diff --git a/media/mediaserver/Android.mk b/media/mediaserver/Android.mk
index 2cec5d2..1738df8 100644
--- a/media/mediaserver/Android.mk
+++ b/media/mediaserver/Android.mk
@@ -5,6 +5,7 @@
 LOCAL_SRC_FILES := register.cpp
 LOCAL_MODULE := libregistermsext
 LOCAL_MODULE_TAGS := optional
+LOCAL_CFLAGS := -Werror -Wall
 include $(BUILD_STATIC_LIBRARY)
 endif
 
@@ -39,4 +40,6 @@
 
 LOCAL_INIT_RC := mediaserver.rc
 
+LOCAL_CFLAGS := -Werror -Wall
+
 include $(BUILD_EXECUTABLE)
diff --git a/radio/Android.mk b/radio/Android.mk
index ecbb8fd..0377328 100644
--- a/radio/Android.mk
+++ b/radio/Android.mk
@@ -36,4 +36,6 @@
 
 LOCAL_MODULE:= libradio
 
+LOCAL_CFLAGS := -Werror -Wall
+
 include $(BUILD_SHARED_LIBRARY)
diff --git a/soundtrigger/Android.mk b/soundtrigger/Android.mk
index d91c4c2..c794cc1 100644
--- a/soundtrigger/Android.mk
+++ b/soundtrigger/Android.mk
@@ -35,4 +35,6 @@
 
 LOCAL_MODULE:= libsoundtrigger
 
+LOCAL_CFLAGS := -Werror -Wall
+
 include $(BUILD_SHARED_LIBRARY)
diff --git a/tools/resampler_tools/Android.mk b/tools/resampler_tools/Android.mk
index b58e4cd..bba5199 100644
--- a/tools/resampler_tools/Android.mk
+++ b/tools/resampler_tools/Android.mk
@@ -12,6 +12,6 @@
 
 LOCAL_MODULE := fir
 
+LOCAL_CFLAGS := -Werror -Wall
+
 include $(BUILD_HOST_EXECUTABLE)
-
-