua.cmake;hb=89cfa2005207ae9423d7a200cd22ed62ff733161
 FindLua.cmake] works with 2.8.11. Could one of you who uses Lua see if it
 does?

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Ticket URL: <https://trac.macports.org/ticket/40228#comment:1>
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