Just a quick tips for all folks out there that are getting mad on this 
Problem: if you are trying to install JINI in Gentoo Linux, after you downloaded the installer starter kit you may start it and find errors like this:
grep: error while loading shared libraries: libc.so.6: cannot open shared object file: No such file or directory
This seems to happen if you have compiled your glibc libraries with nptl and nptlonly USE flags. You will be unable to install JINI (and I have read that this problem could happen to other java installers. But there is an easy solution for this! Read it all..
