Bundle deploy error

when i try to run the bundle deploy demo, I get the following error:
(base) ➜ bundle_deploy_r git:(depth_fix) ✗ g++ -std=c++14 runtime.cc model.o graph.json.cc params.bin.cc -shared -fPIC -I/home/tx/DL/tvm/include -I/home/tx/DL/tvm/3rdparty/dmlc-core/include -I/home/tx/DL/tvm/3rdparty/dlpack/include -o bundle.so
/usr/bin/ld: model.o: relocation R_X86_64_32S against `.rodata.cst16’ can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: 最后的链结失败: 输出不可表示的节
collect2: error: ld returned 1 exit status

my llvm version is 7.0.1