libcaffe.so: undefined reference

[針島マナ]

Hi,

I have some problems building caffe when "make all".

Ubuntu 16.04 

gcc 4.8.5

.build_release/lib/libcaffe.so: undefined reference to `google::base::CheckOpMessageBuilder::NewString()'

.build_release/lib/libcaffe.so: undefined reference to `cv::imread(std::string const&, int)'

.build_release/lib/libcaffe.so: undefined reference to `leveldb::DB::Open(leveldb::Options const&, std::string const&, leveldb::DB**)'

.build_release/lib/libcaffe.so: undefined reference to `cv::imencode(std::string const&, cv::_InputArray const&, std::vector<unsigned char, std::allocator<unsigned char> >&, std::vector<int, std::allocator<int> > const&)'

.build_release/lib/libcaffe.so: undefined reference to `leveldb::Status::ToString() const'

collect2: error: ld returned 1 exit status

Makefile:609: recipe for target '.build_release/tools/upgrade_net_proto_binary.bin' failed

make: *** [.build_release/tools/upgrade_net_proto_binary.bin] Error 1

How can I solve it?

[Dennis Mungai]

Hello there,

You seem to be missing some dependencies, particularly protobuf and OpenCV dev packages.

Fix that first then proceed.

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