Changing The Output File Name
Select Menu Run > Debug configurations from the top menu.
Main tab
Remote Absolute File Path for C/C++ Application: Set to the path where the application will be running on the Raspberry, e.g. /home/pi/projects/my_project.a (you can't use ${ProjName} or ${project_name} here)
New RPi IP Address
If your Raspberry Pi has a new IP address you need to update the following places with it.
In eclipse
Menu > Window > Show View > Other > Remote Systems > Remote Systems
You can then right click on the remote_rpi connection and select properties to change its IP address
Batch File
Edit the file "C:\eclipse\deployment_scripts\rpi_deploy_debug.bat"
RASPBERRYPI_ADDR