[MacPorts] #27618: subversion links to previous install

[MacPorts]

#27618: subversion links to previous install
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 Reporter:  michaelld@…             |       Owner:  dluke@…           
     Type:  defect                  |      Status:  assigned          
 Priority:  Normal                  |   Milestone:                    
Component:  ports                   |     Version:  1.9.2             
 Keywords:  haspatch                |        Port:  subversion        
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Comment(by michaelld@…):

 Replying to [comment:8 ryandesign@…]:
 > MacPorts already sets CPATH and LIBRARY_PATH for you.

 Yes, that's true, and by default too.  Which continues to make me wonder
 why -L${prefix}/lib is in LDFLAGS and -I${prefix}/include is in CPPFLAGS
 by default.  By now, I'd assume those would be set only when necessary
 because the port's build system doesn't honor CPATH or LIBRARY_PATH
 somehow.  In my upgrading from non-universal to universal, almost every
 port I've upgraded requires me to remove those flags so-as to not
 reference the already-installed headers and libraries.

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Ticket URL: <https://trac.macports.org/ticket/27618#comment:10>
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