--- /dev/null
+--- kismet-2021-05-R1/configure.ac~ 2021-05-20 00:58:52.000000000 +0200
++++ kismet-2021-05-R1/configure.ac 2022-03-27 20:38:53.095863552 +0200
+@@ -209,9 +209,6 @@
+
+ AC_SUBST(PLUGINLDFLAGS)
+
+-CXXFLAGS="$CXXFLAGS -O3"
+-CFLAGS="$CFLAGS -O3"
+-
+ if test "$cygwin" = "yes"; then
+ AC_MSG_CHECKING(cygwin compile flags)
+ AC_MSG_RESULT(__MINGW32__)