Earlier quoted context omitted.
Their instructions for compiling it on Cygwin hints on its dependencies. Looks like a long list, but many of those probably have ports for other plaforms (e.g. Windows). The Wikipedia article says it has been ported to Mac and FreeBSD "based on using local versions of the X11 system". Perhaps these are leads...
Previously when I installed Gambas to Windows with Cygwin, I did not need to build from source. With Cygwin: setup-x86_64.exe --packages gambas3,xinit,xwin-xdg-menu Install from Internet, click Next Root Directory C:\cygwin64 , click Next Select Local Package Directory C:\Users\USERNAME\Downloads - where setup files are downloaded before installing, click Next Select Internet Connection / Direct Connection, click Nex…
Curious to know the experience on the Gambas apps produced in Windows. I guess they would also need Cygwin?