[MacPorts] #18629: Support RTree in sqlite3 port

[MacPorts]

#18629: Support RTree in sqlite3 port
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 Reporter:  dbsgeo@…               |       Owner:  macports-tickets@…                   
     Type:  enhancement            |      Status:  new                                  
 Priority:  Normal                 |   Milestone:  Port Enhancements                    
Component:  ports                  |     Version:  1.7.0                                
 Keywords:  mapnik, sqlite3,rtree  |        Port:                                       
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 It would be great if this could be enabled in the standard sqlite3 port,
 as a Portfile for Mapnik (http://mapnik.org) I am working on depends on
 RTree support.

 The configure.cppflags would become:

 {{{
 configure.cppflags      "-DSQLITE_ENABLE_RTREE=1
 -DSQLITE_ENABLE_COLUMN_METADATA=1 -I${worksrcpath} -I${prefix}/include"
 }}}

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Ticket URL: <http://trac.macports.org/ticket/18629>
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