# 
regexp=\bgcc\b
colours=yellow
count=more
.........
# 
regexp=^.*?:
colours=red
count=once
.........
# 
regexp=\`\w+\'
colours=green
.........
# -O
regexp=\-O\d 
colours=green
.........
# -o
regexp=\-o\s.+\b
colours=yellow
.........
# warning and error won't work, unless you redirect also
# stderr to grcat 
#
# warning
regexp=warning
colours=yellow
.........
# error
regexp=error
colours=red blink
count=stop