* Also renames resources/environment.sh to resources/build/mac/xcode-environment.inc.sh.
* Adds a few more exclusions to linux/scripts/dist.sh
Fixes: #14478
Test-bot: skip
Build-bot: build
Move mac-specific build scripts and functions into our established
patterns for scripts under resources/build:
* new mac/mac.inc.sh for mac-specific functions, from mac-utils.inc.sh,
utils.inc.sh, builder-basic.inc.sh
* move other mac-specific scripts into mac/
Relates-to: #14065
Build-bot: build
Test-bot: skip