I need XCode to build software for iOS and OSX, and there isn't to my knowledge any other feasible, performant and off-line capable way to do that beside runnin

I need XCode to build software for iOS and OSX, and there isn't to my knowledge any other feasible, performant and off-line capable way to do that beside running OSX on a Mac. This is the only reason I had to move away from (arch) linux and it saddens me every day.