At least some years ago, you could build GCC on MSVC just fine. (Did it for GCC 3.3 and 4.2 on Interix way back then) It should probably be still functional, o

At least some years ago, you could build GCC on MSVC just fine. (Did it for GCC 3.3 and 4.2 on Interix way back then) It should probably be still functional, or easily fixed if not.