Duke was originally written with the Watcom 10.0 C/C++ compiler. This code has been updated to allow it to compile under the free version of the Watcom compiler available from their webpage (
http://www.openwatcom.org).
里面有说明文档,中间说到上面这段英文。意思是:Duke最初是用Watcom 10.0编译的,但是2003年发行的源码已经升级到可以用免费版本的Watcom编译,这个免费版本的编译器可以到
http://www.openwatcom.org网站下载。