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ruby-build is a tool that downloads and compiles various versions of Ruby. It is exposed as rbenv install through rbenv or simply as ruby-build when used standalone. Updating ruby-build Troubleshooting Writing custom build definitions Suggested build environment ruby-build will try its best to download and compile the wanted Ruby version, but sometimes compilation fails because of unmet system dep

[harigel]

“Ubuntu/Debian: apt-get install autoconf bison build-essential libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev libgdbm3 libgdbm-dev ”

[WhatAmILookingFor]

CentOS/Fedora: yum install -y gcc openssl-devel libyaml-devel libffi-devel readline-devel zlib-devel gdbm-devel ncurses-devel

[pentiumx]

“brew tap homebrew/dupes && brew install apple-gcc42”

[labocho]

ruby の dependencies / ruby build install openssl readline

[iga_k]

Mavericks で native extention build error が出たら "xcode-select --install" を試す。

[HolyGrail]

"xcode-select --install"