rosserial dependency error [closed]

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Hello all, I am trying to connect Arduino UNO board with my PC. While following the instructions given in this link link text I got this error in the second step of installing dependencies for rosserial_arduino package.

Failed to find rosdep gcc-avr for package rosserial_arduino on OS:ubuntu version:oneiric rosdep install ERROR: failed to install gcc-avr

But when i tried to install gcc-avr using sudo apt-get install gcc-avr i got the message

Reading package lists... Done Building dependency tree Reading state information... Done gcc-avr is already the newest version.

How to link the ROS and gcc-avr installed in the system.

Please help me to fix this problem.