No ruby-llvm 3.3.0.alpha about crystal HOT 3 CLOSED

sudo sh -c 'echo "deb http://llvm.org/apt/precise/ llvm-toolchain-precise main" > /etc/apt/sources.list.d/llvm.list'
sudo sh -c 'wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key | apt-key add -'
sudo apt-get update 
sudo apt-get install llvm-3.3 libpcre3-dev libunwind7-dev llvm-3.3-dev
rvm use 1.9.3
bundle 

$ sudo apt-get install llvm-3.3 libpcre3-dev libunwind7-dev llvm-3.3-dev
The following packages have unmet dependencies:
 llvm-3.3 : Depends: llvm-3.3-runtime (= 1:3.3~svn181304-1~exp1) but it is not going to be installed
            Depends: libc6 (>= 2.15) but 2.13-38 is to be installed
            Depends: libllvm3.3 but it is not going to be installed
 llvm-3.3-dev : Depends: libc6 (>= 2.14) but 2.13-38 is to be installed
                Depends: libcloog-isl3 but it is not going to be installed
                Depends: libisl10 (>= 0.11) but it is not going to be installed
                Depends: libllvm3.3 but it is not going to be installed