I am trying this command to build the ruby interpreter ./configure and then make test it is showing me 900 failed 1 and when i am typing.. autoconf it is showing-- configure.in:4: error: Autoconf version 2.60 or higher is required configure.in:4: the top level autom4te: /usr/bin/m4 failed with exit status: 63 What should i do??... -- Posted via http://www.ruby-forum.com/.