1. Download Eclipse Classic IDE.
In order to run eclipse java runtime should be installed. There are both 32 and 64 bit versions of JRE and Eclipse. Choose them depending on the OS that you use. Extract the archive.
2. Download cusp plugin depending on the OS and extract it.
The folder structure is as below for windows version
cusp_win32
\-- features
\-- plugins
4. Copy the contents inside the
features
and plugins
folder of the cusp_win32
to the corresponding features
and plugins
folder which is present inside the eclipse-SDK-3.5-win32\eclipse
folder.Now open the eclipse IDE and under the window->Open Prespective->other... we will see Lisp. Choose it, and now we have a full blown Lisp IDE.