"./libns3.19.rc2-openflow-debug.so: undefined reference to" error

[Sakshi]

I created the a class with static member in an header file. I am getting the following error.

./libns3.19.rc2-openflow-debug.so: undefined reference to `ns3::packettobuffer::m_packettobuffer'
collect2: ld returned 1 exit status
./libns3.19.rc2-openflow-debug.so: undefined reference to `ns3::packettobuffer::m_packettobuffer'
collect2: ld returned 1 exit status

Pl. reply.

Thank you,

[Tom Henderson]

Typically this occurs when one neglects to define the member somewhere
after the class definition. Is m_packettobuffer defined somewhere in
the .cc file?

e.g. an example can be found in line 63 of
http://code.nsnam.org/ns-3-dev/file/1c733dcc50b2/src/internet/model/tcp-l4-protocol.cc

- Tom

[sakshi chourasia]

Thanks Tom. Now it is working.

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Regards,

Sakshi Chourasia,

MS Scholar,

Department of CSE,

IIT Madras.

[Hajar Hantouti]

Hello,

I'am having similar error with my static struct variable.

how I'm I expected to define it in the .cc file ?
does it need to be initialized ?
 I only use it in a function like that:

Myclass::m_struct_var.push_back(data);

Cordially,
Hajar