recommended practice for handling mutually exclusive port knobs

Sam Lawrance boris at
Wed Jun 23 09:13:20 PDT 2004

I have WITHOUT_PGSQL_EXTNS and WITH_LWGEOM which can't be specified
together (specifically WITH_LWGEOM needs the other to be undefined).

If they are, should I use a .error directive to tell the user to
undefine one?


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