Impossible d'installer json gem 1.8.6 - Echec de la construction d'une extension native gem sur Ubuntu - ruby-on-rails, json, ruby, ubuntu, bundler

Bundler sur Ubuntu 16.04 génère l'erreur suivante lors de la tentative d'installation de JSON.

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

current directory: /tmp/bundler20170601-12986-10dsu07json-1.8.6/gems/json-1.8.6/ext/json/ext/generator
/usr/bin/ruby2.3 -r ./siteconf20170601-12986-op73sp.rb extconf.rb
mkmf.rb can"t find header files for ruby at /usr/lib/ruby/include/ruby.h

extconf failed, exit code 1

Gem files will remain installed in /tmp/bundler20170601-12986-10dsu07json-1.8.6/gems/json-1.8.6 for inspection.
Results logged to /tmp/bundler20170601-12986-10dsu07json-1.8.6/extensions/x86_64-linux/2.3.0/json-1.8.6/gem_make.out

An error occurred while installing json (1.8.6), and Bundler cannot continue.
Make sure that `gem install json -v "1.8.6"` succeeds before bundling.

In Gemfile:
react-rails was resolved to 1.7.2, which depends on
rails was resolved to 4.2.7.1, which depends on
actionmailer was resolved to 4.2.7.1, which depends on
actionpack was resolved to 4.2.7.1, which depends on
actionview was resolved to 4.2.7.1, which depends on
rails-dom-testing was resolved to 1.0.8, which depends on
rails-deprecated_sanitizer was resolved to 1.0.3, which depends on
activesupport was resolved to 4.2.7.1, which depends on
json

Il semble que les extensions de gem ne puissent pas être compilées à cause du manque de fichiers d'en-tête. Que puis-je faire?

Réponses:

Il semble qu'il y ait problème similaire sur RedHat 7.

Dans le cas d'Ubuntu, la solution semble s'installer ruby-dev paquet.

sudo apt-get install ruby-dev