Thank you so much everyone for your responses. I finally solved the problem. For some reason, the Development System did not install correctly the first time. I re-installed it and now it compiles...
Well, when just "taking" the 4ge files from one system to another, they do run, but when trying to compile, I get a lot of "Coff to Elf conversion" errors, and even though I installed the whole...
Well, that's what I was trying to avoid because with 5.0.7 even installing the Development System, I can not compile the 4gl files into 4ge files. But it seems that I will have to do that after all....
I have two systems: an old SCO 5.0.5 Openserver (here's the uname -a output):
/# uname -a
SCO_SV munixela 3.2 5.0.5 i386
And a SCO 5.0.7 OpenServer (uname -a output):
/# uname...