ftp://ftp.netlabs.org/pub/gcc/GCC-3.3.5-rc1.zip
GCC is a distribution of the GNU C/C++ compiler suite and associated utilities for the IBM OS/2 platform.
Innotek website for GCC for OS/2:
http://www.innotek.de/products/gccos2/gccos2general_e.html
"If you have any questions regarding the compiler we recommend to join the UnixOS2 mailinglist:
http://unixos2.org/pages/MailingLists.html
There is also a web interface at gmane.org:
http://news.gmane.org/gmane.os.os2.unixos2 "
Source: OS2.jp