byacc(1) on Linux
The text 43b23d015b92, as Debian 12 (Bookworm) shipped it.
an LALR(1) parser generator
Flags it lists
-
-B -
-H -
-L -
-P -
-V -
-b -
-d -
-g -
-h -
-i -
-l -
-o -
-p -
-r -
-s -
-t -
-v -
-y