TARGET_BASE = 0x77a90000
-TARGET_CFLAGS = -fno-builtin
+TARGET_CFLAGS = -fno-builtin -Werror -Wall
+
+# require os code to explicitly request A/W version of structs/functions
+TARGET_CFLAGS += -D_DISABLE_TIDENTS
TARGET_LFLAGS = -nostdlib -nostartfiles