NDK undeclared identifiers

When running a package build or launch to Gear VR I’m getting a list of undeclared identifiers from the NDK. I’m using SDK version android-25, NDK version android-19 installed from AndroidWorks 1R7u1 on Windows. I’ve tried installing newer and older versions of Android Works changing Unreal settings and Environment variables each time, and coming up with the same result.
Here is my output log:

Here is the Android SDK settings:

269285-sdksettings.jpg

And here is the Android Platforms settings: