run: use getopt

gem5-bench-cache

@@ -2,17 +2,20 @@
 . "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common"
 common_gem5=true
 generate_checkpoints=true
-while getopts "C${common_getopts_flags}" OPT; do
-  case "$OPT" in
-    C)
+
+parsed=$(getopt -o "C${common_getopt_flags}" -l "$common_getopt_flags_long" -- "$@")
+eval set -- "$parsed"
+while true; do
+  case "$1" in
+    -C)
       generate_checkpoints=false
+      shift
       ;;
-    ?)
-      common_getopts_case "$OPT"
+    *)
+      common_getopt_case "$@"
       ;;
   esac
 done
-shift "$(($OPTIND - 1))"
 common_setup
 
 # Vars