I did that already some years ago and imported the sourceforge project into GitHub:
https://github.com/mheyer32/dopus5allamigas
I updated the make files and code to build with Bebbo’s GCC cross compilation toolchain and fixed a few bugs here and there.
There’s also a brand new effort based on GPL instead of APL license called “Galileo”
https://github.com/Hagbard-Celin/galileo
It is targeted at compiling natively via SAS/C, though