[MacPorts] #69992: port:cctools : also build libmacho

[MacPorts]

#69992: port:cctools : also build libmacho
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 Reporter:  RJVB         |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:  haspatch     |       Port:  cctools
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 A suggestion for a small but potentially useful enhancement on older
 systems: let `port:cctools` also install an up-to-date `libmacho.dylib`.

 Potential use at least in a future version of `port:cmake` as CMake is set
 to gain an internal UB architecture detection algorithm, as a replacement
 of parsing the output of `lipo -info`.

 There's probably little real need to control this feature via a variant
 but I used one anyway "just in case".

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Ticket URL: <https://trac.macports.org/ticket/69992>
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