--- /dev/null
+ifndef TOPDIR
+TOPDIR=..
+endif
+
+include $(TOPDIR)/Makefile.defs
+
+vpath % $(TOPDIR)/stm:$(AO_VPATH)
+
+CC=$(ARM_CC)
+LIBS=-L$(NEWLIB_NANO)/arm-none-eabi/lib/thumb/v7-m -lm -lc -lgcc
+
+STM_CFLAGS=-mlittle-endian -mcpu=cortex-m3 -mthumb \
+ -I$(TOPDIR)/stm $(AO_CFLAGS) $(NEWLIB_CFLAGS)