Command line tools pre-requisite missing from install instructions

[MiBiT-Discuss]

One needs Apple Command Line Tools installed prior for this alternative install to work. That should probably be part of instructions as brew was quite vague on that detail, until I tried an uninstallation. xcode-select --install is sufficient. Note that at least in my case, I had to manually move to the installer window that was in the background. After installation has concluded you need to accept the license: sudo xcodebuild -license accept