Hmm, those functions are defined in libprotobuf.a. Can you double check if 
the protobuf library is found by cmake? Probably ask the question on cmake 
support forum as well.

On Monday, October 2, 2017 at 2:33:04 AM UTC-7, Andy wrote:
>
> Compilation CMake give me errors:
> ...
> /usr/src/hbase/hbase-native-client/fastnative/../libs/libif.a(ClusterStatus.pb.cc.o):(.rodata._ZTVN5hbase2pb18RegionInTransitionE[_ZTVN5hbase2pb18RegionInTransitionE]+0x60):
>  
> undefined reference to 
> `google::protobuf::Message::CheckTypeAndMergeFrom(google::protobuf::MessageLite
>  
> const&)'
> /usr/src/hbase/hbase-native-client/fastnative/../libs/libif.a(ClusterStatus.pb.cc.o):(.rodata._ZTVN5hbase2pb18RegionInTransitionE[_ZTVN5hbase2pb18RegionInTransitionE]+0xa8):
>  
> undefined reference to `google::protobuf::Message::DiscardUnknownFields()'
> /usr/src/hbase/hbase-native-client/fastnative/../libs/libif.a(ClusterStatus.pb.cc.o):(.rodata._ZTVN5hbase2pb18RegionInTransitionE[_ZTVN5hbase2pb18RegionInTransitionE]+0xb0):
>  
> undefined reference to `google::protobuf::Message::SpaceUsed() const
> ....
> I add libprotobuf.a (or protobuf) to CMake's target_link_libraries:
> add_executable(fastnative ${SOURCE_FILES})
>
> target_link_libraries(fastnative
>             double-conversion
>             boost_regex
>             boost_context
>             boost_thread
>             boost_system
>             boost_filesystem
>             boost_program_options
>             boost_chrono
>             gflags
>             glog
>             libprotobuf.a
>             libfolly.a
>             wangle
>             pthread
>             client
>             conf
>             connection
>             if
>             )
>
>

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