[MacPorts] #71516: nvtop: fix for earlier systems

[MacPorts]

#71516: nvtop: fix for earlier systems
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  Reporter:  barracuda156  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.10.5
Resolution:                |   Keywords:
      Port:  nvtop         |
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Description changed by barracuda156:

Old description:

> May not be fixable for really old systems, but:
>
> 1. Needs `legacysupport` for `clock_gettime`.
> 2. Needs this fix for `get_process_info_mac.c`:
> https://trac.macports.org/attachment/ticket/38588/osdep-darwin.c.diff
> 3. Needs some fix for `extract_gpuinfo_apple.m`.

New description:

 May not be fixable for really old systems, but:

 1. Needs `legacysupport` for `clock_gettime`.
 2. Needs this fix for `get_process_info_mac.c`:
 https://trac.macports.org/attachment/ticket/38588/osdep-darwin.c.diff
 3. Needs some fix for `extract_gpuinfo_apple.m`.

 UPD. Re 3: https://github.com/Syllo/nvtop/issues/342

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Ticket URL: <https://trac.macports.org/ticket/71516#comment:1>
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