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Install Alongside Ruby 1.8.x--Upgrading to Ruby 1.9.1


This step couldn't be any easier. Just run the make command. This will compile the Ruby interpreter, and could take a while. Some of the files, such as parse.c, are particularly large and take quite a while to compile. On an EeePC (1.6 GHz Intel Atom, 1GB RAM), compiling takes about half an hour.

$ make

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