icepack(1) on Linux
The text 06b7eab5e760, as Debian 9 (Stretch) 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