### Define Syscall Library

Source: https://github.com/zhanghai/materialfiles/blob/master/app/CMakeLists.txt

Configures the syscall shared library, linking it against the Android log library.

```cmake
find_library(LOG_LIBRARY log)
add_library(syscall SHARED
        src/main/jni/syscall.c)
target_compile_options(syscall
        PRIVATE
        -Wall
        -Werror)
target_link_libraries(syscall
        PRIVATE
        ${LOG_LIBRARY})
```

--------------------------------

### Define Hidden API Library

Source: https://github.com/zhanghai/materialfiles/blob/master/app/CMakeLists.txt

Configures the hiddenapi shared library with strict compiler warnings.

```cmake
cmake_minimum_required(VERSION 3.6)

project(MaterialFiles C)

add_library(hiddenapi SHARED
        src/main/jni/hiddenapi.c)
target_compile_options(hiddenapi
        PRIVATE
        -Wall
        -Werror)
```

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