In order to add the ESpec library, to an existing Eiffel project, you need to do the following:
1. Make sure that your project is compilable in Eiffel
2. Click on
“project settings”
3. Right click on “Groups” and select “Add library”
4. Enter “espec” as the name of the library and “$espec/espec.ecf” as the location
5. Recompile the project from scratch.