<parameter>CPPFLAGS="-DSQLITE_ENABLE_COLUMN_METADATA=1 ... </parameter>: Some applications require these options to be turned on.The only way to do this is to include them in the <envar>CFLAGS</envar> or <envar>CPPFLAGS</envar>.We use the latter so the default value (or any value set by the user)of <envar>CFLAGS</envar> won't be affected.For further information on what can be specified see <ulink url="https://www.sqlite.org/compile.html"/>.
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