Created attachment 217761 [details] port's Makefile patch flow-tools failed to compile due to postgresql dependency which is enabled by default even if not set in port options. Solution is to use --with-postgresql=no for configure when PGSQL is off. Patch for the port's Makefile attached.
*** Bug 249388 has been marked as a duplicate of this bug. ***
Closing this one and working on the other one. *** This bug has been marked as a duplicate of bug 249388 ***