--- configure.in.orig	2022-10-13 14:15:40 UTC
+++ configure.in
@@ -51,7 +51,6 @@ if test "$GCC" = yes; then
             AC_MSG_CHECKING([whether $CC supports $f])
             if $CC -E $f /dev/null > /dev/null 2>&1 ; then
                 AC_MSG_RESULT([yes])
-                CFLAGS="$CFLAGS $f"
             else
                 AC_MSG_RESULT([no])
             fi