[MacPorts] #29838: Use -headerpad_max_install_names in default configure.ldflags so that install_name_tool can relocate libraries

[MacPorts]

#29838: Use -headerpad_max_install_names in default configure.ldflags so that
install_name_tool can relocate libraries
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  Reporter:  gellule.xg@…  |      Owner:  macports-tickets@…
      Type:  enhancement   |     Status:  closed
  Priority:  Normal        |  Milestone:  MacPorts Future
 Component:  base          |    Version:  1.9.2
Resolution:  fixed         |   Keywords:
      Port:                |
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Comment (by frederic.devernay@…):

 Note that it helps a lot when building a distributable app that uses
 MacPorts libraries, or libraries that use lots of plugins (e.g.
 ImageMagick).
 The "macdeployqt" utility from qt4-mac does this kind of job, but only
 deals with Qt libraries and plugins.
 I had to locally modify ports to make it possible, and I'm happy if it
 gets integrated in the next release.

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Ticket URL: <https://trac.macports.org/ticket/29838#comment:10>
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