我想在ruby中安装restclient。我得到这些消息:无法安装restclient宝石
Building native extensions. This could take a while...
ERROR: Error installing rest-client:
ERROR: Failed to build gem native extension.
current directory: /var/lib/gems/2.3.0/gems/unf_ext-0.0.7.4/ext/unf_ext
/usr/bin/ruby2.3 -r ./siteconf20170427-2260-1nc7gtz.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 /var/lib/gems/2.3.0/gems/unf_ext-0.0.7.4 for inspection.
Results logged to /var/lib/gems/2.3.0/extensions/x86_64-linux/2.3.0/unf_ext-0.0.7.4/gem_make.out
我的终端命令是:sudo的创业板安装其他客户端
任何人可以帮助我吗?