esp32/Makefile: Add correct arch to MPY_CROSS_FLAGS for native code.
@@ -276,6 +276,9 @@ COPT += -Os -DNDEBUG
#LDFLAGS += --gc-sections
endif
+# Options for mpy-cross
+MPY_CROSS_FLAGS += -march=xtensawin
+
# Enable SPIRAM support if CONFIG_ESP32_SPIRAM_SUPPORT=y in sdkconfig
ifeq ($(CONFIG_ESP32_SPIRAM_SUPPORT),y)
CFLAGS_COMMON += -mfix-esp32-psram-cache-issue
