akshay@akshay-laptop:~$ rvm install 1.9.3
Installing Ruby from source to: /home/akshay/.rvm/rubies/ruby-1.9.3-p125, this may take a while depending on your cpu(s)...

ruby-1.9.3-p125 - #fetching
ruby-1.9.3-p125 - #extracted to /home/akshay/.rvm/src/ruby-1.9.3-p125 (already extracted)
Applying patch 'xcode-debugopt-fix-r34840' (located at /home/akshay/.rvm/patches/ruby/1.9.3/p125/xcode-debugopt-fix-r34840.diff)
Error running 'patch -F 25 -p1 -N -f <"/home/akshay/.rvm/patches/ruby/1.9.3/p125/xcode-debugopt-fix-r34840.diff"', please read /home/akshay/.rvm/log/ruby-1.9.3-p125/patch.apply.xcode-debugopt-fix-r34840.log
rvm requires autoreconf to install the selected ruby interpreter however autoreconf was not found in the PATH.
ls: cannot access /home/akshay/.rvm/rubies/*/bin/ruby: No such file or directory
akshay@akshay-laptop:~$