[MacPorts] #57061: glib2 @2.56.2: won't build +universal if libgcc7 installed. Error is: "No iconv() implementation found in C library or libiconv"

[MacPorts]

#57061: glib2 @2.56.2: won't build +universal if libgcc7 installed. Error is: "No
iconv() implementation found in C library or libiconv"
---------------------+---------------------------
  Reporter:  kencu   |      Owner:  ryandesign
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:  tiger leopard
      Port:  glib2   |
---------------------+---------------------------

Comment (by kencu):

 Again this shows up on the last update. I have deleted the symlink
 {{{
 ${prefix}/lib/libstdc++.6.dylib
 }}}
 and will see if there are any issues that show up doing that over time. It
 does fix the libiconv() error, and glib2 builds.

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Ticket URL: <https://trac.macports.org/ticket/57061#comment:4>
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