--- configure.orig	2021-06-04 03:21:11 UTC
+++ configure
@@ -12814,7 +12814,7 @@ if test -z "$GCC"; then
 		;;
         *)
                 DEBUG="-g"
-                CFLAGS="-O"
+                CFLAGS=""
                 PROFILE="-g -p"
 		;;
         esac
@@ -12837,8 +12837,8 @@ else
 		;;
         *)
                 DEBUG="-g -Wall -fsigned-char"
-                CFLAGS="-O2 -fsigned-char"
-                PROFILE="-O2 -g -pg -fsigned-char"
+                CFLAGS="-fsigned-char"
+                PROFILE="-g -pg -fsigned-char"
 		;;
         esac
 fi