The OpenOffice.org SDK is an add-on for the OpenOffice.org office suite. It provides the necessary tools and documentation for programming the OpenOffice.org APIs and creating own extensions (UNO components) for OpenOffice.org.
This SDK can be downloaded here http://download.openoffice.org/other.html#tested-sdk.
After downloading the SDK from the above link, we will get an ooobasis3.2-sdk_3.2.1-9502_i386.deb file, double click on that file and install it.