diff --git a/otafault/Android.mk b/otafault/Android.mk
index 7468de6..75617a1 100644
--- a/otafault/Android.mk
+++ b/otafault/Android.mk
@@ -1,10 +1,10 @@
-# Copyright 2015 The Android Open Source Project
+# Copyright 2015 The ANdroid Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
-#      http://www.apache.org/licenses/LICENSE-2.0
+# 	   http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -14,30 +14,45 @@
 
 LOCAL_PATH := $(call my-dir)
 
+empty :=
+space := $(empty) $(empty)
+comma := ,
+
+ifneq ($(TARGET_INJECT_FAULTS),)
+TARGET_INJECT_FAULTS := $(subst $(comma),$(space),$(strip $(TARGET_INJECT_FAULTS)))
+endif
+
 include $(CLEAR_VARS)
 
-otafault_static_libs := \
-    libminzip \
-    libz \
-    libselinux \
-
-LOCAL_SRC_FILES := config.cpp ota_io.cpp
+LOCAL_SRC_FILES := ota_io.cpp
 LOCAL_MODULE_TAGS := eng
 LOCAL_MODULE := libotafault
 LOCAL_CLANG := true
-LOCAL_C_INCLUDES := bootable/recovery
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
-LOCAL_WHOLE_STATIC_LIBRARIES := $(otafault_static_libs)
+
+ifneq ($(TARGET_INJECT_FAULTS),)
+$(foreach ft,$(TARGET_INJECT_FAULTS),\
+	$(eval LOCAL_CFLAGS += -DTARGET_$(ft)_FAULT=$(TARGET_$(ft)_FAULT_FILE)))
+LOCAL_CFLAGS += -Wno-unused-parameter
+LOCAL_CFLAGS += -DTARGET_INJECT_FAULTS
+endif
+
+LOCAL_STATIC_LIBRARIES := libc
 
 include $(BUILD_STATIC_LIBRARY)
 
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES := config.cpp ota_io.cpp test.cpp
+LOCAL_SRC_FILES := ota_io.cpp test.cpp
 LOCAL_MODULE_TAGS := tests
 LOCAL_MODULE := otafault_test
-LOCAL_STATIC_LIBRARIES := $(otafault_static_libs)
-LOCAL_C_INCLUDES := bootable/recovery
+LOCAL_STATIC_LIBRARIES := libc
 LOCAL_FORCE_STATIC_EXECUTABLE := true
+LOCAL_CFLAGS += -Wno-unused-parameter -Wno-writable-strings
+
+ifneq ($(TARGET_INJECT_FAULTS),)
+$(foreach ft,$(TARGET_INJECT_FAULTS),\
+	$(eval LOCAL_CFLAGS += -DTARGET_$(ft)_FAULT=$(TARGET_$(ft)_FAULT_FILE)))
+LOCAL_CFLAGS += -DTARGET_INJECT_FAULTS
+endif
 
 include $(BUILD_EXECUTABLE)