build: make the complain mode faster to enable.

configure

@@ -112,18 +112,39 @@ flags() {
 	done
 }
 
-# Set complain flag on all profile (Dev only)
-complain() {
-	_msg "Set complain flag on all profiles"
-	for path in "${ROOT:?}/apparmor.d/"*; do
-		[[ -d "$path" ]] && continue
+# Internal complain process
+_complain() {
+	local start="$1" end="$2"; shift 2
+	files=("$@")
+	ii="$start"
+	while [[ $ii -le $end && $ii -lt $len ]]; do
+		path="${files[$ii]}"
+		(( ii = ii + 1 ))
+		[[ -f "$path" ]] || continue
 		flags="$(grep -o -m 1 'flags=(.*)' "$path" | cut -d '(' -f2 | cut -d ')' -f1)"
 		[[ "$flags" =~ complain ]] && continue
-		echo -n .
 		sed -e "s/flags=(.*)//" \
 			-e "s/ {$/ flags=(complain $flags) {/" \
 			-i "$path"
 	done
+}
+
+# Set complain flag on all profile (Dev only)
+complain() {
+	local len nprof nproc
+	_msg "Set complain flag on all profiles"
+  	mapfile -t files < <(find "${ROOT:?}/apparmor.d" -type f)
+	len="${#files[@]}"
+	nproc=$(nproc)
+	(( nprof = len/nproc + 1 ))
+	start=0
+	end=$nprof
+	for ((ii = 0 ; ii < nproc ; ii++)); do
+		_complain $start $end "${files[@]}" &
+		(( start = end + 1 ))
+		(( end = end + nprof ))
+	done
+	wait
 	echo
 }