The iso image contains binary packages to all the open source development utilities needed to build the geda suite. Nevertheless, it is advisable to stick with the native debian versions to avoid an inconsistent mix of packages. In april 2007 an install of the geda/gaf iso image 20070221 the following additional packages were necessary on a fresh debian/lenny box:
The debian package manager will expand this list significantly as required by the debian database of dependencies.