Installing Ruby from source to: /Users/pepe/.rvm/rubies/ruby-1.8.7-p249
/Users/pepe/.rvm/src/ruby-1.8.7-p249 has already been extracted.
Running autoconf
Error running 'autoconf', please check /Users/pepe/.rvm/log/ruby-1.8.7-p249/autoconf*.log
Skipping configure step, 'configure' does not exist, did autoconf not run successfully?
Compiling ruby-1.8.7-p249, this may take a while, depending on your cpu(s)...
Error running 'make ', please check /Users/pepe/.rvm/log/ruby-1.8.7-p249/make*.log
There has been an error while running make. Aborting the installation.