Getting Errrors while building like: undefined reference to `google::protobuf::Message::SpaceUsed() const'

[$ag@r Takawane [B-08]]

Hi all,

I have compiled protobuf code(.cc generated by protoc), its
wrapper(.cc & c files) and made .a librabry..
while compiling i have provided prototypes of each refered function.
but while buiding executable linkable final outpu file I am facing
problem ....
getting lot of errors like undefined reference to
`google::protobuf::Message::SpaceUsed() const'...
undefined reference to `typeinfo for google::protobuf::Message'
undefined reference to
`google::protobuf::Message::DiscardUnknownFields()'
....
plz help me out....
thanks in advance.

[Christopher Head]

Did you include the output of "pkg-config --libs protobuf" in your
linker command line?

Chris