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POWhat are the dependencies given on "rvm requirements" useful for?
 

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  1. POWhat are the dependencies given on "rvm requirements" useful for?
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    <p>Why does RVM, Ruby or Rails need <code>libc6-dev, ncurses-dev and libtool</code> ?</p> <p>on Ubuntu running <code>rvm requirements</code> gives us:</p> <blockquote> <p>Requirements for Linux ( DISTRIB_ID=Ubuntu<br> DISTRIB_RELEASE=10.10<br> DISTRIB_CODENAME=maverick<br> DISTRIB_DESCRIPTION="Ubuntu 10.10" )</p> <p>NOTE: 'ruby' represents Matz's Ruby Interpreter (MRI) (1.8.X, 1.9.X)<br> This is the <em>original</em> / standard Ruby Language Interpreter<br> 'ree' represents Ruby Enterprise Edition<br> 'rbx' represents Rubinius </p> <p>bash >= 4.1 required<br> curl is required<br> git is required (>= 1.7 for ruby-head)<br> patch is required (for 1.8 rubies and some ruby-head's). </p> <p>To install rbx and/or Ruby 1.9 head (MRI) (eg. 1.9.2-head), then you<br> must install and use rvm 1.8.7 first. </p> <p>Additional Dependencies:<br> # For Ruby / Ruby HEAD (MRI, Rubinius, &amp; REE), install the following:<br> ruby: /usr/bin/apt-get install build-essential openssl libreadline6<br> libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison subversion pkg-config</p> <p># For JRuby, install the following:<br> jruby: /usr/bin/apt-get install curl g++ openjdk-6-jre-headless<br> jruby-head: /usr/bin/apt-get install ant openjdk-6-jdk</p> <p># For IronRuby, install the following:<br> ironruby: /usr/bin/apt-get install curl mono-2.0-devel</p> </blockquote> <p>Why does RVM, Ruby or Rails need <code>libc6-dev, ncurses-dev and libtool</code> ?</p> <p>For the other packages, as far as i can make out: </p> <p><code>build-essential automake bison autoconf pkg-config</code> is useful for compiling from source<br> <code>libreadline6 libreadline6-dev</code> is needed for irb's readline support<br> <code>openssl libssl-dev</code> is required for ruby's SSL support<br> <code>curl git-core subversion</code> is required for fetching software<br> <code>zlib1g zlib1g-dev</code> is required for unpacking rubygems<br> <code>libyaml-dev</code> is required for ruby's YAML support<br> <code>libsqlite3-dev sqlite3</code> is required for sqlite support for rails<br> <code>libxml2-dev libxslt-dev</code> is required for parsing XML via nokogiri </p> <p>Want to know why RVM added them in the first place?<br> What well known libraries will break if any of these packages are not installed?<br> Which of these packages are necessary for ruby itself to be installed and which of them are needed for a stdlib ie. yaml or rexml ?</p> <p>EDIT: forgot pkg-config<br> EDIT: added some more questions at the end</p>
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    1. COtotally unrelated, but maverick has been EOL for some time now. You may wanna upgrade at some point.
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