Enable FTS5

This requires linking the mathematical library, libm.

Author: otoolep

sqlite3.go

@@ -16,6 +16,8 @@ package sqlite3
 #cgo CFLAGS: -DHAVE_USLEEP=1
 #cgo CFLAGS: -DSQLITE_ENABLE_FTS3
 #cgo CFLAGS: -DSQLITE_ENABLE_FTS3_PARENTHESIS
+#cgo CFLAGS: -DSQLITE_ENABLE_FTS5
+#cgo LDFLAGS: -lm
 #cgo CFLAGS: -DSQLITE_TRACE_SIZE_LIMIT=15
 #cgo CFLAGS: -DSQLITE_OMIT_DEPRECATED
 #cgo CFLAGS: -DSQLITE_DEFAULT_WAL_SYNCHRONOUS=1