Bison version 3.0.4 and GNU AWK version 4.1.4 have been ported (10/23/2014) to OS/2. These are programmer's tools that are prevalent on Unix platforms.
This version was updated by KO Myung-Hun. If you would like to support KO Myung-Hun you can make a donation at his website.
By: KO Myung-Hun
Source: eCSoft/2