Also specify CMAKE_MSVC_RUNTIME_LIBRARY for sub-build.
Also specify CMAKE_MSVC_RUNTIME_LIBRARY for sub-build.

firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk