Trying to install 1.9.3 using RVM.
Getting these errors in my make.log
make.log
compiling readline.c readline.c:1499:9: error: use of undeclared iden
I solved the problem. RVM wasn't recognizing the readline installed. Funny how readline manages to screw up so many people's installs.
This command points rvm toward the right readline location
rvm install 1.9.3 --with-gcc=clang --with-readline-dir=$rvm_path/usr