分享一个项目的CMake配置，或许给你的项目配置提供参考：

源码目录

其中，除了include文件夹只包含头文件，其他文件夹都包含c文件和头文件：

CMakeList.txt配置

# For more information about using CMake with Android Studio, read the
# documentation: https://d.android.com/studio/projects/add-native-code.html

# Sets the minimum version of CMake required to build the native library.

cmake_minimum_required(VERSION 3.22.1)

project("security")

file(GLOB_RECURSE SRC_LIST *.cpp *.c)

add_library( # Sets the name of the library.
        security

        # Sets the library as a shared library.
        SHARED

        # Provides a relative path to your source file(s).
        nativelib.cpp
        ${SRC_LIST}
        )

target_include_directories(security
        PUBLIC
        ksnet/ext_crypt
        ksnet/include
        ksnet/ks_crypt
        ksnet/rsarefc
        ksnet/source)

find_library( # Sets the name of the path variable.
        log-lib

        # Specifies the name of the NDK library that
        # you want CMake to locate.
        log)

target_link_libraries( # Specifies the target library.
        security

        # Links the target library to the log library
        # included in the NDK.
        ${log-lib})

例子提供参考。