[MacPorts] #54755: gtkspell2 @2.0.16_6: fails to build with gtk-doc @1.26

[MacPorts]

#54755: gtkspell2 @2.0.16_6: fails to build with gtk-doc @1.26
--------------------------------+----------------------------
  Reporter:  majoc-at-astro     |      Owner:  kurthindenburg
      Type:  defect             |     Status:  closed
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.4.1
Resolution:  fixed              |   Keywords:
      Port:  gtkspell2 gtk-doc  |
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Comment (by ryandesign):

 As I'm sure you can guess, the port doesn't build when the +docs variant
 is used:

 {{{
 /bin/sh: gtkdoc-mktmpl: command not found
 }}}

 So why did we add the variant?

 This version of gtkspell is from 2009 so I doubt its developers will be
 fixing this problem. I don't see the same problem with gtkspell3 though,
 even if I add `--enable-gtk-doc`, so maybe a fix can be backported.

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Ticket URL: <https://trac.macports.org/ticket/54755#comment:11>
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