  export CPPFLAGS="$CPPFLAGS -DSQLITE_ENABLE_COLUMN_METADATA=1 \
                             -DSQLITE_ENABLE_UNLOCK_NOTIFY \
                             -DSQLITE_ENABLE_DBSTAT_VTAB=1 \
                             -DSQLITE_ENABLE_FTS3_TOKENIZER=1 \
                             -DSQLITE_SECURE_DELETE \
                             -DSQLITE_MAX_VARIABLE_NUMBER=250000 \
                             -DSQLITE_MAX_EXPR_DEPTH=10000"

  # build sqlite
  cd sqlite-src-3280000
  ./configure --prefix=/usr \
	--disable-static \
	--disable-amalgamation \
	--enable-fts3 \
	--enable-fts4 \
	--enable-fts5 \
	--enable-rtree \
	--enable-json1 \
	TCLLIBDIR=/usr/lib/sqlite$surum
  make
  # build additional tools
  make showdb showjournal showstat4 showwal sqldiff sqlite3_analyzer