GRPC 安装

git clone --recurse-submodules  https://github.com/grpc/grpc

mkdir -p /opt/grpc

cd grpc
mkdir -p cmake/build
pushd cmake/build
cmake -DgRPC_INSTALL=ON 
      -DgRPC_BUILD_TESTS=OFF 
      -DCMAKE_INSTALL_PREFIX=/opt/grpc 
	  -DBUILD_SHARED_LIBS=ON   
      ../..
make -j
make install
popd

DCMAKE_INSTALL_PREFIX=/opt/grpc: 安装路径
DBUILD_SHARED_LIBS=ON： 生产动态库

cd examples/cpp/helloworld

mkdir -p cmake/build
pushd cmake/build
cmake -DCMAKE_PREFIX_PATH=./  ../..
make -j

cd examples/cpp/helloworld/cmake/build
./greeter_server

cd examples/cpp/helloworld/cmake/build
./greeter_client

输出：
Greeter received: Hello world

• https://grpc.io/docs/languages/cpp/quickstart/
• helloworld https://github.com/grpc/grpc