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I'm trying to use Android NDK and JNI to call a C++ function from Kotlin in my Android Studio project.

Here's my Android project structure:

myproject/app/src/main  
└───java
│   │
│   └───com.example.myproject
│       │   MainActivity.kt
└───cpp
|   │   native-lib.cpp
|   │   CMakeLists.txt
|   │
|   └───mylib
|       │   Number.hpp
|       |   Number.cpp
└───jniLibs
    │   libmylib.so
Notice, I've already built this program into libmylib.so, and saved it to src/main/jniLibs. I want to use this built library, rather than Number.cpp directly.
My CMakeLists.txt file looks like this:
cmake_minimum_required(VERSION 3.10.2)
project("myproject")
add_library(myproject SHARED native-lib.cpp)
add_library(MYLIB SHARED IMPORTED)
set_target_properties(MYLIB PROPERTIES IMPORTED_LOCATION jniLibs/libmylib.so)
target_link_libraries(myproject MYLIB)
Yet I get this error when building:
C/C++: ld: error: jniLibs/libmylib.so is incompatible with armelf_linux_eabi
How can I get cmake to properly link the library to my project?
                Your use of ${MYLIB} looks weird. That's something you might use e.g. if you've used find_library which places the result in a variable. Have you tried just writing target_link_libraries(myproject MYLIB) instead?
– Michael
                Mar 8, 2022 at 6:45
                Was libnavtoolkit.so also built with the Android SDK? Is it built for the same ABI that you're trying to build myproject for?
– Michael
                Mar 8, 2022 at 15:34
                It was cross-built in a meson project using the Android NDK 23b linux-x86_64 compilers for aarch64-linux-android SDK 28
– Daniel C Jacobs
                Mar 8, 2022 at 15:54
The linker error suggests that you are building myproject for a different ABI than the one that libmylib.so was built for.
You can tell Gradle to only build your native code for one or more specific ABI(s) by adding an ABI filter:
android {
    defaultConfig {
        ndk {
            abiFilters 'arm64-v8a'
    ... other stuff ...
        
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