diff --git a/src/Common/Version.h b/src/Common/Version.h
index f73a7e9..1747820 100644
--- a/src/Common/Version.h
+++ b/src/Common/Version.h
@@ -15,7 +15,7 @@
 #define MAJOR_VERSION 4
 #define MINOR_VERSION 0
 #define BUILD_VERSION 0
-#define BUILD_REVISION 1
+#define BUILD_REVISION 2
 
 #define STRINGIFY(x) #x
 #define MACRO_STRINGIFY(x) STRINGIFY(x)
diff --git a/src/Reactor/Android.mk b/src/Reactor/Android.mk
index 9944185..fa90a1a 100644
--- a/src/Reactor/Android.mk
+++ b/src/Reactor/Android.mk
@@ -108,7 +108,7 @@
 
 LOCAL_CPPFLAGS := -std=c++11
 
-LOCAL_CFLAGS +=
+LOCAL_CFLAGS += \
 	-DLOG_TAG=\"libsubzero\" \
 	-Wall \
 	-Werror \
@@ -117,7 +117,8 @@
 	-Wno-unused-parameter \
 	-Wno-implicit-exception-spec-mismatch \
 	-Wno-overloaded-virtual \
-	-Wno-non-virtual-dtor
+	-Wno-non-virtual-dtor \
+	-Wno-unknown-warning-option
 
 ifneq (16,${PLATFORM_SDK_VERSION})
 LOCAL_CFLAGS += -Xclang -fuse-init-array