良い一日。他の人が取り組んでいるプロジェクトを立ち上げようとしています。
実行bundle install
するとエラーでクラッシュします
Installing bcrypt-ruby (3.0.1) with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/usr/bin/ruby1.9.1 extconf.rb
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError)
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from extconf.rb:36:in `<main>'
Gem files will remain installed in /home/halfros/.bundler/tmp/9279/gems/bcrypt-ruby-3.0.1 for inspection.
Results logged to /home/halfros/.bundler/tmp/9279/gems/bcrypt-ruby-3.0.1/ext/mri/gem_make.out
An error occurred while installing bcrypt-ruby (3.0.1), and Bundler cannot continue.
Make sure that `gem install bcrypt-ruby -v '3.0.1'` succeeds before bundling.
sudo gem install bcrypt-ruby -v '3.0.1'
$ sudo gem install bcrypt-ruby -v '3.0.1'
Building native extensions. This could take a while...
ERROR: Error installing bcrypt-ruby:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.9.1 extconf.rb
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError)
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from extconf.rb:36:in `<main>'
Gem files will remain installed in /var/lib/gems/1.9.1/gems/bcrypt-ruby-3.0.1 for inspection.
Results logged to /var/lib/gems/1.9.1/gems/bcrypt-ruby-3.0.1/ext/mri/gem_make.out
これを試しました-変更はありません。
http://rorguide.blogspot.com/2011/02/bundle-install-on-linux-giving-error.html