Disable warnings

Bug: 37428404
Test: mmm external/dtc
Change-Id: I5fd964f3639c8fa1f864617f2a90337c55ad8fa1
diff --git a/Android.mk b/Android.mk
index 0fad195..ee3590e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -3,6 +3,10 @@
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
+LOCAL_CFLAGS := \
+  -Wno-sign-compare \
+  -Wno-missing-field-initializers \
+  -Wno-unused-parameter
 LOCAL_SRC_FILES := \
   checks.c \
   data.c \
diff --git a/libfdt/Android.mk b/libfdt/Android.mk
index bca674e..a4fff1e 100644
--- a/libfdt/Android.mk
+++ b/libfdt/Android.mk
@@ -15,7 +15,7 @@
 
 include $(CLEAR_VARS)
 
-LOCAL_CFLAGS := -Wno-macro-redefined
+LOCAL_CFLAGS := -Wno-macro-redefined -Wno-sign-compare
 LOCAL_SRC_FILES := $(common_src_files)
 LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
 LOCAL_MODULE := libfdt
@@ -27,7 +27,7 @@
 
 include $(CLEAR_VARS)
 
-LOCAL_CFLAGS := -Wno-macro-redefined
+LOCAL_CFLAGS := -Wno-macro-redefined -Wno-sign-compare
 LOCAL_SRC_FILES := $(common_src_files)
 LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
 LOCAL_MODULE := libfdt