Undefined reference to google::protobuf::Message

[FSet89]

I get the following errors while executing make -j4:

CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x15c8): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1610): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1620): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1668): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1678): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1718): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1728): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1798): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x17a8): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1878): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1888): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1930): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1940): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1a30): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1a40): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1aa0): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1ab0): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1c00): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1c10): undefined reference to google::protobuf::Message::InitializationErrorString() const' CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1c58): undefined reference to google::protobuf::Message::GetTypeName() const'
CMakeFiles/caffe2ncnn.dir/caffe.pb.cc.o:(.data.rel.ro+0x1c68): undefined reference to `google::protobuf::Message::InitializationErrorString() const'

[nidetaoge]

Face the same problem...

[quocnhat]

does anyone solve this? pls add some advice