From: "Pascal A." Date: 2011-11-24T18:33:37+09:00 Subject: Re: 1.9.3 fails to install via rvm on OS X Lion I had what looks like the same problem last week. After updating the rvm and reading this SO answer: http://stackoverflow.com/questions/8032824/cant-install-ruby-under-lion-with-rvm-gcc-issues I ran the following from Terminal: $ rvm install 1.9.3 --with-gcc=clang Hope this works. Cheers Pascal -- Posted via http://www.ruby-forum.com/.