The Icui18n/ICU-50 Library is Not Available at this time on the Some Linux Distros Repository so to Get Installed you will Need to Download and Install it from Source.

Prerequisites: make, gcc and gcc-c++ Packages

1. DownloadICU-50 Source Code

   cd /usr/src
   su
   mkdir icu
   cd icu
   svn export http://source.icu-project.org/repos/icu/icu/tags/release-50-1-1/

2. Installing ICU-50 Library

   cd release*/source
   ./configure
   make
   make install
   ln -s /usr/local/lib/libicui18n.so.50 /usr/lib
   ln -s /usr/local/lib/libicudata.so.50 /usr/lib
   ln -s /usr/local/lib/libicuuc.so.50 /usr/lib