After much reading of tutorials, mishaps, and so on, I managed to download the source, and compile it.
I managed to get the game running, build my first base, sell some stuff and build a lab...
However when I press the "Aircraft" button, it tells me I don't have any aircraft, with the options buy, produce or cancel. Pressing on buy shows me that yeah I have both an interceptor and a dropship... however I cannot get to the aircraft screen due to this bug, so I cannot equip the crafts, assign or equip soldiers, etc.
Did I mess up when compiling, or is this a just bug? I compiled with the prepackaged codeblocks compiler, set all paths as instructed, opened the ufo_workplace, and it compiled without errors.
Currently compiling maps... not exactly a fast process...