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I've successfully installed rbenv (along with the build tools) on my Ubuntu 14.04 desktop, and that appears to be working fine, but as soon as I try to install ruby 2.1.1, the build fails:
daniel@grape:~$ rbenv install 2.1.1 Downloading yaml-0.1.6.tar.gz... -> http://dqw8nmjcqpjn7.cloudfront.net/5fe00cda18ca5daeb43762b80c38e06e Installing yaml-0.1.6... Installed yaml-0.1.6 to /home/daniel/.rbenv/versions/2.1.1 Downloading ruby-2.1.1.tar.gz... -> http://dqw8nmjcqpjn7.cloudfront.net/e57fdbb8ed56e70c43f39c79da1654b2 Installing ruby-2.1.1... BUILD FAILED Inspect or clean up the working tree at /tmp/ruby-build.20140418142258.3543 Results logged to /tmp/ruby-build.20140418142258.3543.log Last 10 log lines: installing default ripper libraries compiling ossl_pkcs7.c compiling ossl_ssl.c installing default openssl libraries linking shared-object openssl.so make[2]: Leaving directory `/tmp/ruby-build.20140418142258.3543/ruby-2.1.1/ext/openssl' linking shared-object ripper.so make[2]: Leaving directory `/tmp/ruby-build.20140418142258.3543/ruby-2.1.1/ext/ripper' make[1]: Leaving directory `/tmp/ruby-build.20140418142258.3543/ruby-2.1.1' make: *** [build-ext] Error 2 The contents of the log file can be found here: http://pastebin.com/SXxTeCJY
I've done some searching for help with this issue, including following what is said here: https://github.com/sstephenson/ruby-build/wiki - but I've not had any joy.
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To update ruby-build simply cd into the folder with cd ~/. rbenv/plugins/ruby-build and pull the latest version by running git pull . Once the pull request is complete, you should be able to run rbenv install -l and see a list of the latest Ruby versions available for you to install.
rbenv is included in all installations of Bitnami Ruby stack that use system packages. It is a command-line tool which allows you to easily install, manage, and work with multiple Ruby environments. Every installed Ruby interpreter using rbenv is isolated in its own directory with its libraries and gems.
rbenv is a tool that lets you install and run multiple versions of Ruby side-by-side. It's a simple, lightweight alternative to RVM that focuses solely on managing multiple Ruby environments. Each version of Ruby is installed in the ~/. rbenv/versions directory.
Same thing here running rbenv install 2.1. 9 , it took 5-6 minutes to finish.
UPDATE: Use Ruby 2.1.2, it fixes this issue.
14.04 is probably shipping with readline 6.3, which uses rl_hook_func_t instead of Function.
This bug has already been reported and fixed in Ruby (https://bugs.ruby-lang.org/issues/9578), but not released yet.
Until Ruby 2.1.2 comes out (which I assume will contain this fix), you can use a patch to properly support the new rl_hook_func_t method. Use this to install Ruby 2.1.1:
curl -fsSL https://gist.github.com/mislav/a18b9d7f0dc5b9efc162.txt | rbenv install --patch 2.1.1 (Source: http://gorails.com/setup/ubuntu/14.04)
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