[MacPorts] #61146: gobject-introspection does not build

[MacPorts]

#61146: gobject-introspection does not build
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  Reporter:  AgilentGCMS            |      Owner:  (none)
      Type:  defect                 |     Status:  new
  Priority:  Normal                 |  Milestone:
 Component:  ports                  |    Version:
Resolution:                         |   Keywords:
      Port:  gobject-introspection  |
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Comment (by iefdev):

 Replying to [ticket:61146 AgilentGCMS]:
 > Hello,
 >
 > I recently tried updating my ports with `port selfupdate` and `port
 upgrade outdated`. It bailed trying to build gobject-introspection.

 {{{
 :info:build dyld: Library not loaded:
 /Users/sbasu1/packages/macports/lib/libffi.6.dylib
 :info:build   Referenced from:
 /Users/sbasu1/packages/macports/libexec/llvm-9.0/lib/libLLVM.dylib
 }}}

 Yes, there was a big change the other day (see #61132) about with
 `libffi`. Try to make sure your `clang-9.0` is updated/reinstalled. All
 have been rev-bumped so you should've recieved an update.

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Ticket URL: <https://trac.macports.org/ticket/61146#comment:1>
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