Installing Ruby 1.9.x from source on Linux ( Debian/Ubuntu and RHEL/CentOS )

compile-ruby-1.9.x-on-linux.sh

# Note: This script show how to compile ruby-1.9.2-p290. It can also be used for 1.9.3-p0 or higher versions.

#
# Dependencies
#


# Debian and derivatives:
# aptitude install build-essential libssl-dev libcurl4-openssl-dev libreadline5-dev zlib1g-dev libxslt1-dev libxml2-dev

# RHEL and derivatives:
# yum install -y gcc-c++ patch readline readline-devel zlib zlib-devel libyaml-devel libffi-devel openssl-devel make bzip2 autoconf automake libtool bison iconv-devel 
## NOTE: For centos >= 5.4 iconv-devel is provided by glibc

cd /usr/src
wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p290.tar.bz2
tar xjf ruby-1.9.2-p290.tar.bz2
cd ruby-1.9.2-p290
./configure --enable-shared
make install

cd ext/openssl/
ruby extconf.rb
make install

cd ../readline/
ruby extconf.rb
make install

gem update --system