交叉编译Paho MQTT C库

1:

2:直接配置编译

cd /home/lxh/paho.mqtt.c-1.3.15/build-arm
cmake -DCMAKE_C_COMPILER=arm-linux-gnueabihf-gcc \
      -DCMAKE_CXX_COMPILER=arm-linux-gnueabihf-g++ \
      -DPAHO_WITH_SSL=TRUE \
      -DPAHO_BUILD_STATIC=TRUE \
      -DPAHO_BUILD_SHARED=FALSE \
      -DOPENSSL_ROOT_DIR=/home/lxh/arm-libs/install \
      -DCMAKE_INSTALL_PREFIX=/home/lxh/arm-libs/install \
      ..

3 编译和安装

# 编译
make -j4

安装
make install