[ET Trac] [Einstein Toolkit] #1006: ExternalLibraries' configure.sh scripts handle /usr inconistently

[Einstein Toolkit]

#1006: ExternalLibraries' configure.sh scripts handle /usr inconistently
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  Reporter:  rhaas                  |       Owner:                   
      Type:  defect                 |      Status:  new              
  Priority:  minor                  |   Milestone:                   
 Component:  EinsteinToolkit thorn  |     Version:                   
Resolution:                         |    Keywords:  ExternalLibraries
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Comment (by rhaas):

 I was only thinking of -I (and -isystem) since there seems to be no
 similar logic for -L documented in gcc. My comment was not really clear
 about this, sorry. Since it fails for both "lib" and "include" dirs on
 homebrew, the comment evolved as I went along in making it work for me. So
 it seems that for "include" on can (using gcc) safely use -I but one
 cannot use -L for "lib" for the reasons Erik outlined.

 LIBDIRS and SYS_INC_DIRS seem like better solutions though, so I have
 updated my changes for osx-yosemite-homebrew to instead use them. They
 will make homebrew look a little bit more like a Linux system.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1006#comment:9>
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