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DOS/4G FAQ, Section 15:
Watcom Compatibility


  1. What versions of Watcom are you compatable with?
  2. Why doesn't my program work with Watcom 11.0 when DOS4GW.EXE is situated in the same directory as the executing program?

1. What versions of Watcom are you compatable with?

We are compatible with versions 10.0, 10.5, 10.6 and 11.0 (but see version 11.0 problem below.) All of these versions use the same DOS/4GW version, 1.97.

If you would like a more modern version of DOS/4GW, check out version 2.01 upgrade.

2. Why doesn't my program work with Watcom 11.0 when DOS4GW.EXE is situated in the same directory as the executing program?

The first argument on the command line is not passed to DOS4GW. This is a bug in the version 11.0 wstub.exe which apparently was caused by a bug in the Watcom 16-bit compiler. Watcom is aware of the problem and now has a downloadable fixed version of wstub.exe.
Users who do not have access to Watcom's site can download a previous version of wstub.exe in the file wstub.zip from our FTP site: ftp.tenberry.com/pub/wstub.zip.


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