下载mosqiitto源码，以mosquitto-1.5.9为例

mosquitto官方地址下载mosquitto-1.5.9.tar.gz
解压tar -zxvf mosquitto-1.5.9.tar.gz

下载NDK交叉编译链

下载链接android-ndk-r16b-linux-x86_64.zip
解压unzip android-ndk-r16b-linux-x86_64.zip

编译准备

如下mosquitto_android_cmake.sh编译脚本放入mosquitto-1.5.9目录

#!/bin/bash
CURRENT_DIR=$(dirname $(readlink -f $0))

rm -rf ./build
mkdir -p build

ANDROID_ABI="armeabi-v7a"
ANDROID_NDK="/home/kaober/disk4T1/raojun/android-ndk-r16b"
cmake \
   -DANDROID_NDK=${ANDROID_NDK} \
   -DANDROID_ABI=${ANDROID_ABI} \
   -DANDROID_NDK_HOST_X64="YES"  \
   -DANDROID_NATIVE_API_LEVEL=22 \
   -DANDROID_TOOLCHAIN_NAME="arm-linux-androideabi-4.9" \
   -DCMAKE_TOOLCHAIN_FILE="/home/kaober/disk4T1/raojun/android-ndk-r16b/build/cmake/android.toolchain.cmake" \
   -DWITH_TLS=OFF \
   -DWITH_THREADING=OFF \
   -H. -B./build

cd build
cmake --build .
cd ..

修改mosquitto-1.5.9目录下CMakeLists.txt

set (VERSION 1.5.9)
#add by kaober
add_compile_options(-fPIE)
add_compile_options(-fPIC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pie")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pie")
#add by kaober
......

运行脚本编译mosquitto_android_cmake.sh

build目录下生成如下目录

• client下面
  mosquitto_pub 发布测试程序
  mosquitto_sub 接受测试程序
• src下面
  mosquitto 服务器程序