[MacPorts] #39634: gtk3: configure: error: CUPS >= 1.2 not found

[MacPorts]

#39634: gtk3: configure: error: CUPS >= 1.2 not found
--------------------------+-------------------
 Reporter:  ryandesign@…  |      Owner:  cal@…
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.1.3
 Keywords:  tiger         |       Port:  gtk3
--------------------------+-------------------
 gtk3 fails to configure on Tiger, saying CUPS is not found:

 {{{
 checking for GDK_DEP... yes
 checking for ATK... yes
 checking for GTK_DEP... yes
 checking for library containing gethostent... none required
 checking for library containing setsockopt... none required
 checking for library containing connect... none required
 checking for struct sockaddr_un.sun_len... yes
 checking for cups-config... /usr/bin/cups-config
 configure: error: CUPS >= 1.2 not found
 }}}

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Ticket URL: <https://trac.macports.org/ticket/39634>
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