The content described as below is reference android-source-root/development/tools/eclipse/README_WINDOWS.txt
1- To build the Eclipse plugin:
Note. destination-directory need a absolute path
This will create an "android-eclipse.zip" in the selected destination directory.
Then in Eclipse, you can use Help > Software Updates > Available Software > Archive > select the new android-eclipse.zip. Then with the new archive checked, click Install.
if you see the result shown as below that means build failed.
Please issue the command shown as below according to the prompt above to fix the problem.
Note. In that way, the tools/eclipse/scripts/build_server.sh will download another eclipse into /buildbot/eclipse-android except you have set the ECLIPSE_HOME.
Please window > preferences > select the sdk (path: android-device-source/out/host/linux-x86/sdk/android-sdk_eng.funkie_linux-x86) to set the android-sdk after finish build ADT.