installing ruby 1.9 on leopard 17. Jun 2008
Thanks to Caspar Florian Ebeling installing Ruby 1.9 on Mac OS 10.5 is now a breeze. Just install MacPorts if you haven’t already and then issue a
sudo port install ruby19
Now you can launch Ruby 1.9 with ruby1.9 and irb with irb1.9.
For the more adventurous souls among you here’s how to compile it by hand. To compile Ruby 1.9 you need Readline 5.2, therefore it will be installed if it isn’t already there. Commands with a trailing backslash are multiline statements. If you prefer to compile Readline 5.2 on Leopard by hand, you should have a look at this patch.
sudo port install readline
curl -O ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.0-0.tar.gz
tar xvfz ruby-1.9.0-0.tar.gz
cd ruby-1.9.0-0
./configure --prefix=`echo ~`/ruby19 --program-suffix=1.9 \
--with-readline-dir=/opt/local
make
make install
Now add ~/ruby19/bin to your PATH-variable (for example in ~/.bash_profile or ~/.bashrc)
export PATH=~/ruby19/bin:$PATH
To activate the changes just launch a new terminal window. Now you can launch Ruby 1.9 with ruby1.9 and irb with irb1.9.
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