[ET Trac] [Einstein Toolkit] #455: Sort link directories so that system directories come last

[Einstein Toolkit]

#455: Sort link directories so that system directories come last
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 Reporter:  eschnett  |       Owner:     
     Type:  defect    |      Status:  new
 Priority:  major     |   Milestone:     
Component:  Cactus    |     Version:     
 Keywords:            |  
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 The enclosed patch ensures (makes it more likely) that external libraries
 provided by Cactus ("ExternalLibraries") supersede system libraries. The
 underlying problem is that all library search paths specified via -L are
 concatenated on the final link line, and if different versions of the same
 library exist, it is then difficult to ensure that that right one is used.

 The enclosed patch sorts the directories in final link line such that
 system directories (in particular /opt/local) come last, so that Cactus's
 directories come first.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/455>
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