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將CMakeList 和編譯器g++對應

cmake_minimum_required(VERSION 3.4.1)//設置常量 set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -static-libstdc++")//設置查找link 庫的路徑 LINK_DIRECTORIES(${OpenCV_DIR}/native/libs/arm64-v8a) LINK_DIRECTORIES(${model_git_dir}) LINK_DIRECTORIES(${TensorFlow_DIR}/tensorflow/lite/delegates/gpu/gen-lib) LINK_DIRECTORIES(${TensorFlow_DIR}/tensorflow/lite/tools/make/gen/aarch64_armv8-a/lib)//設置查找頭文件的路徑 INCLUDE_DIRECTORIES(${OpenCV_DIR}/native/jni/include) INCLUDE_DIRECTORIES(${TensorFlow_DIR}) INCLUDE_DIRECTORIES(${flat_dir}) INCLUDE_DIRECTORIES(src/main/cpp)//設置build的library（名稱document_lib，share類型，源文件） add_library(document_lib SHAREDsrc/main/cpp/com_sogou_cameratest_ocr_DocumentExtract.csrc/main/cpp/ImageProcess.cppsrc/main/cpp/RD.cpp)//設置library 需要鏈接的第三方庫（系統的庫log，EGL，NDK里的庫 會在NDK路徑下查找 target_link_libraries( # Specifies the target library.document_lib# Links the target library to the log library# included in the NDK.opencv_java3tflite_gpu_glrdtensorflow-litezEGLGLESv3logmjnigraphics)//打第二個包 add_library(enhance_lib SHAREDsrc/main/cpp/com_sogou_cameratest_ocr_OcrEnhance.csrc/main/cpp/ImageProcess.cppsrc/main/cpp/RD.cpp)target_link_libraries( # Specifies the target library.enhance_lib# Links the target library to the log library# included in the NDK.opencv_java3tflite_gpu_glrdtensorflow-litezEGLGLESv3logmjnigraphics)

CMakeList在gradle中的配置

android {compileSdkVersion rootProject.ext.compileSdkVersionbuildToolsVersion rootProject.ext.buildToolsVersiondefaultConfig {minSdkVersion rootProject.ext.minSdkVersiontargetSdkVersion rootProject.ext.minSdkVersionversionCode 1versionName "1.0"ndk {moduleName "document_lib" //System.loadLibrary("JNITest")ldLibs "log"}testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"externalNativeBuild {cmake {cppFlags ""abiFilters 'arm64-v8a'}}}buildTypes {release {minifyEnabled false // fsdf?proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'}}externalNativeBuild {cmake {path 'CMakeLists.txt'}}sourceSets {main {jniLibs.srcDirs = ['libs']}} }

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