lua_header_installed=`apt-cache policy liblua5.3-dev|grep Installed|grep none > /dev/null; echo $?` if [ "$lua_header_installed" = "0" ]; then echo "If need, please input root password to install liblua5.3-dev for build the connector.." sudo apt install -y liblua5.3-dev fi gcc -std=c99 lua_connector.c -fPIC -shared -o luaconnector.so -Wall -ltaos -I/usr/include/lua5.3