Ticket #24684: Portfile-postgresql84 using variants.diff

Portfile

@@ -4 +4 @@
 
 name                    postgresql84
 version                 8.4.3
+revision                1
 categories              databases
 platforms               darwin
 maintainers             mww jwa
@@ -112 +113 @@
         configure.env-append            TCLSH=${prefix}/bin/tclsh
 }
 
+variant earthdistance description {add earthdistance contrib module} {
+        set contribs "${contribs} cube earthdistance"
+}
+
 post-install {
         ui_msg "\nTo use the postgresql server, install the postgresql84-server port"
 }