On Fri, 18 Jun 2021 at 11:44, Paul Dufresne via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > Goal: compile DOS 32 bits program in Linux because many scripts use bash Please clarify. Are you trying to compile DOS programs to run on linux? Or just compile them on linux, to be run on Windows machines? > Not sure I am on the right track. I think you are on completely the wrong track, but you haven't told us how you even configured GCC so we can't really say much about the rest of the errors you showed.