无法安装gem Gosu Ubuntu

Question

我正在尝试在我的Ubuntu电脑上安装Gosu。为了安装gem，我尝试了"gem install gosu“，但是我收到了一条错误消息，我搞不清楚。它说它“未能构建gem本地扩展”。

有人知道我能做什么吗？我对Ruby比较陌生，所以它可能需要与RVM有关。我不确定。

以下是完整的错误消息：

Fetching: gosu-0.8.6.gem (100%)
Building native extensions.  This could take a while...
ERROR:  Error installing gosu:
ERROR: Failed to build gem native extension.

/usr/bin/ruby1.9.1 extconf.rb
The Gosu gem requires some libraries to be installed system-wide.
See the following site for a list:
/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:63:in `<main>'
https://github.com/jlnr/gosu/wiki/Getting-Started-on-Linux

Gem files will remain installed in /var/lib/gems/1.9.1/gems/gosu-0.8.6 for inspection.
Results logged to /var/lib/gems/1.9.1/gems/gosu-0.8.6/ext/gosu/gem_make.out

Answer 1

执行此操作

步骤1：

sudo apt-get install build-essential libsdl2-dev libsdl2-ttf-dev libpango1.0-dev \
                 libgl1-mesa-dev libopenal-dev libsndfile-dev libmpg123-dev

Step2：

sudo apt-get install ruby-dev

第3步：

gem install gosu