# Unregisterised stage0 compiler runs way too slow without GCC's
# optimisation. The stage1 (which is also unregisterised) is still
-# slow, but then we have to append CONF_CC_OPTS_STAGE1="-O2" to
-# CONFIGURE_ENV as well.
+# slow, but then we have to append CONF_CC_OPTS_STAGE0="-O2" to
+# CONFIGURE_ARGS as well.
EXTRA_CC_OPTS += -O2