关于linux:protobuf版本冲突

####### add protobuf lib path #########(动静库搜寻门路) 程序加载运行期间查找动态链接库时指定除了零碎默认门路之外的其余门路export LD_LIBRARY_PATH=/home/user/local/protobuf/3.17.1/lib/:$LD_LIBRARY_PATH#(动态库搜寻门路) 程序编译期间查找动态链接库时指定查找共享库的门路export LIBRARY_PATH=/home/user/local/protobuf/3.17.1/lib/:$LIBRARY_PATH#执行程序搜寻门路export PATH=/home/user/local/protobuf/3.17.1/bin/:$PATH#c程序头文件搜寻门路export C_INCLUDE_PATH=$C_INCLUDE_PATH:/home/user/local/protobuf/3.17.1/include/google/protobuf/#c++程序头文件搜寻门路export CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:/home/user/local/protobuf/3.17.1/include/google/protobuf/#pkg-config 门路export PKG_CONFIG_PATH=/home/user/local/protobuf/3.17.1/lib/pkgconfig/