I saw a hint that since xcode has a huge number of files that an active virus checker can seriously impede performance. After several failues to complete I 'paused' clamav's sentry function until the install completed. Honestly, I don't that was what did it or my constant attention over a long time.

I saw a hint that since xcode has a huge number of files that an active virus checker can seriously impede performance. After several failues to complete I 'paused' clamav's sentry function until the install completed. Honestly, I don't know that was what did it or my constant attention over a long time. I am using a 2021 macbook pro. I meant to post this but flubbed it, so doing it again.