Warnings when building with latest NDK 9b #10

Android NDK: WARNING: APP_PLATFORM android-9 is larger than android:minSdkVersion 4 in ./AndroidManifest.xml    
Android NDK: WARNING:jni/lua/Android.mk:lua: LOCAL_LDLIBS is always ignored for static libraries    
Android NDK: WARNING:jni/lua/Android.mk:lua: non-system libraries in linker flags: -ld    
Android NDK:     This is likely to result in incorrect builds. Try using LOCAL_STATIC_LIBRARIES    
Android NDK:     or LOCAL_SHARED_LIBRARIES instead to list the library dependencies of the    
Android NDK:     current module