[MacPorts] #52459: xQuartz fails to start when ports installed

[MacPorts]

#52459: xQuartz fails to start when ports installed
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  Reporter:  whitegr@…  |      Owner:  jeremyhu@…
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.3.4
Resolution:             |   Keywords:
      Port:             |
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Changes (by ryandesign@…):

 * owner:  macports-tickets@… => jeremyhu@…


Old description:

> On fresh install of OSX 10.12, followed macports migrate instructions for
> fresh install of macports and uninstalled all ports.
> xQuartz runs fine. Then install one port (e.g. xterm), and I seem to get
> conflicts with the system libraries: now xQuartz no longer runs:
>
> dyld: Symbol not found: __cg_png_create_info_struct
>   Referenced from:
> /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
>   Expected in: /opt/local/lib/libPng.dylib
>  in /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
> Abort trap: 6

New description:

 On fresh install of OSX 10.12, followed macports migrate instructions for
 fresh install of macports and uninstalled all ports.
 xQuartz runs fine. Then install one port (e.g. xterm), and I seem to get
 conflicts with the system libraries: now xQuartz no longer runs:

 {{{
 dyld: Symbol not found: __cg_png_create_info_struct
   Referenced from:
 /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
   Expected in: /opt/local/lib/libPng.dylib
  in /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
 Abort trap: 6
 }}}

--

Comment:

 This suggests that the `DYLD_LIBRARY_PATH` environment variable is set.
 Have you done that deliberately, perhaps in your shell startup file
 (~/.profile)? If so, remove that environment variable.

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Ticket URL: <https://trac.macports.org/ticket/52459#comment:1>
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