openwatcom comiler is missing on linux 64. in the list of compilers. Installing 20.03 (32 Bit) on wine shows openwatcom in the list of compilers. I'm on Fedora 39 using codeblocks-20.03-18.20230124svn13161.fc39.x86_64.
Openwatcom is installed and works fine.
OpenWatcom is loaded only if the platform is Windows (or Wine):
Is there a native OpenWatcom for Linux?
https://github.com/open-watcom/open-watcom-v2/discussions/830