[MacPorts] #17189: tcl 8.5.5 - Add variant for installing the private headers

[MacPorts]

#17189: tcl 8.5.5 - Add variant for installing the private headers
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  Reporter:  krunk7@…     |      Owner:  mww@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  1.6.0
Resolution:               |   Keywords:
      Port:  tcl          |
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Comment (by larryv@…):

 Does anyone have any idea what these problems from over 8 years ago were?
 Many other distributions do include the private headers:
 - [https://github.com/Homebrew/homebrew-
 dupes/blob/d97c17d8af71f33d11a60bfaa46ddd67d9216059/tcl-tk.rb#L51
 Homebrew]
 - [https://packages.debian.org/jessie/amd64/tcl8.6-dev/filelist Debian]
 - [http://www.portagefilelist.de/site/query/listPackageFiles/?do#result
 Gentoo]

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Ticket URL: <https://trac.macports.org/ticket/17189#comment:13>
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