Sublime Text 3 CPP Basic Setup (on Mac).

cpp.sublime-build

{
	"cmd": ["g++", "-Wall", "-ansi", "$file_name", "-o", "${file_base_name}"],
	"file_regex": "^(..[^:]*):([0-9]+):?([0-9]+)?:? (.*)$",
	"working_dir": "${file_path}",
	"selector": "source.c, source.c++, source.cxx, source.cpp",
	"shell": false,
	"variants": [
	    {
	        "name": "Run",
	        "shell": false,
	        "cmd": ["/[PATH_TO]/run_iterm.sh", "${file_path}/${file_base_name}"]
	    }
	]
}

run_iterm.sh

#!/bin/bash

################################################
# https://stackoverflow.com/questions/32675804/how-do-i-execute-a-command-in-an-iterm-window-from-the-command-line
# https://www.iterm2.com/documentation-scripting.html
# Better Examples @ https://gitlab.com/gnachman/iterm2/wikis/Applescript
################################################

osascript - "$@" <<EOF
on run argv
tell application "iTerm"
    activate
    set new_term to (create window with default profile)
    tell new_term
        tell the current session
            repeat with arg in argv
               write text arg
            end repeat
        end tell
    end tell
end tell
end run
EOF