icepack(1) on Linux
The text 571f886402bf, as Debian 11 (Bullseye) shipped it.
Packs readable .txt file description of a Lattice FPGA into binary bitstreams
Flags it lists
-
-B0 -
-B1 -
-B2 -
-B3 -
-b -
-c -
-f -
-r -
-u -
-v