https://developer.android.google.cn/studio/projects/configure-cmake
https://blog.csdn.net/songmingzhan/article/details/80720903
# Sets the minimum version of CMake required to build the native # library. You should either keep the default value or only pass a # value of 3.4.0 or lower. cmake_minimum_required(VERSION 3.4.1) # Creates and names a library, sets it as either STATIC # or SHARED, and provides the relative paths to its source code. # You can define multiple libraries, and CMake builds it for you. # Gradle automatically packages shared libraries with your APK. add_library(samba_client SHARED src/main/cpp/jni_helper/JniHelper.cc src/main/cpp/jni_helper/JavaClassCache.cc src/main/cpp/samba_client/SambaClient.cc src/main/cpp/credential_cache/CredentialCache.cc ) include_directories(src/main/cpp) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x -O2 -D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIE") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -pie") # Searches for a specified prebuilt library and stores the path as a # variable. Because system libraries are included in the search path by # default, you only need to specify the name of the public NDK library # you want to add. CMake verifies that the library exists before # completing its build. 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 ) # Specifies libraries CMake should link to your target library. You # can link multiple libraries, such as libraries you define in the # build script, prebuilt third-party libraries, or system libraries. #set(libfolder "${CMAKE_SOURCE_DIR}/src/main/jniLibs/${ANDROID_ABI}") set(libfolder "${CMAKE_SOURCE_DIR}/libs/${ANDROID_ABI}") add_library(libsmbclient SHARED IMPORTED) set_target_properties(libsmbclient PROPERTIES IMPORTED_LOCATION ${libfolder}/libsmbclient.so) target_link_libraries(samba_client ${log-lib} libsmbclient)