namespace caffe {
    ...
        int glb_layer_id;
        template <typename Dtype>
        Net<Dtype> glb_Net;

        template <typename Dtype>
        void Net<Dtype>::Init(const NetParameter& in_param) {
            ...
        }

ckim@stph45:~/Neuro/py-faster-rcnn.org] !make
make -C caffe-fast-rcnn/
make: Entering directory `/home/ckim/Neuro/py-faster-rcnn.org/caffe-fast-rcnn'
CXX src/caffe/net.cpp
src/caffe/net.cpp:41: error: template declaration of 'caffe::Net<Dtype> caffe::glb_Net'
src/caffe/net.cpp: In member function 'void caffe::Net<Dtype>::Init(const caffe::NetParameter&)':
src/caffe/net.cpp:74: error: 'glb_Net' was not declared in this scope
make: *** [.build_debug/src/caffe/net.o] Error 1
make: Leaving directory `/home/ckim/Neuro/py-faster-rcnn.org/caffe-fast-rcnn'