Adventures in ports, chapter 364135

[george+freebsd at m5p.com]

> It would be nice for devel/qt5 to have a more granular database option
> than the all-in-one; something like:
> 
> OPTIONS_DEFINE= SQL_IBASE SQL_MYSQL SQL_ODBC SQL_POSTGRES SQL_SQLITE2 \
>                 SQL_SQLITE3 TOOLS
> SQL_PLUGINS_USE=
> .if ${PORT_OPTIONS:MIBASE}
> SQL_PLUGINS_USE=sql-ibase
Of course, this should have said "SQL_PLUGINS_USE+=sql-ibase" (etc.).
> .endif
> [...]