[MacPorts] #28162: mlt @0.5.10, Revision 1 fails to compile with "Undefined symbols: "_libiconv_close", referenced from:" _iconv_utf8 in producer_pango.o

[MacPorts]

#28162: mlt @0.5.10, Revision 1 fails to compile with "Undefined symbols:
"_libiconv_close", referenced from:" _iconv_utf8 in producer_pango.o
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 Reporter:  mail@…               |       Owner:  dan@…          
     Type:  defect               |      Status:  new            
 Priority:  Normal               |   Milestone:                 
Component:  ports                |     Version:  1.9.2          
 Keywords:                       |        Port:  mlt            
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Comment(by ryandesign@…):

 The problem does not appear if using mlt's +no_x11 variant. "-lintl" only
 seems to appear by virtue of mlt asking pkg-config for pango's, glib2's,
 and gtk2's lib flags. These all only list -lintl, and not -liconv (which
 -lintl requires). So I'm not certain that this isn't actually a bug in the
 pango, glib2 and gtk2 ports' pkg-config files.

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Ticket URL: <https://trac.macports.org/ticket/28162#comment:3>
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