How to detect target architecture using CMake?

Question

I\'ve done a lot of research and been unable to find an answer to this... how can I reliably find the target architecture I\'m compiling for, using CMake? Basically, the equ

Answer 1

Android ${ANDROID_ABI}

The ${ANDROID_ABI} variable is the way to go in Android, where it assumes values like arm64-v8a, x86_64 and so on.

It is used on the official NDK library example: https://github.com/googlesamples/android-ndk/blob/840858984e1bb8a7fab37c1b7c571efbe7d6eb75/hello-libs/app/src/main/cpp/CMakeLists.txt#L25

I have further commented on that example at: NDK: How to include Prebuilt Shared Library Regardless of Architecture